| 1 |
|
| 2 | |
| 3 | * fs/f2fs/f2fs.h
|
| 4 | *
|
| 5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd.
|
| 6 | * http://www.samsung.com/
|
| 7 |
|
| 8 | #ifndef _LINUX_F2FS_H
|
| 9 | #define _LINUX_F2FS_H
|
| 10 |
|
| 11 | #include <linux/uio.h>
|
| 12 | #include <linux/types.h>
|
| 13 | #include <linux/mmzone.h>
|
| 14 | #include <linux/page-flags.h>
|
| 15 | #include <linux/slab.h>
|
| 16 | #include <linux/crc32.h>
|
| 17 | #include <linux/magic.h>
|
| 18 | #include <linux/kobject.h>
|
| 19 | #include <linux/sched.h>
|
| 20 | #include <linux/cred.h>
|
| 21 | #include <linux/sched/mm.h>
|
| 22 | #include <linux/vmalloc.h>
|
| 23 | #include <linux/bio.h>
|
| 24 | #include <linux/blkdev.h>
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| 25 | #include <linux/quotaops.h>
|
| 26 | #include <linux/part_stat.h>
|
| 27 | #include <linux/rw_hint.h>
|
| 28 |
|
| 29 | #include <linux/fscrypt.h>
|
| 30 | #include <linux/fsverity.h>
|
| 31 |
|
| 32 | #ifdef CONFIG_F2FS_CHECK_FS
|
| 33 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
|
| 34 | #else
|
| 35 | #define f2fs_bug_on(sbi, condition) \
|
| 36 | do { \
|
| 37 | if (WARN_ON(condition)) \
|
| 38 | set_sbi_flag(sbi, SBI_NEED_FSCK); \
|
| 39 | } while (0)
|
| 40 | #endif
|
| 41 |
|
| 42 | enum {
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| 43 | FAULT_KMALLOC,
|
| 44 | FAULT_KVMALLOC,
|
| 45 | FAULT_PAGE_ALLOC,
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| 46 | FAULT_PAGE_GET,
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| 47 | FAULT_ALLOC_BIO,
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| 48 | FAULT_ALLOC_NID,
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| 49 | FAULT_ORPHAN,
|
| 50 | FAULT_BLOCK,
|
| 51 | FAULT_DIR_DEPTH,
|
| 52 | FAULT_EVICT_INODE,
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| 53 | FAULT_TRUNCATE,
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| 54 | FAULT_READ_IO,
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| 55 | FAULT_CHECKPOINT,
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| 56 | FAULT_DISCARD,
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| 57 | FAULT_WRITE_IO,
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| 58 | FAULT_SLAB_ALLOC,
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| 59 | FAULT_DQUOT_INIT,
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| 60 | FAULT_LOCK_OP,
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| 61 | FAULT_BLKADDR_VALIDITY,
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| 62 | FAULT_BLKADDR_CONSISTENCE,
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| 63 | FAULT_NO_SEGMENT,
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| 64 | FAULT_INCONSISTENT_FOOTER,
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| 65 | FAULT_ATOMIC_TIMEOUT,
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| 66 | FAULT_VMALLOC,
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| 67 | FAULT_LOCK_TIMEOUT,
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| 68 | FAULT_SKIP_WRITE,
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| 69 | FAULT_MAX,
|
| 70 | };
|
| 71 |
|
| 72 |
|
| 73 | enum fault_option {
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| 74 | FAULT_RATE = 1,
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| 75 | FAULT_TYPE = 2,
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| 76 | FAULT_TIMEOUT = 4,
|
| 77 | FAULT_ALL = 8,
|
| 78 | };
|
| 79 |
|
| 80 | #ifdef CONFIG_F2FS_FAULT_INJECTION
|
| 81 | struct f2fs_fault_info {
|
| 82 | atomic_t inject_ops;
|
| 83 | int inject_rate;
|
| 84 | unsigned int inject_type;
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| 85 |
|
| 86 | unsigned int inject_count[FAULT_MAX];
|
| 87 | unsigned int inject_lock_timeout;
|
| 88 | };
|
| 89 |
|
| 90 | extern const char *f2fs_fault_name[FAULT_MAX];
|
| 91 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & BIT(type))
|
| 92 |
|
| 93 |
|
| 94 | #define DEFAULT_FAILURE_RETRY_COUNT 8
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| 95 | #else
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| 96 | #define DEFAULT_FAILURE_RETRY_COUNT 1
|
| 97 | #endif
|
| 98 |
|
| 99 | enum {
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| 100 | REPORT_FAULT_NEED_FSCK,
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| 101 | REPORT_FAULT_STOP_CP,
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| 102 | REPORT_FAULT_MAX,
|
| 103 | };
|
| 104 |
|
| 105 | void f2fs_fault_report(struct super_block *sb, unsigned int err_code,
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| 106 | const char *func, unsigned int data);
|
| 107 |
|
| 108 | |
| 109 | * For mount options
|
| 110 |
|
| 111 | enum f2fs_mount_opt {
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| 112 | F2FS_MOUNT_DISABLE_ROLL_FORWARD,
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| 113 | F2FS_MOUNT_DISCARD,
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| 114 | F2FS_MOUNT_NOHEAP,
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| 115 | F2FS_MOUNT_XATTR_USER,
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| 116 | F2FS_MOUNT_POSIX_ACL,
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| 117 | F2FS_MOUNT_DISABLE_EXT_IDENTIFY,
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| 118 | F2FS_MOUNT_INLINE_XATTR,
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| 119 | F2FS_MOUNT_INLINE_DATA,
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| 120 | F2FS_MOUNT_INLINE_DENTRY,
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| 121 | F2FS_MOUNT_FLUSH_MERGE,
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| 122 | F2FS_MOUNT_NOBARRIER,
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| 123 | F2FS_MOUNT_FASTBOOT,
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| 124 | F2FS_MOUNT_READ_EXTENT_CACHE,
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| 125 | F2FS_MOUNT_DATA_FLUSH,
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| 126 | F2FS_MOUNT_FAULT_INJECTION,
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| 127 | F2FS_MOUNT_USRQUOTA,
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| 128 | F2FS_MOUNT_GRPQUOTA,
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| 129 | F2FS_MOUNT_PRJQUOTA,
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| 130 | F2FS_MOUNT_QUOTA,
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| 131 | F2FS_MOUNT_INLINE_XATTR_SIZE,
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| 132 | F2FS_MOUNT_RESERVE_ROOT,
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| 133 | F2FS_MOUNT_DISABLE_CHECKPOINT,
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| 134 | F2FS_MOUNT_NORECOVERY,
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| 135 | F2FS_MOUNT_ATGC,
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| 136 | F2FS_MOUNT_MERGE_CHECKPOINT,
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| 137 | F2FS_MOUNT_GC_MERGE,
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| 138 | F2FS_MOUNT_COMPRESS_CACHE,
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| 139 | F2FS_MOUNT_AGE_EXTENT_CACHE,
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| 140 | F2FS_MOUNT_NAT_BITS,
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| 141 | F2FS_MOUNT_INLINECRYPT,
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| 142 | |
| 143 | * Some f2fs environments expect to be able to pass the "lazytime" option
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| 144 | * string rather than using the MS_LAZYTIME flag, so this must remain.
|
| 145 |
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| 146 | F2FS_MOUNT_LAZYTIME,
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| 147 | F2FS_MOUNT_RESERVE_NODE,
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| 148 | };
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| 149 |
|
| 150 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
|
| 151 | #define clear_opt(sbi, option) \
|
| 152 | (F2FS_OPTION(sbi).opt &= ~BIT(F2FS_MOUNT_##option))
|
| 153 | #define set_opt(sbi, option) \
|
| 154 | (F2FS_OPTION(sbi).opt |= BIT(F2FS_MOUNT_##option))
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| 155 | #define test_opt(sbi, option) \
|
| 156 | (F2FS_OPTION(sbi).opt & BIT(F2FS_MOUNT_##option))
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| 157 |
|
| 158 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \
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| 159 | typecheck(unsigned long long, b) && \
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| 160 | ((long long)((a) - (b)) > 0))
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| 161 |
|
| 162 | typedef u32 block_t; |
| 163 | * should not change u32, since it is the on-disk block
|
| 164 | * address format, __le32.
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| 165 |
|
| 166 | typedef u32 nid_t;
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| 167 |
|
| 168 | #define COMPRESS_EXT_NUM 16
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| 169 |
|
| 170 | enum blkzone_allocation_policy {
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| 171 | BLKZONE_ALLOC_PRIOR_SEQ,
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| 172 | BLKZONE_ALLOC_ONLY_SEQ,
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| 173 | BLKZONE_ALLOC_PRIOR_CONV,
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| 174 | };
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| 175 |
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| 176 | enum bggc_io_aware_policy {
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| 177 | AWARE_ALL_IO,
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| 178 | AWARE_READ_IO,
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| 179 | AWARE_NONE,
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| 180 | };
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| 181 |
|
| 182 | enum device_allocation_policy {
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| 183 | ALLOCATE_FORWARD_NOHINT,
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| 184 | ALLOCATE_FORWARD_WITHIN_HINT,
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| 185 | ALLOCATE_FORWARD_FROM_HINT,
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| 186 | };
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| 187 |
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| 188 | enum f2fs_lock_name {
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| 189 | LOCK_NAME_NONE,
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| 190 | LOCK_NAME_CP_RWSEM,
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| 191 | LOCK_NAME_NODE_CHANGE,
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| 192 | LOCK_NAME_NODE_WRITE,
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| 193 | LOCK_NAME_GC_LOCK,
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| 194 | LOCK_NAME_CP_GLOBAL,
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| 195 | LOCK_NAME_IO_RWSEM,
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| 196 | LOCK_NAME_NAT_TREE_LOCK,
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| 197 | LOCK_NAME_MAX,
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| 198 | };
|
| 199 |
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| 200 | enum f2fs_timeout_type {
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| 201 | TIMEOUT_TYPE_NONE,
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| 202 | TIMEOUT_TYPE_RUNNING,
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| 203 | TIMEOUT_TYPE_IO_SLEEP,
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| 204 | TIMEOUT_TYPE_NONIO_SLEEP,
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| 205 | TIMEOUT_TYPE_RUNNABLE,
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| 206 | TIMEOUT_TYPE_MAX,
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| 207 | };
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| 208 |
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| 209 | |
| 210 | * An implementation of an rwsem that is explicitly unfair to readers. This
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| 211 | * prevents priority inversion when a low-priority reader acquires the read lock
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| 212 | * while sleeping on the write lock but the write lock is needed by
|
| 213 | * higher-priority clients.
|
| 214 |
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| 215 |
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| 216 | struct f2fs_rwsem {
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| 217 | struct f2fs_sb_info *sbi;
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| 218 | enum f2fs_lock_name name;
|
| 219 | struct rw_semaphore internal_rwsem;
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| 220 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM
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| 221 | wait_queue_head_t read_waiters;
|
| 222 | #endif
|
| 223 | };
|
| 224 |
|
| 225 | struct f2fs_mount_info {
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| 226 | unsigned long long opt;
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| 227 | block_t root_reserved_blocks;
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| 228 | block_t root_reserved_nodes;
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| 229 | kuid_t s_resuid;
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| 230 | kgid_t s_resgid;
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| 231 | int active_logs;
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| 232 | int inline_xattr_size;
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| 233 | #ifdef CONFIG_F2FS_FAULT_INJECTION
|
| 234 | struct f2fs_fault_info fault_info;
|
| 235 | #endif
|
| 236 | #ifdef CONFIG_QUOTA
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| 237 |
|
| 238 | char *s_qf_names[MAXQUOTAS];
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| 239 | int s_jquota_fmt;
|
| 240 | #endif
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| 241 |
|
| 242 | int alloc_mode;
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| 243 | int fsync_mode;
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| 244 | int fs_mode;
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| 245 | int bggc_mode;
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| 246 | int memory_mode;
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| 247 | int errors;
|
| 248 | int discard_unit; |
| 249 | * discard command's offset/size should
|
| 250 | * be aligned to this unit: block,
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| 251 | * segment or section
|
| 252 |
|
| 253 | struct fscrypt_dummy_policy dummy_enc_policy;
|
| 254 | block_t unusable_cap_perc;
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| 255 | block_t unusable_cap; |
| 256 | * unusable when disabling checkpoint
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| 257 |
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| 258 | unsigned int resizable_tail_secno;
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| 259 |
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| 260 |
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| 261 | unsigned char compress_algorithm;
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| 262 | unsigned char compress_log_size;
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| 263 | unsigned char compress_level;
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| 264 | bool compress_chksum;
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| 265 | unsigned char compress_ext_cnt;
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| 266 | unsigned char nocompress_ext_cnt;
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| 267 | int compress_mode;
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| 268 | unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
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| 269 | unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
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| 270 | unsigned int lookup_mode;
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| 271 | };
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| 272 |
|
| 273 | #define F2FS_FEATURE_ENCRYPT 0x00000001
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| 274 | #define F2FS_FEATURE_BLKZONED 0x00000002
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| 275 | #define F2FS_FEATURE_ATOMIC_WRITE 0x00000004
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| 276 | #define F2FS_FEATURE_EXTRA_ATTR 0x00000008
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| 277 | #define F2FS_FEATURE_PRJQUOTA 0x00000010
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| 278 | #define F2FS_FEATURE_INODE_CHKSUM 0x00000020
|
| 279 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x00000040
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| 280 | #define F2FS_FEATURE_QUOTA_INO 0x00000080
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| 281 | #define F2FS_FEATURE_INODE_CRTIME 0x00000100
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| 282 | #define F2FS_FEATURE_LOST_FOUND 0x00000200
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| 283 | #define F2FS_FEATURE_VERITY 0x00000400
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| 284 | #define F2FS_FEATURE_SB_CHKSUM 0x00000800
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| 285 | #define F2FS_FEATURE_CASEFOLD 0x00001000
|
| 286 | #define F2FS_FEATURE_COMPRESSION 0x00002000
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| 287 | #define F2FS_FEATURE_RO 0x00004000
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| 288 | #define F2FS_FEATURE_DEVICE_ALIAS 0x00008000
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| 289 | #define F2FS_FEATURE_PACKED_SSA 0x00010000
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| 290 |
|
| 291 | #define __F2FS_HAS_FEATURE(raw_super, mask) \
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| 292 | ((raw_super->feature & cpu_to_le32(mask)) != 0)
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| 293 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
|
| 294 |
|
| 295 | |
| 296 | * Default values for user and/or group using reserved blocks
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| 297 |
|
| 298 | #define F2FS_DEF_RESUID 0
|
| 299 | #define F2FS_DEF_RESGID 0
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| 300 |
|
| 301 | |
| 302 | * For checkpoint manager
|
| 303 |
|
| 304 | enum {
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| 305 | NAT_BITMAP,
|
| 306 | SIT_BITMAP
|
| 307 | };
|
| 308 |
|
| 309 | #define CP_UMOUNT 0x00000001
|
| 310 | #define CP_FASTBOOT 0x00000002
|
| 311 | #define CP_SYNC 0x00000004
|
| 312 | #define CP_RECOVERY 0x00000008
|
| 313 | #define CP_DISCARD 0x00000010
|
| 314 | #define CP_TRIMMED 0x00000020
|
| 315 | #define CP_PAUSE 0x00000040
|
| 316 | #define CP_RESIZE 0x00000080
|
| 317 |
|
| 318 | #define DEF_MAX_DISCARD_REQUEST 8
|
| 319 | #define DEF_MIN_DISCARD_ISSUE_TIME 50
|
| 320 | #define DEF_MID_DISCARD_ISSUE_TIME 500
|
| 321 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000
|
| 322 | #define DEF_DISCARD_URGENT_UTIL 80
|
| 323 | #define DEF_CP_INTERVAL 60
|
| 324 | #define DEF_IDLE_INTERVAL 5
|
| 325 | #define DEF_DISABLE_INTERVAL 5
|
| 326 | #define DEF_DISABLE_QUICK_INTERVAL 1
|
| 327 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5
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| 328 |
|
| 329 | enum cp_time {
|
| 330 | CP_TIME_START,
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| 331 | CP_TIME_LOCK,
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| 332 | CP_TIME_OP_LOCK,
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| 333 | CP_TIME_MERGE_WRITE,
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| 334 | CP_TIME_FLUSH_NAT,
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| 335 | CP_TIME_FLUSH_SIT,
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| 336 | CP_TIME_SYNC_META,
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| 337 | CP_TIME_SYNC_CP_META,
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| 338 | CP_TIME_WAIT_DIRTY_META,
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| 339 | CP_TIME_WAIT_CP_DATA,
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| 340 | CP_TIME_FLUSH_DEVICE,
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| 341 | CP_TIME_WAIT_LAST_CP,
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| 342 | CP_TIME_END,
|
| 343 | CP_TIME_MAX,
|
| 344 | };
|
| 345 |
|
| 346 |
|
| 347 | struct cp_stats {
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| 348 | ktime_t times[CP_TIME_MAX];
|
| 349 | };
|
| 350 |
|
| 351 | struct cp_control {
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| 352 | int reason;
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| 353 | __u64 trim_start;
|
| 354 | __u64 trim_end;
|
| 355 | __u64 trim_minlen;
|
| 356 | struct cp_stats stats;
|
| 357 | };
|
| 358 |
|
| 359 | enum f2fs_cp_phase {
|
| 360 | CP_PHASE_START_BLOCK_OPS,
|
| 361 | CP_PHASE_FINISH_BLOCK_OPS,
|
| 362 | CP_PHASE_FINISH_CHECKPOINT,
|
| 363 | };
|
| 364 |
|
| 365 | |
| 366 | * indicate meta/data type
|
| 367 |
|
| 368 | enum {
|
| 369 | META_CP,
|
| 370 | META_NAT,
|
| 371 | META_SIT,
|
| 372 | META_SSA,
|
| 373 | META_MAX,
|
| 374 | META_POR,
|
| 375 | DATA_GENERIC,
|
| 376 | DATA_GENERIC_ENHANCE,
|
| 377 | DATA_GENERIC_ENHANCE_READ, |
| 378 | * strong check on range and segment
|
| 379 | * bitmap but no warning due to race
|
| 380 | * condition of read on truncated area
|
| 381 | * by extent_cache
|
| 382 |
|
| 383 | DATA_GENERIC_ENHANCE_UPDATE, |
| 384 | * strong check on range and segment
|
| 385 | * bitmap for update case
|
| 386 |
|
| 387 | META_GENERIC,
|
| 388 | };
|
| 389 |
|
| 390 |
|
| 391 | enum {
|
| 392 | ORPHAN_INO,
|
| 393 | FLUSH_INO,
|
| 394 | APPEND_INO,
|
| 395 | UPDATE_INO,
|
| 396 | TRANS_DIR_INO,
|
| 397 | XATTR_DIR_INO,
|
| 398 | MAX_INO_ENTRY,
|
| 399 | };
|
| 400 |
|
| 401 | #define INO_BITS_PER_SLOT BITS_PER_XA_VALUE
|
| 402 | #define INO_SLOT_INDEX(ino) ((ino) / INO_BITS_PER_SLOT)
|
| 403 | #define INO_BIT_OFFSET(ino) ((ino) % INO_BITS_PER_SLOT)
|
| 404 |
|
| 405 | struct ino_entry {
|
| 406 | struct list_head list;
|
| 407 | nid_t ino;
|
| 408 | unsigned int dirty_device;
|
| 409 | };
|
| 410 |
|
| 411 |
|
| 412 | struct inode_entry {
|
| 413 | struct list_head list;
|
| 414 | struct inode *inode;
|
| 415 | };
|
| 416 |
|
| 417 | struct fsync_node_entry {
|
| 418 | struct list_head list;
|
| 419 | struct folio *folio;
|
| 420 | unsigned int seq_id;
|
| 421 | };
|
| 422 |
|
| 423 | struct ckpt_req {
|
| 424 | struct completion wait;
|
| 425 | struct llist_node llnode;
|
| 426 | int ret;
|
| 427 | union {
|
| 428 | ktime_t queue_time;
|
| 429 | ktime_t delta_time;
|
| 430 | };
|
| 431 | };
|
| 432 |
|
| 433 | struct ckpt_req_control {
|
| 434 | struct task_struct *f2fs_issue_ckpt;
|
| 435 | int ckpt_thread_ioprio;
|
| 436 | wait_queue_head_t ckpt_wait_queue;
|
| 437 | atomic_t issued_ckpt;
|
| 438 | atomic_t total_ckpt;
|
| 439 | atomic_t queued_ckpt;
|
| 440 | struct llist_head issue_list;
|
| 441 | spinlock_t stat_lock;
|
| 442 | unsigned int cur_time;
|
| 443 | unsigned int peak_time;
|
| 444 | };
|
| 445 |
|
| 446 |
|
| 447 | #define CP_LONG_LATENCY_THRESHOLD 5000
|
| 448 |
|
| 449 |
|
| 450 | struct discard_entry {
|
| 451 | struct list_head list;
|
| 452 | block_t start_blkaddr;
|
| 453 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE];
|
| 454 | };
|
| 455 |
|
| 456 |
|
| 457 | #define MIN_DISCARD_GRANULARITY 1
|
| 458 |
|
| 459 | #define DEFAULT_DISCARD_GRANULARITY 16
|
| 460 |
|
| 461 | #define DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY 16
|
| 462 |
|
| 463 | #define DEFAULT_DISCARD_INTERVAL (msecs_to_jiffies(20))
|
| 464 |
|
| 465 |
|
| 466 | #define MAX_PLIST_NUM 512
|
| 467 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
|
| 468 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
|
| 469 |
|
| 470 | enum {
|
| 471 | D_PREP,
|
| 472 | D_PARTIAL,
|
| 473 | D_SUBMIT,
|
| 474 | D_DONE,
|
| 475 | };
|
| 476 |
|
| 477 | struct discard_info {
|
| 478 | block_t lstart;
|
| 479 | block_t len;
|
| 480 | block_t start;
|
| 481 | };
|
| 482 |
|
| 483 | struct discard_cmd {
|
| 484 | struct rb_node rb_node;
|
| 485 | struct discard_info di;
|
| 486 | struct list_head list;
|
| 487 | struct completion wait;
|
| 488 | struct block_device *bdev;
|
| 489 | unsigned short ref;
|
| 490 | unsigned char state;
|
| 491 | unsigned char queued;
|
| 492 | int error;
|
| 493 | spinlock_t lock;
|
| 494 | unsigned short bio_ref;
|
| 495 | };
|
| 496 |
|
| 497 | enum {
|
| 498 | DPOLICY_BG,
|
| 499 | DPOLICY_FORCE,
|
| 500 | DPOLICY_FSTRIM,
|
| 501 | DPOLICY_UMOUNT,
|
| 502 | MAX_DPOLICY,
|
| 503 | };
|
| 504 |
|
| 505 | enum {
|
| 506 | DPOLICY_IO_AWARE_DISABLE,
|
| 507 | DPOLICY_IO_AWARE_ENABLE,
|
| 508 | DPOLICY_IO_AWARE_MAX,
|
| 509 | };
|
| 510 |
|
| 511 | struct discard_policy {
|
| 512 | int type;
|
| 513 | unsigned int min_interval;
|
| 514 | unsigned int mid_interval;
|
| 515 | unsigned int max_interval;
|
| 516 | unsigned int max_requests;
|
| 517 | unsigned int io_aware_gran;
|
| 518 | bool io_aware;
|
| 519 | bool sync;
|
| 520 | bool ordered;
|
| 521 | bool timeout;
|
| 522 | unsigned int granularity;
|
| 523 | };
|
| 524 |
|
| 525 | struct discard_cmd_control {
|
| 526 | struct task_struct *f2fs_issue_discard;
|
| 527 | struct list_head entry_list;
|
| 528 | struct list_head pend_list[MAX_PLIST_NUM];
|
| 529 | struct list_head wait_list;
|
| 530 | struct list_head fstrim_list;
|
| 531 | wait_queue_head_t discard_wait_queue;
|
| 532 | struct mutex cmd_lock;
|
| 533 | unsigned int nr_discards;
|
| 534 | unsigned int max_discards;
|
| 535 | unsigned int max_discard_request;
|
| 536 | unsigned int min_discard_issue_time;
|
| 537 | unsigned int mid_discard_issue_time;
|
| 538 | unsigned int max_discard_issue_time;
|
| 539 | unsigned int discard_io_aware_gran;
|
| 540 | unsigned int discard_urgent_util;
|
| 541 | unsigned int discard_granularity;
|
| 542 | unsigned int max_ordered_discard;
|
| 543 | unsigned int discard_io_aware;
|
| 544 | unsigned int undiscard_blks;
|
| 545 | unsigned int next_pos;
|
| 546 | atomic_t issued_discard;
|
| 547 | atomic_t queued_discard;
|
| 548 | atomic_t discard_cmd_cnt;
|
| 549 | struct rb_root_cached root;
|
| 550 | bool rbtree_check;
|
| 551 | bool discard_wake;
|
| 552 | };
|
| 553 |
|
| 554 |
|
| 555 | struct fsync_inode_entry {
|
| 556 | struct list_head list;
|
| 557 | struct inode *inode;
|
| 558 | block_t blkaddr;
|
| 559 | block_t last_dentry;
|
| 560 | };
|
| 561 |
|
| 562 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
|
| 563 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
|
| 564 |
|
| 565 | #define nat_in_journal(jnl, i) \
|
| 566 | (((struct nat_journal_entry *)(jnl)->nat_j.entries)[i].ne)
|
| 567 | #define nid_in_journal(jnl, i) \
|
| 568 | (((struct nat_journal_entry *)(jnl)->nat_j.entries)[i].nid)
|
| 569 | #define sit_in_journal(jnl, i) \
|
| 570 | (((struct sit_journal_entry *)(jnl)->sit_j.entries)[i].se)
|
| 571 | #define segno_in_journal(jnl, i) \
|
| 572 | (((struct sit_journal_entry *)(jnl)->sit_j.entries)[i].segno)
|
| 573 |
|
| 574 | #define sum_entries(sum) ((struct f2fs_summary *)(sum))
|
| 575 | #define sum_journal(sbi, sum) \
|
| 576 | ((struct f2fs_journal *)((char *)(sum) + \
|
| 577 | ((sbi)->entries_in_sum * sizeof(struct f2fs_summary))))
|
| 578 | #define sum_footer(sbi, sum) \
|
| 579 | ((struct summary_footer *)((char *)(sum) + (sbi)->sum_blocksize - \
|
| 580 | sizeof(struct summary_footer)))
|
| 581 |
|
| 582 | #define MAX_NAT_JENTRIES(sbi, jnl) ((sbi)->nat_journal_entries - nats_in_cursum(jnl))
|
| 583 | #define MAX_SIT_JENTRIES(sbi, jnl) ((sbi)->sit_journal_entries - sits_in_cursum(jnl))
|
| 584 |
|
| 585 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
|
| 586 | {
|
| 587 | int before = nats_in_cursum(journal);
|
| 588 |
|
| 589 | journal->n_nats = cpu_to_le16(before + i);
|
| 590 | return before;
|
| 591 | }
|
| 592 |
|
| 593 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
|
| 594 | {
|
| 595 | int before = sits_in_cursum(journal);
|
| 596 |
|
| 597 | journal->n_sits = cpu_to_le16(before + i);
|
| 598 | return before;
|
| 599 | }
|
| 600 |
|
| 601 |
|
| 602 | #define DEF_INLINE_RESERVED_SIZE 1
|
| 603 | static inline int get_extra_isize(struct inode *inode);
|
| 604 | static inline int get_inline_xattr_addrs(struct inode *inode);
|
| 605 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
|
| 606 | (CUR_ADDRS_PER_INODE(inode) - \
|
| 607 | get_inline_xattr_addrs(inode) - \
|
| 608 | DEF_INLINE_RESERVED_SIZE))
|
| 609 |
|
| 610 |
|
| 611 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
|
| 612 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
|
| 613 | BITS_PER_BYTE + 1))
|
| 614 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \
|
| 615 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
|
| 616 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
|
| 617 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
|
| 618 | NR_INLINE_DENTRY(inode) + \
|
| 619 | INLINE_DENTRY_BITMAP_SIZE(inode)))
|
| 620 |
|
| 621 | |
| 622 | * For INODE and NODE manager
|
| 623 |
|
| 624 |
|
| 625 |
|
| 626 | struct f2fs_filename {
|
| 627 | |
| 628 | * The filename the user specified. This is NULL for some
|
| 629 | * filesystem-internal operations, e.g. converting an inline directory
|
| 630 | * to a non-inline one, or roll-forward recovering an encrypted dentry.
|
| 631 |
|
| 632 | const struct qstr *usr_fname;
|
| 633 |
|
| 634 | |
| 635 | * The on-disk filename. For encrypted directories, this is encrypted.
|
| 636 | * This may be NULL for lookups in an encrypted dir without the key.
|
| 637 |
|
| 638 | struct fscrypt_str disk_name;
|
| 639 |
|
| 640 |
|
| 641 | f2fs_hash_t hash;
|
| 642 |
|
| 643 | #ifdef CONFIG_FS_ENCRYPTION
|
| 644 | |
| 645 | * For lookups in encrypted directories: either the buffer backing
|
| 646 | * disk_name, or a buffer that holds the decoded no-key name.
|
| 647 |
|
| 648 | struct fscrypt_str crypto_buf;
|
| 649 | #endif
|
| 650 | #if IS_ENABLED(CONFIG_UNICODE)
|
| 651 | |
| 652 | * For casefolded directories: the casefolded name, but it's left NULL
|
| 653 | * if the original name is not valid Unicode, if the original name is
|
| 654 | * "." or "..", if the directory is both casefolded and encrypted and
|
| 655 | * its encryption key is unavailable, or if the filesystem is doing an
|
| 656 | * internal operation where usr_fname is also NULL. In all these cases
|
| 657 | * we fall back to treating the name as an opaque byte sequence.
|
| 658 |
|
| 659 | struct qstr cf_name;
|
| 660 | #endif
|
| 661 | };
|
| 662 |
|
| 663 | struct f2fs_dentry_ptr {
|
| 664 | struct inode *inode;
|
| 665 | void *bitmap;
|
| 666 | struct f2fs_dir_entry *dentry;
|
| 667 | __u8 (*filename)[F2FS_SLOT_LEN];
|
| 668 | int max;
|
| 669 | int nr_bitmap;
|
| 670 | };
|
| 671 |
|
| 672 | static inline void make_dentry_ptr_block(struct inode *inode,
|
| 673 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
|
| 674 | {
|
| 675 | d->inode = inode;
|
| 676 | d->max = NR_DENTRY_IN_BLOCK;
|
| 677 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
|
| 678 | d->bitmap = t->dentry_bitmap;
|
| 679 | d->dentry = t->dentry;
|
| 680 | d->filename = t->filename;
|
| 681 | }
|
| 682 |
|
| 683 | static inline void make_dentry_ptr_inline(struct inode *inode,
|
| 684 | struct f2fs_dentry_ptr *d, void *t)
|
| 685 | {
|
| 686 | int entry_cnt = NR_INLINE_DENTRY(inode);
|
| 687 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
|
| 688 | int reserved_size = INLINE_RESERVED_SIZE(inode);
|
| 689 |
|
| 690 | d->inode = inode;
|
| 691 | d->max = entry_cnt;
|
| 692 | d->nr_bitmap = bitmap_size;
|
| 693 | d->bitmap = t;
|
| 694 | d->dentry = t + bitmap_size + reserved_size;
|
| 695 | d->filename = t + bitmap_size + reserved_size +
|
| 696 | SIZE_OF_DIR_ENTRY * entry_cnt;
|
| 697 | }
|
| 698 |
|
| 699 | |
| 700 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
|
| 701 | * as its node offset to distinguish from index node blocks.
|
| 702 | * But some bits are used to mark the node block.
|
| 703 |
|
| 704 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
|
| 705 | >> OFFSET_BIT_SHIFT)
|
| 706 | enum {
|
| 707 | ALLOC_NODE,
|
| 708 | LOOKUP_NODE,
|
| 709 | LOOKUP_NODE_RA, |
| 710 | * look up a node with readahead called
|
| 711 | * by get_data_block.
|
| 712 |
|
| 713 | };
|
| 714 |
|
| 715 | #define DEFAULT_RETRY_IO_COUNT 8
|
| 716 |
|
| 717 | #define MAX_FLUSH_RETRY_COUNT 3
|
| 718 |
|
| 719 |
|
| 720 | #define DEFAULT_SCHEDULE_TIMEOUT 1
|
| 721 |
|
| 722 |
|
| 723 | #define DEFAULT_FAULT_TIMEOUT (msecs_to_jiffies(1000))
|
| 724 |
|
| 725 |
|
| 726 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
|
| 727 |
|
| 728 |
|
| 729 | #define MAX_RETRY_PAGE_EIO 100
|
| 730 |
|
| 731 | #define F2FS_LINK_MAX 0xffffffff
|
| 732 |
|
| 733 | #define MAX_DIR_RA_PAGES 4
|
| 734 |
|
| 735 |
|
| 736 | #define DEFAULT_DIRTY_THRESHOLD 4
|
| 737 |
|
| 738 | #define RECOVERY_MAX_RA_BLOCKS BIO_MAX_VECS
|
| 739 | #define RECOVERY_MIN_RA_BLOCKS 1
|
| 740 |
|
| 741 | #define F2FS_ONSTACK_PAGES 16
|
| 742 |
|
| 743 |
|
| 744 | #define F2FS_MIN_EXTENT_LEN 64
|
| 745 |
|
| 746 |
|
| 747 | #define READ_EXTENT_CACHE_SHRINK_NUMBER 128
|
| 748 |
|
| 749 |
|
| 750 | #define AGE_EXTENT_CACHE_SHRINK_NUMBER 128
|
| 751 | #define LAST_AGE_WEIGHT 30
|
| 752 | #define SAME_AGE_REGION 1024
|
| 753 |
|
| 754 | |
| 755 | * Define data block with age less than 1GB as hot data
|
| 756 | * define data block with age less than 10GB but more than 1GB as warm data
|
| 757 |
|
| 758 | #define DEF_HOT_DATA_AGE_THRESHOLD 262144
|
| 759 | #define DEF_WARM_DATA_AGE_THRESHOLD 2621440
|
| 760 |
|
| 761 |
|
| 762 | #define DEF_MAX_READ_EXTENT_COUNT 10240
|
| 763 |
|
| 764 |
|
| 765 | enum extent_type {
|
| 766 | EX_READ,
|
| 767 | EX_BLOCK_AGE,
|
| 768 | NR_EXTENT_CACHES,
|
| 769 | };
|
| 770 |
|
| 771 | |
| 772 | * Reserved value to mark invalid age extents, hence valid block range
|
| 773 | * from 0 to ULLONG_MAX-1
|
| 774 |
|
| 775 | #define F2FS_EXTENT_AGE_INVALID ULLONG_MAX
|
| 776 |
|
| 777 | struct extent_info {
|
| 778 | unsigned int fofs;
|
| 779 | unsigned int len;
|
| 780 | union {
|
| 781 |
|
| 782 | struct {
|
| 783 |
|
| 784 | block_t blk;
|
| 785 | #ifdef CONFIG_F2FS_FS_COMPRESSION
|
| 786 |
|
| 787 | unsigned int c_len;
|
| 788 | #endif
|
| 789 | };
|
| 790 |
|
| 791 | struct {
|
| 792 |
|
| 793 | unsigned long long age;
|
| 794 |
|
| 795 | unsigned long long last_blocks;
|
| 796 | };
|
| 797 | };
|
| 798 | };
|
| 799 |
|
| 800 | struct extent_node {
|
| 801 | struct rb_node rb_node;
|
| 802 | struct extent_info ei;
|
| 803 | struct list_head list;
|
| 804 | struct extent_tree *et;
|
| 805 | };
|
| 806 |
|
| 807 | struct extent_tree {
|
| 808 | nid_t ino;
|
| 809 | enum extent_type type;
|
| 810 | struct rb_root_cached root;
|
| 811 | struct extent_node *cached_en;
|
| 812 | struct list_head list;
|
| 813 | rwlock_t lock;
|
| 814 | atomic_t node_cnt;
|
| 815 | bool largest_updated;
|
| 816 | struct extent_info largest;
|
| 817 | };
|
| 818 |
|
| 819 | struct extent_tree_info {
|
| 820 | struct radix_tree_root extent_tree_root;
|
| 821 | struct mutex extent_tree_lock;
|
| 822 | struct list_head extent_list;
|
| 823 | spinlock_t extent_lock;
|
| 824 | atomic_t total_ext_tree;
|
| 825 | struct list_head zombie_list;
|
| 826 | atomic_t total_zombie_tree;
|
| 827 | atomic_t total_ext_node;
|
| 828 | };
|
| 829 |
|
| 830 | |
| 831 | * State of block returned by f2fs_map_blocks.
|
| 832 |
|
| 833 | #define F2FS_MAP_NEW (1U << 0)
|
| 834 | #define F2FS_MAP_MAPPED (1U << 1)
|
| 835 | #define F2FS_MAP_DELALLOC (1U << 2)
|
| 836 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
|
| 837 | F2FS_MAP_DELALLOC)
|
| 838 |
|
| 839 | struct f2fs_map_blocks {
|
| 840 | struct block_device *m_bdev;
|
| 841 | block_t m_pblk;
|
| 842 | block_t m_lblk;
|
| 843 | unsigned int m_len;
|
| 844 | unsigned int m_flags;
|
| 845 | unsigned long m_last_pblk;
|
| 846 | pgoff_t *m_next_pgofs;
|
| 847 | pgoff_t *m_next_extent;
|
| 848 | int m_seg_type;
|
| 849 | bool m_may_create;
|
| 850 | bool m_multidev_dio;
|
| 851 | };
|
| 852 |
|
| 853 |
|
| 854 | enum {
|
| 855 | F2FS_GET_BLOCK_DEFAULT,
|
| 856 | F2FS_GET_BLOCK_FIEMAP,
|
| 857 | F2FS_GET_BLOCK_BMAP,
|
| 858 | F2FS_GET_BLOCK_DIO,
|
| 859 | F2FS_GET_BLOCK_PRE_DIO,
|
| 860 | F2FS_GET_BLOCK_PRE_AIO,
|
| 861 | F2FS_GET_BLOCK_PRECACHE,
|
| 862 | };
|
| 863 |
|
| 864 | |
| 865 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
|
| 866 |
|
| 867 | #define FADVISE_COLD_BIT 0x01
|
| 868 | #define FADVISE_LOST_PINO_BIT 0x02
|
| 869 | #define FADVISE_ENCRYPT_BIT 0x04
|
| 870 | #define FADVISE_ENC_NAME_BIT 0x08
|
| 871 | #define FADVISE_KEEP_SIZE_BIT 0x10
|
| 872 | #define FADVISE_HOT_BIT 0x20
|
| 873 | #define FADVISE_VERITY_BIT 0x40
|
| 874 | #define FADVISE_TRUNC_BIT 0x80
|
| 875 |
|
| 876 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
|
| 877 |
|
| 878 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
|
| 879 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
|
| 880 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
|
| 881 |
|
| 882 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
|
| 883 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
|
| 884 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
|
| 885 |
|
| 886 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
|
| 887 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
|
| 888 |
|
| 889 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
|
| 890 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
|
| 891 |
|
| 892 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
|
| 893 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
|
| 894 |
|
| 895 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
|
| 896 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
|
| 897 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
|
| 898 |
|
| 899 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
|
| 900 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
|
| 901 |
|
| 902 | #define file_should_truncate(inode) is_file(inode, FADVISE_TRUNC_BIT)
|
| 903 | #define file_need_truncate(inode) set_file(inode, FADVISE_TRUNC_BIT)
|
| 904 | #define file_dont_truncate(inode) clear_file(inode, FADVISE_TRUNC_BIT)
|
| 905 |
|
| 906 | #define DEF_DIR_LEVEL 0
|
| 907 |
|
| 908 |
|
| 909 | enum {
|
| 910 | FI_NEW_INODE,
|
| 911 | FI_DIRTY_INODE,
|
| 912 | FI_AUTO_RECOVER,
|
| 913 | FI_DIRTY_DIR,
|
| 914 | FI_INC_LINK,
|
| 915 | FI_ACL_MODE,
|
| 916 | FI_NO_ALLOC,
|
| 917 | FI_FREE_NID,
|
| 918 | FI_NO_EXTENT,
|
| 919 | FI_INLINE_XATTR,
|
| 920 | FI_INLINE_DATA,
|
| 921 | FI_INLINE_DENTRY,
|
| 922 | FI_APPEND_WRITE,
|
| 923 | FI_UPDATE_WRITE,
|
| 924 | FI_NEED_IPU,
|
| 925 | FI_ATOMIC_FILE,
|
| 926 | FI_DATA_EXIST,
|
| 927 | FI_SKIP_WRITES,
|
| 928 | FI_OPU_WRITE,
|
| 929 | FI_DIRTY_FILE,
|
| 930 | FI_PREALLOCATED_ALL,
|
| 931 | FI_HOT_DATA,
|
| 932 | FI_EXTRA_ATTR,
|
| 933 | FI_PROJ_INHERIT,
|
| 934 | FI_PIN_FILE,
|
| 935 | FI_VERITY_IN_PROGRESS,
|
| 936 | FI_COMPRESSED_FILE,
|
| 937 | FI_COMPRESS_CORRUPT,
|
| 938 | FI_MMAP_FILE,
|
| 939 | FI_ENABLE_COMPRESS,
|
| 940 | FI_COMPRESS_RELEASED,
|
| 941 | FI_ALIGNED_WRITE,
|
| 942 | FI_COW_FILE,
|
| 943 | FI_ATOMIC_COMMITTED,
|
| 944 | FI_ATOMIC_DIRTIED,
|
| 945 | FI_ATOMIC_REPLACE,
|
| 946 | FI_OPENED_FILE,
|
| 947 | FI_DONATE_FINISHED,
|
| 948 | FI_MAX,
|
| 949 | };
|
| 950 |
|
| 951 | struct f2fs_inode_info {
|
| 952 | struct inode vfs_inode;
|
| 953 | unsigned long i_flags;
|
| 954 | unsigned char i_advise;
|
| 955 | unsigned char i_dir_level;
|
| 956 | union {
|
| 957 | unsigned int i_current_depth;
|
| 958 | unsigned short i_gc_failures;
|
| 959 | };
|
| 960 | unsigned int i_pino;
|
| 961 | umode_t i_acl_mode;
|
| 962 |
|
| 963 |
|
| 964 | unsigned long flags[BITS_TO_LONGS(FI_MAX)];
|
| 965 | unsigned int ioprio_hint;
|
| 966 | struct f2fs_rwsem i_sem;
|
| 967 | atomic_t dirty_pages;
|
| 968 | f2fs_hash_t chash;
|
| 969 | unsigned int clevel;
|
| 970 | struct task_struct *task;
|
| 971 | struct task_struct *cp_task;
|
| 972 | struct task_struct *wb_task;
|
| 973 | nid_t i_xattr_nid;
|
| 974 | loff_t last_disk_size;
|
| 975 | spinlock_t i_size_lock;
|
| 976 |
|
| 977 | #ifdef CONFIG_QUOTA
|
| 978 | struct dquot __rcu *i_dquot[MAXQUOTAS];
|
| 979 |
|
| 980 |
|
| 981 | qsize_t i_reserved_quota;
|
| 982 | #endif
|
| 983 | struct list_head dirty_list;
|
| 984 | struct list_head gdirty_list;
|
| 985 |
|
| 986 |
|
| 987 | struct list_head gdonate_list;
|
| 988 | pgoff_t donate_start, donate_end;
|
| 989 | atomic_t open_count;
|
| 990 |
|
| 991 | struct task_struct *atomic_write_task;
|
| 992 | struct extent_tree *extent_tree[NR_EXTENT_CACHES];
|
| 993 |
|
| 994 | union {
|
| 995 | struct inode *cow_inode;
|
| 996 | struct inode *atomic_inode;
|
| 997 |
|
| 998 | };
|
| 999 |
|
| 1000 |
|
| 1001 | struct f2fs_rwsem i_gc_rwsem[2];
|
| 1002 | struct f2fs_rwsem i_xattr_sem;
|
| 1003 |
|
| 1004 | int i_extra_isize;
|
| 1005 | kprojid_t i_projid;
|
| 1006 | int i_inline_xattr_size;
|
| 1007 | struct timespec64 i_crtime;
|
| 1008 | struct timespec64 i_disk_time[3];
|
| 1009 |
|
| 1010 |
|
| 1011 | atomic_t i_compr_blocks;
|
| 1012 | unsigned char i_compress_algorithm;
|
| 1013 | unsigned char i_log_cluster_size;
|
| 1014 | unsigned char i_compress_level;
|
| 1015 | unsigned char i_compress_flag;
|
| 1016 | unsigned int i_cluster_size;
|
| 1017 | atomic_t writeback;
|
| 1018 |
|
| 1019 | unsigned int atomic_write_cnt;
|
| 1020 | loff_t original_i_size;
|
| 1021 | #ifdef CONFIG_FS_ENCRYPTION
|
| 1022 | struct fscrypt_inode_info *i_crypt_info;
|
| 1023 | #endif
|
| 1024 | };
|
| 1025 |
|
| 1026 | static inline void get_read_extent_info(struct extent_info *ext,
|
| 1027 | struct f2fs_extent *i_ext)
|
| 1028 | {
|
| 1029 | ext->fofs = le32_to_cpu(i_ext->fofs);
|
| 1030 | ext->blk = le32_to_cpu(i_ext->blk);
|
| 1031 | ext->len = le32_to_cpu(i_ext->len);
|
| 1032 | }
|
| 1033 |
|
| 1034 | static inline void set_raw_read_extent(struct extent_info *ext,
|
| 1035 | struct f2fs_extent *i_ext)
|
| 1036 | {
|
| 1037 | i_ext->fofs = cpu_to_le32(ext->fofs);
|
| 1038 | i_ext->blk = cpu_to_le32(ext->blk);
|
| 1039 | i_ext->len = cpu_to_le32(ext->len);
|
| 1040 | }
|
| 1041 |
|
| 1042 | static inline bool __is_discard_mergeable(struct discard_info *back,
|
| 1043 | struct discard_info *front, unsigned int max_len)
|
| 1044 | {
|
| 1045 | return (back->lstart + back->len == front->lstart) &&
|
| 1046 | (back->len + front->len <= max_len);
|
| 1047 | }
|
| 1048 |
|
| 1049 | static inline bool __is_discard_back_mergeable(struct discard_info *cur,
|
| 1050 | struct discard_info *back, unsigned int max_len)
|
| 1051 | {
|
| 1052 | return __is_discard_mergeable(back, cur, max_len);
|
| 1053 | }
|
| 1054 |
|
| 1055 | static inline bool __is_discard_front_mergeable(struct discard_info *cur,
|
| 1056 | struct discard_info *front, unsigned int max_len)
|
| 1057 | {
|
| 1058 | return __is_discard_mergeable(cur, front, max_len);
|
| 1059 | }
|
| 1060 |
|
| 1061 | |
| 1062 | * For free nid management
|
| 1063 |
|
| 1064 | enum nid_state {
|
| 1065 | FREE_NID,
|
| 1066 | PREALLOC_NID,
|
| 1067 | MAX_NID_STATE,
|
| 1068 | };
|
| 1069 |
|
| 1070 | enum nat_state {
|
| 1071 | TOTAL_NAT,
|
| 1072 | DIRTY_NAT,
|
| 1073 | RECLAIMABLE_NAT,
|
| 1074 | MAX_NAT_STATE,
|
| 1075 | };
|
| 1076 |
|
| 1077 | struct f2fs_nm_info {
|
| 1078 | block_t nat_blkaddr;
|
| 1079 | nid_t max_nid;
|
| 1080 | nid_t available_nids;
|
| 1081 | nid_t next_scan_nid;
|
| 1082 | nid_t max_rf_node_blocks;
|
| 1083 | unsigned int ram_thresh;
|
| 1084 | unsigned int ra_nid_pages;
|
| 1085 | unsigned int dirty_nats_ratio;
|
| 1086 |
|
| 1087 |
|
| 1088 | struct radix_tree_root nat_root;
|
| 1089 | struct radix_tree_root nat_set_root;
|
| 1090 | struct f2fs_rwsem nat_tree_lock;
|
| 1091 | struct list_head nat_entries;
|
| 1092 | spinlock_t nat_list_lock;
|
| 1093 | unsigned int nat_cnt[MAX_NAT_STATE];
|
| 1094 | unsigned int nat_blocks;
|
| 1095 |
|
| 1096 |
|
| 1097 | struct radix_tree_root free_nid_root;
|
| 1098 | struct list_head free_nid_list;
|
| 1099 | unsigned int nid_cnt[MAX_NID_STATE];
|
| 1100 | spinlock_t nid_list_lock;
|
| 1101 | struct mutex build_lock;
|
| 1102 | unsigned char **free_nid_bitmap;
|
| 1103 | unsigned char *nat_block_bitmap;
|
| 1104 | unsigned short *free_nid_count;
|
| 1105 |
|
| 1106 |
|
| 1107 | char *nat_bitmap;
|
| 1108 |
|
| 1109 | unsigned int nat_bits_blocks;
|
| 1110 | unsigned char *nat_bits;
|
| 1111 | unsigned char *full_nat_bits;
|
| 1112 | unsigned char *empty_nat_bits;
|
| 1113 | #ifdef CONFIG_F2FS_CHECK_FS
|
| 1114 | char *nat_bitmap_mir;
|
| 1115 | #endif
|
| 1116 | int bitmap_size;
|
| 1117 | };
|
| 1118 |
|
| 1119 | |
| 1120 | * this structure is used as one of function parameters.
|
| 1121 | * all the information are dedicated to a given direct node block determined
|
| 1122 | * by the data offset in a file.
|
| 1123 |
|
| 1124 | struct dnode_of_data {
|
| 1125 | struct inode *inode;
|
| 1126 | struct folio *inode_folio;
|
| 1127 | struct folio *node_folio;
|
| 1128 | nid_t nid;
|
| 1129 | unsigned int ofs_in_node;
|
| 1130 | bool inode_folio_locked;
|
| 1131 | bool node_changed;
|
| 1132 | char cur_level;
|
| 1133 | char max_level;
|
| 1134 | block_t data_blkaddr;
|
| 1135 | };
|
| 1136 |
|
| 1137 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
|
| 1138 | struct folio *ifolio, struct folio *nfolio, nid_t nid)
|
| 1139 | {
|
| 1140 | memset(dn, 0, sizeof(*dn));
|
| 1141 | dn->inode = inode;
|
| 1142 | dn->inode_folio = ifolio;
|
| 1143 | dn->node_folio = nfolio;
|
| 1144 | dn->nid = nid;
|
| 1145 | }
|
| 1146 |
|
| 1147 | |
| 1148 | * For SIT manager
|
| 1149 | *
|
| 1150 | * By default, there are 6 active log areas across the whole main area.
|
| 1151 | * When considering hot and cold data separation to reduce cleaning overhead,
|
| 1152 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
|
| 1153 | * respectively.
|
| 1154 | * In the current design, you should not change the numbers intentionally.
|
| 1155 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
|
| 1156 | * logs individually according to the underlying devices. (default: 6)
|
| 1157 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
|
| 1158 | * data and 8 for node logs.
|
| 1159 |
|
| 1160 | #define NR_CURSEG_DATA_TYPE (3)
|
| 1161 | #define NR_CURSEG_NODE_TYPE (3)
|
| 1162 | #define NR_CURSEG_INMEM_TYPE (2)
|
| 1163 | #define NR_CURSEG_RO_TYPE (2)
|
| 1164 | #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
|
| 1165 | #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
|
| 1166 |
|
| 1167 | enum log_type {
|
| 1168 | CURSEG_HOT_DATA = 0,
|
| 1169 | CURSEG_WARM_DATA,
|
| 1170 | CURSEG_COLD_DATA,
|
| 1171 | CURSEG_HOT_NODE,
|
| 1172 | CURSEG_WARM_NODE,
|
| 1173 | CURSEG_COLD_NODE,
|
| 1174 | NR_PERSISTENT_LOG,
|
| 1175 | CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG,
|
| 1176 |
|
| 1177 | CURSEG_ALL_DATA_ATGC,
|
| 1178 | NO_CHECK_TYPE,
|
| 1179 | };
|
| 1180 |
|
| 1181 | struct flush_cmd {
|
| 1182 | struct completion wait;
|
| 1183 | struct llist_node llnode;
|
| 1184 | nid_t ino;
|
| 1185 | int ret;
|
| 1186 | };
|
| 1187 |
|
| 1188 | struct flush_cmd_control {
|
| 1189 | struct task_struct *f2fs_issue_flush;
|
| 1190 | wait_queue_head_t flush_wait_queue;
|
| 1191 | atomic_t issued_flush;
|
| 1192 | atomic_t queued_flush;
|
| 1193 | struct llist_head issue_list;
|
| 1194 | struct llist_node *dispatch_list;
|
| 1195 | };
|
| 1196 |
|
| 1197 | struct f2fs_sm_info {
|
| 1198 | struct sit_info *sit_info;
|
| 1199 | struct free_segmap_info *free_info;
|
| 1200 | struct dirty_seglist_info *dirty_info;
|
| 1201 | struct curseg_info *curseg_array;
|
| 1202 |
|
| 1203 | struct f2fs_rwsem curseg_lock;
|
| 1204 |
|
| 1205 | block_t seg0_blkaddr;
|
| 1206 | block_t main_blkaddr;
|
| 1207 | block_t ssa_blkaddr;
|
| 1208 |
|
| 1209 | unsigned int segment_count;
|
| 1210 | unsigned int main_segments;
|
| 1211 | unsigned int reserved_segments;
|
| 1212 | unsigned int ovp_segments;
|
| 1213 |
|
| 1214 |
|
| 1215 | unsigned int rec_prefree_segments;
|
| 1216 |
|
| 1217 | struct list_head sit_entry_set;
|
| 1218 |
|
| 1219 | unsigned int ipu_policy;
|
| 1220 | unsigned int min_ipu_util;
|
| 1221 | unsigned int min_fsync_blocks;
|
| 1222 | unsigned int min_seq_blocks;
|
| 1223 | unsigned int min_hot_blocks;
|
| 1224 | unsigned int min_ssr_sections;
|
| 1225 |
|
| 1226 |
|
| 1227 | struct flush_cmd_control *fcc_info;
|
| 1228 |
|
| 1229 |
|
| 1230 | struct discard_cmd_control *dcc_info;
|
| 1231 | };
|
| 1232 |
|
| 1233 | |
| 1234 | * For superblock
|
| 1235 |
|
| 1236 | |
| 1237 | * COUNT_TYPE for monitoring
|
| 1238 | *
|
| 1239 | * f2fs monitors the number of several block types such as on-writeback,
|
| 1240 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
|
| 1241 |
|
| 1242 | #define WB_DATA_TYPE(folio, f) \
|
| 1243 | (f || f2fs_is_cp_guaranteed(folio) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
|
| 1244 | enum count_type {
|
| 1245 | F2FS_DIRTY_DENTS,
|
| 1246 | F2FS_DIRTY_DATA,
|
| 1247 | F2FS_DIRTY_QDATA,
|
| 1248 | F2FS_DIRTY_NODES,
|
| 1249 | F2FS_DIRTY_META,
|
| 1250 | F2FS_DIRTY_IMETA,
|
| 1251 | F2FS_WB_CP_DATA,
|
| 1252 | F2FS_WB_DATA,
|
| 1253 | F2FS_RD_DATA,
|
| 1254 | F2FS_RD_NODE,
|
| 1255 | F2FS_RD_META,
|
| 1256 | F2FS_DIO_WRITE,
|
| 1257 | F2FS_DIO_READ,
|
| 1258 | F2FS_SKIPPED_WRITE,
|
| 1259 | NR_COUNT_TYPE,
|
| 1260 | };
|
| 1261 |
|
| 1262 | |
| 1263 | * The below are the page types of bios used in submit_bio().
|
| 1264 | * The available types are:
|
| 1265 | * DATA User data pages. It operates as async mode.
|
| 1266 | * NODE Node pages. It operates as async mode.
|
| 1267 | * META FS metadata pages such as SIT, NAT, CP.
|
| 1268 | * NR_PAGE_TYPE The number of page types.
|
| 1269 | * META_FLUSH Make sure the previous pages are written
|
| 1270 | * with waiting the bio's completion
|
| 1271 | * ... Only can be used with META.
|
| 1272 |
|
| 1273 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
|
| 1274 | #define PAGE_TYPE_ON_MAIN(type) ((type) == DATA || (type) == NODE)
|
| 1275 | enum page_type {
|
| 1276 | DATA = 0,
|
| 1277 | NODE = 1,
|
| 1278 | META,
|
| 1279 | NR_PAGE_TYPE,
|
| 1280 | META_FLUSH,
|
| 1281 | IPU,
|
| 1282 | OPU,
|
| 1283 | };
|
| 1284 |
|
| 1285 | enum temp_type {
|
| 1286 | HOT = 0,
|
| 1287 | WARM,
|
| 1288 | COLD,
|
| 1289 | NR_TEMP_TYPE,
|
| 1290 | };
|
| 1291 |
|
| 1292 | enum need_lock_type {
|
| 1293 | LOCK_REQ = 0,
|
| 1294 | LOCK_DONE,
|
| 1295 | LOCK_RETRY,
|
| 1296 | };
|
| 1297 |
|
| 1298 | enum cp_reason_type {
|
| 1299 | CP_NO_NEEDED,
|
| 1300 | CP_NON_REGULAR,
|
| 1301 | CP_COMPRESSED,
|
| 1302 | CP_HARDLINK,
|
| 1303 | CP_SB_NEED_CP,
|
| 1304 | CP_WRONG_PINO,
|
| 1305 | CP_NO_SPC_ROLL,
|
| 1306 | CP_NODE_NEED_CP,
|
| 1307 | CP_FASTBOOT_MODE,
|
| 1308 | CP_SPEC_LOG_NUM,
|
| 1309 | CP_RECOVER_DIR,
|
| 1310 | CP_XATTR_DIR,
|
| 1311 | };
|
| 1312 |
|
| 1313 | enum iostat_type {
|
| 1314 |
|
| 1315 | APP_DIRECT_IO,
|
| 1316 | APP_BUFFERED_IO,
|
| 1317 | APP_WRITE_IO,
|
| 1318 | APP_MAPPED_IO,
|
| 1319 | APP_BUFFERED_CDATA_IO,
|
| 1320 | APP_MAPPED_CDATA_IO,
|
| 1321 | FS_DATA_IO,
|
| 1322 | FS_CDATA_IO,
|
| 1323 | FS_NODE_IO,
|
| 1324 | FS_META_IO,
|
| 1325 | FS_GC_DATA_IO,
|
| 1326 | FS_GC_NODE_IO,
|
| 1327 | FS_CP_DATA_IO,
|
| 1328 | FS_CP_NODE_IO,
|
| 1329 | FS_CP_META_IO,
|
| 1330 |
|
| 1331 |
|
| 1332 | APP_DIRECT_READ_IO,
|
| 1333 | APP_BUFFERED_READ_IO,
|
| 1334 | APP_READ_IO,
|
| 1335 | APP_MAPPED_READ_IO,
|
| 1336 | APP_BUFFERED_CDATA_READ_IO,
|
| 1337 | APP_MAPPED_CDATA_READ_IO,
|
| 1338 | FS_DATA_READ_IO,
|
| 1339 | FS_GDATA_READ_IO,
|
| 1340 | FS_CDATA_READ_IO,
|
| 1341 | FS_NODE_READ_IO,
|
| 1342 | FS_META_READ_IO,
|
| 1343 |
|
| 1344 |
|
| 1345 | FS_DISCARD_IO,
|
| 1346 | FS_FLUSH_IO,
|
| 1347 | FS_ZONE_RESET_IO,
|
| 1348 | NR_IO_TYPE,
|
| 1349 | };
|
| 1350 |
|
| 1351 | struct f2fs_io_info {
|
| 1352 | struct f2fs_sb_info *sbi;
|
| 1353 | nid_t ino;
|
| 1354 | enum page_type type;
|
| 1355 | enum temp_type temp;
|
| 1356 | enum req_op op;
|
| 1357 | blk_opf_t op_flags;
|
| 1358 | block_t new_blkaddr;
|
| 1359 | block_t old_blkaddr;
|
| 1360 | union {
|
| 1361 | struct page *page;
|
| 1362 | struct folio *folio;
|
| 1363 | };
|
| 1364 | struct page *encrypted_page;
|
| 1365 | struct page *compressed_page;
|
| 1366 | struct list_head list;
|
| 1367 | unsigned int compr_blocks;
|
| 1368 | unsigned int need_lock:8;
|
| 1369 | unsigned int version:8;
|
| 1370 | unsigned int submitted:1;
|
| 1371 | unsigned int in_list:1;
|
| 1372 | unsigned int is_por:1;
|
| 1373 | unsigned int meta_gc:1;
|
| 1374 | enum iostat_type io_type;
|
| 1375 | struct writeback_control *io_wbc;
|
| 1376 | struct bio **bio;
|
| 1377 | sector_t *last_block;
|
| 1378 | };
|
| 1379 |
|
| 1380 | struct bio_entry {
|
| 1381 | struct bio *bio;
|
| 1382 | struct list_head list;
|
| 1383 | };
|
| 1384 |
|
| 1385 | #define is_read_io(rw) ((rw) == READ)
|
| 1386 | struct f2fs_bio_info {
|
| 1387 | struct f2fs_sb_info *sbi;
|
| 1388 | struct bio *bio;
|
| 1389 | sector_t last_block_in_bio;
|
| 1390 | struct f2fs_io_info fio;
|
| 1391 | #ifdef CONFIG_BLK_DEV_ZONED
|
| 1392 | struct completion zone_wait;
|
| 1393 | struct bio *zone_pending_bio;
|
| 1394 | void *bi_private;
|
| 1395 | #endif
|
| 1396 | struct f2fs_rwsem io_rwsem;
|
| 1397 | spinlock_t io_lock;
|
| 1398 | struct list_head io_list;
|
| 1399 | struct list_head bio_list;
|
| 1400 | struct f2fs_rwsem bio_list_lock;
|
| 1401 | };
|
| 1402 |
|
| 1403 | #define FDEV(i) (sbi->devs[i])
|
| 1404 | #define RDEV(i) (raw_super->devs[i])
|
| 1405 | struct f2fs_dev_info {
|
| 1406 | struct file *bdev_file;
|
| 1407 | struct block_device *bdev;
|
| 1408 | char path[MAX_PATH_LEN + 1];
|
| 1409 | unsigned int total_segments;
|
| 1410 | block_t start_blk;
|
| 1411 | block_t end_blk;
|
| 1412 | bool has_alias;
|
| 1413 | bool is_reserving;
|
| 1414 | #ifdef CONFIG_BLK_DEV_ZONED
|
| 1415 | unsigned int nr_blkz;
|
| 1416 | unsigned long *blkz_seq;
|
| 1417 | #endif
|
| 1418 | };
|
| 1419 |
|
| 1420 | enum inode_type {
|
| 1421 | DIR_INODE,
|
| 1422 | FILE_INODE,
|
| 1423 | DIRTY_META,
|
| 1424 | DONATE_INODE,
|
| 1425 | NR_INODE_TYPE,
|
| 1426 | };
|
| 1427 |
|
| 1428 |
|
| 1429 | struct inode_management {
|
| 1430 | struct radix_tree_root ino_root;
|
| 1431 | spinlock_t ino_lock;
|
| 1432 | struct list_head ino_list;
|
| 1433 | unsigned long ino_num;
|
| 1434 | };
|
| 1435 |
|
| 1436 |
|
| 1437 | struct atgc_management {
|
| 1438 | bool atgc_enabled;
|
| 1439 | struct rb_root_cached root;
|
| 1440 | struct list_head victim_list;
|
| 1441 | unsigned int victim_count;
|
| 1442 | unsigned int candidate_ratio;
|
| 1443 | unsigned int max_candidate_count;
|
| 1444 | unsigned int age_weight;
|
| 1445 | unsigned long long age_threshold;
|
| 1446 | };
|
| 1447 |
|
| 1448 | struct f2fs_time_stat {
|
| 1449 | unsigned long long total_time;
|
| 1450 | #ifdef CONFIG_64BIT
|
| 1451 | unsigned long long running_time;
|
| 1452 | #endif
|
| 1453 | #if defined(CONFIG_SCHED_INFO) && defined(CONFIG_SCHEDSTATS)
|
| 1454 | unsigned long long runnable_time;
|
| 1455 | #endif
|
| 1456 | #ifdef CONFIG_TASK_DELAY_ACCT
|
| 1457 | unsigned long long io_sleep_time;
|
| 1458 | #endif
|
| 1459 | };
|
| 1460 |
|
| 1461 | struct f2fs_lock_context {
|
| 1462 | struct f2fs_time_stat ts;
|
| 1463 | int orig_nice;
|
| 1464 | int new_nice;
|
| 1465 | bool lock_trace;
|
| 1466 | bool need_restore;
|
| 1467 | };
|
| 1468 |
|
| 1469 | struct f2fs_gc_control {
|
| 1470 | unsigned int victim_segno;
|
| 1471 | int init_gc_type;
|
| 1472 | bool no_bg_gc;
|
| 1473 | bool should_migrate_blocks;
|
| 1474 | bool err_gc_skipped;
|
| 1475 | bool one_time;
|
| 1476 | unsigned int nr_free_secs;
|
| 1477 | struct f2fs_lock_context lc;
|
| 1478 | };
|
| 1479 |
|
| 1480 | |
| 1481 | * For s_flag in struct f2fs_sb_info
|
| 1482 | * Modification on enum should be synchronized with s_flag array
|
| 1483 |
|
| 1484 | enum {
|
| 1485 | SBI_IS_DIRTY,
|
| 1486 | SBI_IS_CLOSE,
|
| 1487 | SBI_NEED_FSCK,
|
| 1488 | SBI_POR_DOING,
|
| 1489 | SBI_NEED_SB_WRITE,
|
| 1490 | SBI_NEED_CP,
|
| 1491 | SBI_IS_SHUTDOWN,
|
| 1492 | SBI_IS_RECOVERED,
|
| 1493 | SBI_CP_DISABLED,
|
| 1494 | SBI_CP_DISABLED_QUICK,
|
| 1495 | SBI_QUOTA_NEED_FLUSH,
|
| 1496 | SBI_QUOTA_SKIP_FLUSH,
|
| 1497 | SBI_QUOTA_NEED_REPAIR,
|
| 1498 | SBI_IS_RESIZEFS,
|
| 1499 | SBI_IS_FREEZING,
|
| 1500 | SBI_IS_WRITABLE,
|
| 1501 | SBI_ENABLE_CHECKPOINT,
|
| 1502 | MAX_SBI_FLAG,
|
| 1503 | };
|
| 1504 |
|
| 1505 | enum {
|
| 1506 | CP_TIME,
|
| 1507 | REQ_TIME,
|
| 1508 | DISCARD_TIME,
|
| 1509 | GC_TIME,
|
| 1510 | DISABLE_TIME,
|
| 1511 | UMOUNT_DISCARD_TIMEOUT,
|
| 1512 | MAX_TIME,
|
| 1513 | };
|
| 1514 |
|
| 1515 |
|
| 1516 | enum {
|
| 1517 | GC_NORMAL,
|
| 1518 | GC_IDLE_CB,
|
| 1519 | GC_IDLE_GREEDY,
|
| 1520 | GC_IDLE_AT,
|
| 1521 | GC_URGENT_HIGH,
|
| 1522 | GC_URGENT_LOW,
|
| 1523 | GC_URGENT_MID,
|
| 1524 | MAX_GC_MODE,
|
| 1525 | };
|
| 1526 |
|
| 1527 | enum {
|
| 1528 | BGGC_MODE_ON,
|
| 1529 | BGGC_MODE_OFF,
|
| 1530 | BGGC_MODE_SYNC, |
| 1531 | * background gc is on, migrating blocks
|
| 1532 | * like foreground gc
|
| 1533 |
|
| 1534 | };
|
| 1535 |
|
| 1536 | enum {
|
| 1537 | FS_MODE_ADAPTIVE,
|
| 1538 | FS_MODE_LFS,
|
| 1539 | FS_MODE_FRAGMENT_SEG,
|
| 1540 | FS_MODE_FRAGMENT_BLK,
|
| 1541 | };
|
| 1542 |
|
| 1543 | enum {
|
| 1544 | ALLOC_MODE_DEFAULT,
|
| 1545 | ALLOC_MODE_REUSE,
|
| 1546 | };
|
| 1547 |
|
| 1548 | enum fsync_mode {
|
| 1549 | FSYNC_MODE_POSIX,
|
| 1550 | FSYNC_MODE_STRICT,
|
| 1551 | FSYNC_MODE_NOBARRIER,
|
| 1552 | };
|
| 1553 |
|
| 1554 | enum {
|
| 1555 | COMPR_MODE_FS, |
| 1556 | * automatically compress compression
|
| 1557 | * enabled files
|
| 1558 |
|
| 1559 | COMPR_MODE_USER, |
| 1560 | * automatical compression is disabled.
|
| 1561 | * user can control the file compression
|
| 1562 | * using ioctls
|
| 1563 |
|
| 1564 | };
|
| 1565 |
|
| 1566 | enum {
|
| 1567 | DISCARD_UNIT_BLOCK,
|
| 1568 | DISCARD_UNIT_SEGMENT,
|
| 1569 | DISCARD_UNIT_SECTION,
|
| 1570 | };
|
| 1571 |
|
| 1572 | enum {
|
| 1573 | MEMORY_MODE_NORMAL,
|
| 1574 | MEMORY_MODE_LOW,
|
| 1575 | };
|
| 1576 |
|
| 1577 | enum errors_option {
|
| 1578 | MOUNT_ERRORS_READONLY,
|
| 1579 | MOUNT_ERRORS_CONTINUE,
|
| 1580 | MOUNT_ERRORS_PANIC,
|
| 1581 | };
|
| 1582 |
|
| 1583 | enum {
|
| 1584 | BACKGROUND,
|
| 1585 | FOREGROUND,
|
| 1586 | MAX_CALL_TYPE,
|
| 1587 | TOTAL_CALL = FOREGROUND,
|
| 1588 | };
|
| 1589 |
|
| 1590 | enum f2fs_lookup_mode {
|
| 1591 | LOOKUP_PERF,
|
| 1592 | LOOKUP_COMPAT,
|
| 1593 | LOOKUP_AUTO,
|
| 1594 | };
|
| 1595 |
|
| 1596 |
|
| 1597 | enum node_type {
|
| 1598 | NODE_TYPE_REGULAR,
|
| 1599 | NODE_TYPE_INODE,
|
| 1600 | NODE_TYPE_XATTR,
|
| 1601 | NODE_TYPE_NON_INODE,
|
| 1602 | NODE_TYPE_NON_IXNODE,
|
| 1603 | };
|
| 1604 |
|
| 1605 |
|
| 1606 | #define MAX_LOCK_ELAPSED_TIME 500
|
| 1607 |
|
| 1608 | #define F2FS_DEFAULT_TASK_PRIORITY (DEFAULT_PRIO)
|
| 1609 | #define F2FS_CRITICAL_TASK_PRIORITY NICE_TO_PRIO(0)
|
| 1610 |
|
| 1611 | static inline int f2fs_test_bit(unsigned int nr, char *addr);
|
| 1612 | static inline void f2fs_set_bit(unsigned int nr, char *addr);
|
| 1613 | static inline void f2fs_clear_bit(unsigned int nr, char *addr);
|
| 1614 |
|
| 1615 | |
| 1616 | * Layout of f2fs page.private:
|
| 1617 | *
|
| 1618 | * Layout A: lowest bit should be 1
|
| 1619 | * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
|
| 1620 | * bit 0 PAGE_PRIVATE_NOT_POINTER
|
| 1621 | * bit 1 PAGE_PRIVATE_ONGOING_MIGRATION
|
| 1622 | * bit 2 PAGE_PRIVATE_INLINE_INODE
|
| 1623 | * bit 3 PAGE_PRIVATE_REF_RESOURCE
|
| 1624 | * bit 4 PAGE_PRIVATE_ATOMIC_WRITE
|
| 1625 | * bit 5- f2fs private data
|
| 1626 | *
|
| 1627 | * Layout B: lowest bit should be 0
|
| 1628 | * page.private is a wrapped pointer.
|
| 1629 |
|
| 1630 | enum {
|
| 1631 | PAGE_PRIVATE_NOT_POINTER,
|
| 1632 | PAGE_PRIVATE_ONGOING_MIGRATION,
|
| 1633 | PAGE_PRIVATE_INLINE_INODE,
|
| 1634 | PAGE_PRIVATE_REF_RESOURCE,
|
| 1635 | PAGE_PRIVATE_ATOMIC_WRITE,
|
| 1636 | PAGE_PRIVATE_MAX
|
| 1637 | };
|
| 1638 |
|
| 1639 |
|
| 1640 | enum compress_algorithm_type {
|
| 1641 | COMPRESS_LZO,
|
| 1642 | COMPRESS_LZ4,
|
| 1643 | COMPRESS_ZSTD,
|
| 1644 | COMPRESS_LZORLE,
|
| 1645 | COMPRESS_MAX,
|
| 1646 | };
|
| 1647 |
|
| 1648 | enum compress_flag {
|
| 1649 | COMPRESS_CHKSUM,
|
| 1650 | COMPRESS_MAX_FLAG,
|
| 1651 | };
|
| 1652 |
|
| 1653 | #define COMPRESS_WATERMARK 20
|
| 1654 | #define COMPRESS_PERCENT 20
|
| 1655 |
|
| 1656 | #define COMPRESS_DATA_RESERVED_SIZE 4
|
| 1657 | struct compress_data {
|
| 1658 | __le32 clen;
|
| 1659 | __le32 chksum;
|
| 1660 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE];
|
| 1661 | u8 cdata[];
|
| 1662 | };
|
| 1663 |
|
| 1664 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
|
| 1665 |
|
| 1666 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
|
| 1667 |
|
| 1668 | #define F2FS_ZSTD_DEFAULT_CLEVEL 1
|
| 1669 |
|
| 1670 | #define COMPRESS_LEVEL_OFFSET 8
|
| 1671 |
|
| 1672 |
|
| 1673 | struct compress_ctx {
|
| 1674 | struct inode *inode;
|
| 1675 | pgoff_t cluster_idx;
|
| 1676 | unsigned int cluster_size;
|
| 1677 | unsigned int log_cluster_size;
|
| 1678 | struct page **rpages;
|
| 1679 | unsigned int nr_rpages;
|
| 1680 | struct page **cpages;
|
| 1681 | unsigned int nr_cpages;
|
| 1682 | unsigned int valid_nr_cpages;
|
| 1683 | void *rbuf;
|
| 1684 | struct compress_data *cbuf;
|
| 1685 | size_t rlen;
|
| 1686 | size_t clen;
|
| 1687 | void *private;
|
| 1688 | void *private2;
|
| 1689 | struct fsverity_info *vi;
|
| 1690 | };
|
| 1691 |
|
| 1692 |
|
| 1693 | struct compress_io_ctx {
|
| 1694 | u32 magic;
|
| 1695 | struct inode *inode;
|
| 1696 | struct page **rpages;
|
| 1697 | unsigned int nr_rpages;
|
| 1698 | atomic_t pending_pages;
|
| 1699 | };
|
| 1700 |
|
| 1701 |
|
| 1702 | struct decompress_io_ctx {
|
| 1703 | u32 magic;
|
| 1704 | struct inode *inode;
|
| 1705 | struct f2fs_sb_info *sbi;
|
| 1706 | pgoff_t cluster_idx;
|
| 1707 | unsigned int cluster_size;
|
| 1708 | unsigned int log_cluster_size;
|
| 1709 | struct page **rpages;
|
| 1710 | unsigned int nr_rpages;
|
| 1711 | struct page **cpages;
|
| 1712 | unsigned int nr_cpages;
|
| 1713 | struct page **tpages;
|
| 1714 | void *rbuf;
|
| 1715 | struct compress_data *cbuf;
|
| 1716 | size_t rlen;
|
| 1717 | size_t clen;
|
| 1718 |
|
| 1719 | |
| 1720 | * The number of compressed pages remaining to be read in this cluster.
|
| 1721 | * This is initially nr_cpages. It is decremented by 1 each time a page
|
| 1722 | * has been read (or failed to be read). When it reaches 0, the cluster
|
| 1723 | * is decompressed (or an error is reported).
|
| 1724 | *
|
| 1725 | * If an error occurs before all the pages have been submitted for I/O,
|
| 1726 | * then this will never reach 0. In this case the I/O submitter is
|
| 1727 | * responsible for calling f2fs_decompress_end_io() instead.
|
| 1728 |
|
| 1729 | atomic_t remaining_pages;
|
| 1730 |
|
| 1731 | |
| 1732 | * Number of references to this decompress_io_ctx.
|
| 1733 | *
|
| 1734 | * One reference is held for I/O completion. This reference is dropped
|
| 1735 | * after the pagecache pages are updated and unlocked -- either after
|
| 1736 | * decompression (and verity if enabled), or after an error.
|
| 1737 | *
|
| 1738 | * In addition, each compressed page holds a reference while it is in a
|
| 1739 | * bio. These references are necessary prevent compressed pages from
|
| 1740 | * being freed while they are still in a bio.
|
| 1741 |
|
| 1742 | refcount_t refcnt;
|
| 1743 |
|
| 1744 | bool failed;
|
| 1745 | struct fsverity_info *vi;
|
| 1746 | unsigned char compress_algorithm;
|
| 1747 | void *private;
|
| 1748 | void *private2;
|
| 1749 | struct work_struct verity_work;
|
| 1750 | struct work_struct free_work;
|
| 1751 | };
|
| 1752 |
|
| 1753 | #define NULL_CLUSTER ((unsigned int)(~0))
|
| 1754 | #define MIN_COMPRESS_LOG_SIZE 2
|
| 1755 | #define MAX_COMPRESS_LOG_SIZE 8
|
| 1756 | #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
|
| 1757 |
|
| 1758 | struct f2fs_gc_kthread {
|
| 1759 | struct task_struct *f2fs_gc_task;
|
| 1760 | wait_queue_head_t gc_wait_queue_head;
|
| 1761 |
|
| 1762 |
|
| 1763 | unsigned int urgent_sleep_time;
|
| 1764 | unsigned int min_sleep_time;
|
| 1765 | unsigned int max_sleep_time;
|
| 1766 | unsigned int no_gc_sleep_time;
|
| 1767 |
|
| 1768 |
|
| 1769 | bool gc_wake;
|
| 1770 |
|
| 1771 |
|
| 1772 | wait_queue_head_t fggc_wq; |
| 1773 | * caller of f2fs_balance_fs()
|
| 1774 | * will wait on this wait queue.
|
| 1775 |
|
| 1776 |
|
| 1777 |
|
| 1778 | unsigned int no_zoned_gc_percent;
|
| 1779 | unsigned int boost_zoned_gc_percent;
|
| 1780 | unsigned int valid_thresh_ratio;
|
| 1781 | unsigned int boost_gc_multiple;
|
| 1782 | unsigned int boost_gc_greedy;
|
| 1783 | };
|
| 1784 |
|
| 1785 | struct f2fs_sb_info {
|
| 1786 | struct super_block *sb;
|
| 1787 | struct proc_dir_entry *s_proc;
|
| 1788 | struct f2fs_super_block *raw_super;
|
| 1789 | struct f2fs_rwsem sb_lock;
|
| 1790 | int valid_super_block;
|
| 1791 | unsigned long s_flag;
|
| 1792 | struct mutex writepages;
|
| 1793 |
|
| 1794 | #ifdef CONFIG_BLK_DEV_ZONED
|
| 1795 | unsigned int blocks_per_blkz;
|
| 1796 | unsigned int unusable_blocks_per_sec;
|
| 1797 | unsigned int max_open_zones;
|
| 1798 |
|
| 1799 | unsigned int blkzone_alloc_policy;
|
| 1800 | #endif
|
| 1801 |
|
| 1802 |
|
| 1803 | struct f2fs_nm_info *nm_info;
|
| 1804 | struct inode *node_inode;
|
| 1805 |
|
| 1806 |
|
| 1807 | struct f2fs_sm_info *sm_info;
|
| 1808 |
|
| 1809 |
|
| 1810 |
|
| 1811 | u32 max_atc_write_bio_size;
|
| 1812 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE];
|
| 1813 |
|
| 1814 | struct f2fs_rwsem io_order_lock;
|
| 1815 | pgoff_t page_eio_ofs[NR_PAGE_TYPE];
|
| 1816 | int page_eio_cnt[NR_PAGE_TYPE];
|
| 1817 |
|
| 1818 |
|
| 1819 | struct f2fs_checkpoint *ckpt;
|
| 1820 | int cur_cp_pack;
|
| 1821 | spinlock_t cp_lock;
|
| 1822 | struct inode *meta_inode;
|
| 1823 | struct f2fs_rwsem cp_global_sem;
|
| 1824 | struct f2fs_rwsem cp_rwsem;
|
| 1825 | struct f2fs_rwsem node_write;
|
| 1826 | struct f2fs_rwsem node_change;
|
| 1827 | wait_queue_head_t cp_wait;
|
| 1828 | unsigned long last_time[MAX_TIME];
|
| 1829 | long interval_time[MAX_TIME];
|
| 1830 | struct ckpt_req_control cprc_info;
|
| 1831 | struct cp_stats cp_stats;
|
| 1832 |
|
| 1833 | struct inode_management im[MAX_INO_ENTRY];
|
| 1834 |
|
| 1835 | spinlock_t fsync_node_lock;
|
| 1836 | struct list_head fsync_node_list;
|
| 1837 | unsigned int fsync_seg_id;
|
| 1838 | unsigned int fsync_node_num;
|
| 1839 |
|
| 1840 |
|
| 1841 | unsigned int max_orphans;
|
| 1842 |
|
| 1843 |
|
| 1844 | struct list_head inode_list[NR_INODE_TYPE];
|
| 1845 | spinlock_t inode_lock[NR_INODE_TYPE];
|
| 1846 | struct mutex flush_lock;
|
| 1847 |
|
| 1848 |
|
| 1849 | struct extent_tree_info extent_tree[NR_EXTENT_CACHES];
|
| 1850 | atomic64_t allocated_data_blocks;
|
| 1851 | unsigned int max_read_extent_count;
|
| 1852 |
|
| 1853 |
|
| 1854 | unsigned int hot_data_age_threshold;
|
| 1855 | unsigned int warm_data_age_threshold;
|
| 1856 | unsigned int last_age_weight;
|
| 1857 |
|
| 1858 |
|
| 1859 | unsigned int donate_files;
|
| 1860 |
|
| 1861 |
|
| 1862 | unsigned int log_sectors_per_block;
|
| 1863 | unsigned int log_blocksize;
|
| 1864 | unsigned int blocksize;
|
| 1865 | unsigned int root_ino_num;
|
| 1866 | unsigned int node_ino_num;
|
| 1867 | unsigned int meta_ino_num;
|
| 1868 | unsigned int log_blocks_per_seg;
|
| 1869 | unsigned int blocks_per_seg;
|
| 1870 | unsigned int segs_per_sec;
|
| 1871 | unsigned int secs_per_zone;
|
| 1872 | unsigned int total_sections;
|
| 1873 | unsigned int total_node_count;
|
| 1874 | unsigned int total_valid_node_count;
|
| 1875 | int dir_level;
|
| 1876 | bool readdir_ra;
|
| 1877 | unsigned int max_io_bytes;
|
| 1878 |
|
| 1879 |
|
| 1880 | unsigned int sum_blocksize;
|
| 1881 | unsigned int sums_per_block;
|
| 1882 | unsigned int entries_in_sum;
|
| 1883 | unsigned int sum_entry_size;
|
| 1884 | unsigned int sum_journal_size;
|
| 1885 | unsigned int nat_journal_entries;
|
| 1886 | unsigned int sit_journal_entries;
|
| 1887 |
|
| 1888 | block_t user_block_count;
|
| 1889 | block_t total_valid_block_count;
|
| 1890 | block_t discard_blks;
|
| 1891 | block_t last_valid_block_count;
|
| 1892 | block_t reserved_blocks;
|
| 1893 | block_t current_reserved_blocks;
|
| 1894 | block_t alias_reserved_blocks;
|
| 1895 |
|
| 1896 |
|
| 1897 | block_t unusable_block_count;
|
| 1898 |
|
| 1899 | unsigned int nquota_files;
|
| 1900 | struct f2fs_rwsem quota_sem;
|
| 1901 | struct task_struct *umount_lock_holder;
|
| 1902 |
|
| 1903 |
|
| 1904 | atomic_t nr_pages[NR_COUNT_TYPE];
|
| 1905 |
|
| 1906 | struct percpu_counter alloc_valid_block_count;
|
| 1907 |
|
| 1908 | struct percpu_counter rf_node_block_count;
|
| 1909 |
|
| 1910 |
|
| 1911 | atomic_t wb_sync_req[META];
|
| 1912 |
|
| 1913 |
|
| 1914 | struct percpu_counter total_valid_inode_count;
|
| 1915 |
|
| 1916 | struct f2fs_mount_info mount_opt;
|
| 1917 |
|
| 1918 |
|
| 1919 | struct f2fs_rwsem gc_lock; |
| 1920 | * semaphore for GC, avoid
|
| 1921 | * race between GC and GC or CP
|
| 1922 |
|
| 1923 | struct f2fs_gc_kthread gc_thread;
|
| 1924 | struct atgc_management am;
|
| 1925 | unsigned int cur_victim_sec;
|
| 1926 | unsigned int gc_mode;
|
| 1927 | unsigned int next_victim_seg[2];
|
| 1928 | spinlock_t gc_remaining_trials_lock;
|
| 1929 |
|
| 1930 | unsigned int gc_remaining_trials;
|
| 1931 |
|
| 1932 |
|
| 1933 | unsigned long long skipped_gc_rwsem;
|
| 1934 |
|
| 1935 |
|
| 1936 | unsigned int reserved_pin_section;
|
| 1937 |
|
| 1938 |
|
| 1939 | unsigned short gc_pin_file_threshold;
|
| 1940 | struct f2fs_rwsem pin_sem;
|
| 1941 |
|
| 1942 |
|
| 1943 | unsigned int max_victim_search;
|
| 1944 |
|
| 1945 | unsigned int migration_granularity;
|
| 1946 |
|
| 1947 | unsigned int migration_window_granularity;
|
| 1948 |
|
| 1949 | |
| 1950 | * for stat information.
|
| 1951 | * one is for the LFS mode, and the other is for the SSR mode.
|
| 1952 |
|
| 1953 | #ifdef CONFIG_F2FS_STAT_FS
|
| 1954 | struct f2fs_stat_info *stat_info;
|
| 1955 | atomic_t meta_count[META_MAX];
|
| 1956 | unsigned int segment_count[2];
|
| 1957 | unsigned int block_count[2];
|
| 1958 | atomic_t inplace_count;
|
| 1959 |
|
| 1960 | atomic64_t total_hit_ext[NR_EXTENT_CACHES];
|
| 1961 |
|
| 1962 | atomic64_t read_hit_rbtree[NR_EXTENT_CACHES];
|
| 1963 |
|
| 1964 | atomic64_t read_hit_cached[NR_EXTENT_CACHES];
|
| 1965 |
|
| 1966 | atomic64_t read_hit_largest;
|
| 1967 | atomic_t inline_xattr;
|
| 1968 | atomic_t inline_inode;
|
| 1969 | atomic_t inline_dir;
|
| 1970 | atomic_t compr_inode;
|
| 1971 | atomic64_t compr_blocks;
|
| 1972 | atomic_t swapfile_inode;
|
| 1973 | atomic_t atomic_files;
|
| 1974 | atomic_t max_aw_cnt;
|
| 1975 | unsigned int io_skip_bggc;
|
| 1976 | unsigned int other_skip_bggc;
|
| 1977 | unsigned int ndirty_inode[NR_INODE_TYPE];
|
| 1978 | atomic_t cp_call_count[MAX_CALL_TYPE];
|
| 1979 | #endif
|
| 1980 | spinlock_t stat_lock;
|
| 1981 |
|
| 1982 |
|
| 1983 | unsigned int data_io_flag;
|
| 1984 | unsigned int node_io_flag;
|
| 1985 |
|
| 1986 |
|
| 1987 | struct kobject s_kobj;
|
| 1988 | struct completion s_kobj_unregister;
|
| 1989 |
|
| 1990 | struct kobject s_stat_kobj;
|
| 1991 | struct completion s_stat_kobj_unregister;
|
| 1992 |
|
| 1993 | struct kobject s_feature_list_kobj;
|
| 1994 | struct completion s_feature_list_kobj_unregister;
|
| 1995 |
|
| 1996 |
|
| 1997 | struct list_head s_list;
|
| 1998 | struct mutex umount_mutex;
|
| 1999 | unsigned int shrinker_run_no;
|
| 2000 |
|
| 2001 |
|
| 2002 | int s_ndevs;
|
| 2003 | struct f2fs_dev_info *devs;
|
| 2004 | unsigned int dirty_device;
|
| 2005 | spinlock_t dev_lock;
|
| 2006 | bool aligned_blksize;
|
| 2007 | unsigned int first_seq_zone_segno;
|
| 2008 | unsigned int pinned_area_max_secno;
|
| 2009 | unsigned int bggc_io_aware;
|
| 2010 | unsigned int allocate_section_hint;
|
| 2011 | unsigned int allocate_section_policy;
|
| 2012 |
|
| 2013 |
|
| 2014 | u64 sectors_written_start;
|
| 2015 | u64 kbytes_written;
|
| 2016 |
|
| 2017 |
|
| 2018 | __u32 s_chksum_seed;
|
| 2019 |
|
| 2020 | struct workqueue_struct *wq;
|
| 2021 |
|
| 2022 | struct workqueue_struct *evict_wq;
|
| 2023 |
|
| 2024 | |
| 2025 | * If we are in irq context, let's update error information into
|
| 2026 | * on-disk superblock in the work.
|
| 2027 |
|
| 2028 | struct work_struct s_error_work;
|
| 2029 | unsigned char errors[MAX_F2FS_ERRORS];
|
| 2030 | unsigned char stop_reason[MAX_STOP_REASON];
|
| 2031 | spinlock_t error_lock;
|
| 2032 | bool error_dirty;
|
| 2033 | bool stop_reason_dirty;
|
| 2034 |
|
| 2035 |
|
| 2036 | unsigned int gc_segment_mode;
|
| 2037 | unsigned int gc_reclaimed_segs[MAX_GC_MODE];
|
| 2038 |
|
| 2039 | unsigned int seq_file_ra_mul;
|
| 2040 |
|
| 2041 | int max_fragment_chunk;
|
| 2042 | int max_fragment_hole;
|
| 2043 |
|
| 2044 |
|
| 2045 | atomic64_t current_atomic_write;
|
| 2046 | s64 peak_atomic_write;
|
| 2047 | u64 committed_atomic_block;
|
| 2048 | u64 revoked_atomic_block;
|
| 2049 |
|
| 2050 |
|
| 2051 | bool carve_out;
|
| 2052 |
|
| 2053 |
|
| 2054 | unsigned long long max_lock_elapsed_time;
|
| 2055 |
|
| 2056 |
|
| 2057 | unsigned int adjust_lock_priority;
|
| 2058 |
|
| 2059 |
|
| 2060 | unsigned int lock_duration_priority;
|
| 2061 |
|
| 2062 |
|
| 2063 | long critical_task_priority;
|
| 2064 |
|
| 2065 | #ifdef CONFIG_F2FS_FS_COMPRESSION
|
| 2066 | struct kmem_cache *page_array_slab;
|
| 2067 | unsigned int page_array_slab_size;
|
| 2068 |
|
| 2069 |
|
| 2070 | u64 compr_written_block;
|
| 2071 | u64 compr_saved_block;
|
| 2072 | u32 compr_new_inode;
|
| 2073 |
|
| 2074 |
|
| 2075 | struct inode *compress_inode;
|
| 2076 | unsigned int compress_percent;
|
| 2077 | unsigned int compress_watermark;
|
| 2078 | atomic_t compress_page_hit;
|
| 2079 | #endif
|
| 2080 |
|
| 2081 | #ifdef CONFIG_F2FS_IOSTAT
|
| 2082 |
|
| 2083 | spinlock_t iostat_lock;
|
| 2084 | unsigned long long iostat_count[NR_IO_TYPE];
|
| 2085 | unsigned long long iostat_bytes[NR_IO_TYPE];
|
| 2086 | unsigned long long prev_iostat_bytes[NR_IO_TYPE];
|
| 2087 | unsigned long long iostat_read_folio_count[NR_PAGE_ORDERS];
|
| 2088 | unsigned long long prev_iostat_read_folio_count[NR_PAGE_ORDERS];
|
| 2089 | bool iostat_enable;
|
| 2090 | unsigned long iostat_next_period;
|
| 2091 | unsigned int iostat_period_ms;
|
| 2092 |
|
| 2093 |
|
| 2094 | spinlock_t iostat_lat_lock;
|
| 2095 | struct iostat_lat_info *iostat_io_lat;
|
| 2096 | #endif
|
| 2097 | #ifdef CONFIG_DEBUG_LOCK_ALLOC
|
| 2098 | struct lock_class_key cp_global_sem_key;
|
| 2099 | #endif
|
| 2100 | };
|
| 2101 |
|
| 2102 |
|
| 2103 | #define SEGS_TO_BLKS(sbi, segs) \
|
| 2104 | ((segs) << (sbi)->log_blocks_per_seg)
|
| 2105 | #define BLKS_TO_SEGS(sbi, blks) \
|
| 2106 | ((blks) >> (sbi)->log_blocks_per_seg)
|
| 2107 |
|
| 2108 | #define BLKS_PER_SEG(sbi) ((sbi)->blocks_per_seg)
|
| 2109 | #define BLKS_PER_SEC(sbi) (SEGS_TO_BLKS(sbi, (sbi)->segs_per_sec))
|
| 2110 | #define SEGS_PER_SEC(sbi) ((sbi)->segs_per_sec)
|
| 2111 |
|
| 2112 | __printf(3, 4)
|
| 2113 | void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate, const char *fmt, ...);
|
| 2114 |
|
| 2115 | #define f2fs_err(sbi, fmt, ...) \
|
| 2116 | f2fs_printk(sbi, false, KERN_ERR fmt, ##__VA_ARGS__)
|
| 2117 | #define f2fs_warn(sbi, fmt, ...) \
|
| 2118 | f2fs_printk(sbi, false, KERN_WARNING fmt, ##__VA_ARGS__)
|
| 2119 | #define f2fs_notice(sbi, fmt, ...) \
|
| 2120 | f2fs_printk(sbi, false, KERN_NOTICE fmt, ##__VA_ARGS__)
|
| 2121 | #define f2fs_info(sbi, fmt, ...) \
|
| 2122 | f2fs_printk(sbi, false, KERN_INFO fmt, ##__VA_ARGS__)
|
| 2123 | #define f2fs_debug(sbi, fmt, ...) \
|
| 2124 | f2fs_printk(sbi, false, KERN_DEBUG fmt, ##__VA_ARGS__)
|
| 2125 |
|
| 2126 | #define f2fs_err_ratelimited(sbi, fmt, ...) \
|
| 2127 | f2fs_printk(sbi, true, KERN_ERR fmt, ##__VA_ARGS__)
|
| 2128 | #define f2fs_warn_ratelimited(sbi, fmt, ...) \
|
| 2129 | f2fs_printk(sbi, true, KERN_WARNING fmt, ##__VA_ARGS__)
|
| 2130 | #define f2fs_info_ratelimited(sbi, fmt, ...) \
|
| 2131 | f2fs_printk(sbi, true, KERN_INFO fmt, ##__VA_ARGS__)
|
| 2132 |
|
| 2133 | #ifdef CONFIG_F2FS_FAULT_INJECTION
|
| 2134 | #define time_to_inject(sbi, type) __time_to_inject(sbi, type, __func__, \
|
| 2135 | __builtin_return_address(0))
|
| 2136 | static inline bool __time_to_inject(struct f2fs_sb_info *sbi, int type,
|
| 2137 | const char *func, const char *parent_func)
|
| 2138 | {
|
| 2139 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
|
| 2140 |
|
| 2141 | if (!ffi->inject_rate)
|
| 2142 | return false;
|
| 2143 |
|
| 2144 | if (!IS_FAULT_SET(ffi, type))
|
| 2145 | return false;
|
| 2146 |
|
| 2147 | atomic_inc(&ffi->inject_ops);
|
| 2148 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
|
| 2149 | atomic_set(&ffi->inject_ops, 0);
|
| 2150 | ffi->inject_count[type]++;
|
| 2151 | f2fs_info_ratelimited(sbi, "inject %s in %s of %pS",
|
| 2152 | f2fs_fault_name[type], func, parent_func);
|
| 2153 | return true;
|
| 2154 | }
|
| 2155 | return false;
|
| 2156 | }
|
| 2157 | #else
|
| 2158 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
|
| 2159 | {
|
| 2160 | return false;
|
| 2161 | }
|
| 2162 | #endif
|
| 2163 |
|
| 2164 | |
| 2165 | * Test if the mounted volume is a multi-device volume.
|
| 2166 | * - For a single regular disk volume, sbi->s_ndevs is 0.
|
| 2167 | * - For a single zoned disk volume, sbi->s_ndevs is 1.
|
| 2168 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
|
| 2169 |
|
| 2170 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
|
| 2171 | {
|
| 2172 | return sbi->s_ndevs > 1;
|
| 2173 | }
|
| 2174 |
|
| 2175 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
|
| 2176 | {
|
| 2177 | unsigned long now = jiffies;
|
| 2178 |
|
| 2179 | WRITE_ONCE(sbi->last_time[type], now);
|
| 2180 |
|
| 2181 |
|
| 2182 | if (type == REQ_TIME) {
|
| 2183 | WRITE_ONCE(sbi->last_time[DISCARD_TIME], now);
|
| 2184 | WRITE_ONCE(sbi->last_time[GC_TIME], now);
|
| 2185 | }
|
| 2186 | }
|
| 2187 |
|
| 2188 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
|
| 2189 | {
|
| 2190 | unsigned long interval = sbi->interval_time[type] * HZ;
|
| 2191 |
|
| 2192 | return time_after(jiffies, READ_ONCE(sbi->last_time[type]) + interval);
|
| 2193 | }
|
| 2194 |
|
| 2195 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
|
| 2196 | int type)
|
| 2197 | {
|
| 2198 | unsigned long interval = sbi->interval_time[type] * HZ;
|
| 2199 | unsigned int wait_ms = 0;
|
| 2200 | long delta;
|
| 2201 |
|
| 2202 | delta = (READ_ONCE(sbi->last_time[type]) + interval) - jiffies;
|
| 2203 | if (delta > 0)
|
| 2204 | wait_ms = jiffies_to_msecs(delta);
|
| 2205 |
|
| 2206 | return wait_ms;
|
| 2207 | }
|
| 2208 |
|
| 2209 | |
| 2210 | * Inline functions
|
| 2211 |
|
| 2212 | static inline u32 __f2fs_crc32(u32 crc, const void *address,
|
| 2213 | unsigned int length)
|
| 2214 | {
|
| 2215 | return crc32(crc, address, length);
|
| 2216 | }
|
| 2217 |
|
| 2218 | static inline u32 f2fs_crc32(const void *address, unsigned int length)
|
| 2219 | {
|
| 2220 | return __f2fs_crc32(F2FS_SUPER_MAGIC, address, length);
|
| 2221 | }
|
| 2222 |
|
| 2223 | static inline u32 f2fs_chksum(u32 crc, const void *address, unsigned int length)
|
| 2224 | {
|
| 2225 | return __f2fs_crc32(crc, address, length);
|
| 2226 | }
|
| 2227 |
|
| 2228 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
|
| 2229 | {
|
| 2230 | return container_of(inode, struct f2fs_inode_info, vfs_inode);
|
| 2231 | }
|
| 2232 |
|
| 2233 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
|
| 2234 | {
|
| 2235 | return sb->s_fs_info;
|
| 2236 | }
|
| 2237 |
|
| 2238 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
|
| 2239 | {
|
| 2240 | return F2FS_SB(inode->i_sb);
|
| 2241 | }
|
| 2242 |
|
| 2243 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
|
| 2244 | {
|
| 2245 | return F2FS_I_SB(mapping->host);
|
| 2246 | }
|
| 2247 |
|
| 2248 | static inline struct f2fs_sb_info *F2FS_F_SB(const struct folio *folio)
|
| 2249 | {
|
| 2250 | return F2FS_M_SB(folio->mapping);
|
| 2251 | }
|
| 2252 |
|
| 2253 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
|
| 2254 | {
|
| 2255 | return (struct f2fs_super_block *)(sbi->raw_super);
|
| 2256 | }
|
| 2257 |
|
| 2258 | static inline struct f2fs_super_block *F2FS_SUPER_BLOCK(struct folio *folio,
|
| 2259 | pgoff_t index)
|
| 2260 | {
|
| 2261 | pgoff_t idx_in_folio = index % folio_nr_pages(folio);
|
| 2262 |
|
| 2263 | return (struct f2fs_super_block *)
|
| 2264 | (page_address(folio_page(folio, idx_in_folio)) +
|
| 2265 | F2FS_SUPER_OFFSET);
|
| 2266 | }
|
| 2267 |
|
| 2268 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
|
| 2269 | {
|
| 2270 | return (struct f2fs_checkpoint *)(sbi->ckpt);
|
| 2271 | }
|
| 2272 |
|
| 2273 | static inline struct f2fs_node *F2FS_NODE(const struct folio *folio)
|
| 2274 | {
|
| 2275 | return (struct f2fs_node *)folio_address(folio);
|
| 2276 | }
|
| 2277 |
|
| 2278 | static inline struct f2fs_inode *F2FS_INODE(const struct folio *folio)
|
| 2279 | {
|
| 2280 | return &((struct f2fs_node *)folio_address(folio))->i;
|
| 2281 | }
|
| 2282 |
|
| 2283 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
|
| 2284 | {
|
| 2285 | return (struct f2fs_nm_info *)(sbi->nm_info);
|
| 2286 | }
|
| 2287 |
|
| 2288 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
|
| 2289 | {
|
| 2290 | return (struct f2fs_sm_info *)(sbi->sm_info);
|
| 2291 | }
|
| 2292 |
|
| 2293 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
|
| 2294 | {
|
| 2295 | return (struct sit_info *)(SM_I(sbi)->sit_info);
|
| 2296 | }
|
| 2297 |
|
| 2298 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
|
| 2299 | {
|
| 2300 | return (struct free_segmap_info *)(SM_I(sbi)->free_info);
|
| 2301 | }
|
| 2302 |
|
| 2303 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
|
| 2304 | {
|
| 2305 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
|
| 2306 | }
|
| 2307 |
|
| 2308 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
|
| 2309 | {
|
| 2310 | return sbi->meta_inode->i_mapping;
|
| 2311 | }
|
| 2312 |
|
| 2313 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
|
| 2314 | {
|
| 2315 | return sbi->node_inode->i_mapping;
|
| 2316 | }
|
| 2317 |
|
| 2318 | static inline bool is_meta_folio(struct folio *folio)
|
| 2319 | {
|
| 2320 | return folio->mapping == META_MAPPING(F2FS_F_SB(folio));
|
| 2321 | }
|
| 2322 |
|
| 2323 | static inline bool is_node_folio(struct folio *folio)
|
| 2324 | {
|
| 2325 | return folio->mapping == NODE_MAPPING(F2FS_F_SB(folio));
|
| 2326 | }
|
| 2327 |
|
| 2328 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
|
| 2329 | {
|
| 2330 | return test_bit(type, &sbi->s_flag);
|
| 2331 | }
|
| 2332 |
|
| 2333 | static inline void __set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
|
| 2334 | {
|
| 2335 | set_bit(type, &sbi->s_flag);
|
| 2336 | }
|
| 2337 |
|
| 2338 | #define set_sbi_flag(sbi, type) \
|
| 2339 | do { \
|
| 2340 | __set_sbi_flag(sbi, type); \
|
| 2341 | if ((type) == SBI_NEED_FSCK) \
|
| 2342 | f2fs_fault_report(sbi->sb, REPORT_FAULT_NEED_FSCK, __func__, __LINE__); \
|
| 2343 | } while (0)
|
| 2344 |
|
| 2345 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
|
| 2346 | {
|
| 2347 | clear_bit(type, &sbi->s_flag);
|
| 2348 | }
|
| 2349 |
|
| 2350 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
|
| 2351 | {
|
| 2352 | return le64_to_cpu(cp->checkpoint_ver);
|
| 2353 | }
|
| 2354 |
|
| 2355 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
|
| 2356 | {
|
| 2357 | if (type < F2FS_MAX_QUOTAS)
|
| 2358 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
|
| 2359 | return 0;
|
| 2360 | }
|
| 2361 |
|
| 2362 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
|
| 2363 | {
|
| 2364 | size_t crc_offset = le32_to_cpu(cp->checksum_offset);
|
| 2365 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
|
| 2366 | }
|
| 2367 |
|
| 2368 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
|
| 2369 | {
|
| 2370 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
|
| 2371 |
|
| 2372 | return ckpt_flags & f;
|
| 2373 | }
|
| 2374 |
|
| 2375 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
|
| 2376 | {
|
| 2377 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
|
| 2378 | }
|
| 2379 |
|
| 2380 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
|
| 2381 | {
|
| 2382 | unsigned int ckpt_flags;
|
| 2383 |
|
| 2384 | ckpt_flags = le32_to_cpu(cp->ckpt_flags);
|
| 2385 | ckpt_flags |= f;
|
| 2386 | cp->ckpt_flags = cpu_to_le32(ckpt_flags);
|
| 2387 | }
|
| 2388 |
|
| 2389 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
|
| 2390 | {
|
| 2391 | unsigned long flags;
|
| 2392 |
|
| 2393 | spin_lock_irqsave(&sbi->cp_lock, flags);
|
| 2394 | __set_ckpt_flags(F2FS_CKPT(sbi), f);
|
| 2395 | spin_unlock_irqrestore(&sbi->cp_lock, flags);
|
| 2396 | }
|
| 2397 |
|
| 2398 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
|
| 2399 | {
|
| 2400 | unsigned int ckpt_flags;
|
| 2401 |
|
| 2402 | ckpt_flags = le32_to_cpu(cp->ckpt_flags);
|
| 2403 | ckpt_flags &= (~f);
|
| 2404 | cp->ckpt_flags = cpu_to_le32(ckpt_flags);
|
| 2405 | }
|
| 2406 |
|
| 2407 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
|
| 2408 | {
|
| 2409 | unsigned long flags;
|
| 2410 |
|
| 2411 | spin_lock_irqsave(&sbi->cp_lock, flags);
|
| 2412 | __clear_ckpt_flags(F2FS_CKPT(sbi), f);
|
| 2413 | spin_unlock_irqrestore(&sbi->cp_lock, flags);
|
| 2414 | }
|
| 2415 |
|
| 2416 | #define init_f2fs_rwsem(sem) __init_f2fs_rwsem(sem, NULL, LOCK_NAME_NONE)
|
| 2417 | #define init_f2fs_rwsem_trace __init_f2fs_rwsem
|
| 2418 |
|
| 2419 | #define __init_f2fs_rwsem(sem, sbi, name) \
|
| 2420 | do { \
|
| 2421 | static struct lock_class_key __key; \
|
| 2422 | \
|
| 2423 | do_init_f2fs_rwsem((sem), #sem, &__key, sbi, name); \
|
| 2424 | } while (0)
|
| 2425 |
|
| 2426 | static inline void do_init_f2fs_rwsem(struct f2fs_rwsem *sem,
|
| 2427 | const char *sem_name, struct lock_class_key *key,
|
| 2428 | struct f2fs_sb_info *sbi, enum f2fs_lock_name name)
|
| 2429 | {
|
| 2430 | sem->sbi = sbi;
|
| 2431 | sem->name = name;
|
| 2432 | __init_rwsem(&sem->internal_rwsem, sem_name, key);
|
| 2433 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM
|
| 2434 | init_waitqueue_head(&sem->read_waiters);
|
| 2435 | #endif
|
| 2436 | }
|
| 2437 |
|
| 2438 | static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem)
|
| 2439 | {
|
| 2440 | return rwsem_is_locked(&sem->internal_rwsem);
|
| 2441 | }
|
| 2442 |
|
| 2443 | static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem)
|
| 2444 | {
|
| 2445 | return rwsem_is_contended(&sem->internal_rwsem);
|
| 2446 | }
|
| 2447 |
|
| 2448 | static inline void f2fs_down_read(struct f2fs_rwsem *sem)
|
| 2449 | {
|
| 2450 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM
|
| 2451 | wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem));
|
| 2452 | #else
|
| 2453 | down_read(&sem->internal_rwsem);
|
| 2454 | #endif
|
| 2455 | }
|
| 2456 |
|
| 2457 | static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem)
|
| 2458 | {
|
| 2459 | return down_read_trylock(&sem->internal_rwsem);
|
| 2460 | }
|
| 2461 |
|
| 2462 | static inline void f2fs_up_read(struct f2fs_rwsem *sem)
|
| 2463 | {
|
| 2464 | up_read(&sem->internal_rwsem);
|
| 2465 | }
|
| 2466 |
|
| 2467 | static inline void f2fs_down_write(struct f2fs_rwsem *sem)
|
| 2468 | {
|
| 2469 | down_write(&sem->internal_rwsem);
|
| 2470 | }
|
| 2471 |
|
| 2472 | #ifdef CONFIG_DEBUG_LOCK_ALLOC
|
| 2473 | static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass)
|
| 2474 | {
|
| 2475 | down_read_nested(&sem->internal_rwsem, subclass);
|
| 2476 | }
|
| 2477 |
|
| 2478 | static inline void f2fs_down_write_nested(struct f2fs_rwsem *sem, int subclass)
|
| 2479 | {
|
| 2480 | down_write_nested(&sem->internal_rwsem, subclass);
|
| 2481 | }
|
| 2482 | #else
|
| 2483 | #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem)
|
| 2484 | #define f2fs_down_write_nested(sem, subclass) f2fs_down_write(sem)
|
| 2485 | #endif
|
| 2486 |
|
| 2487 | static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem)
|
| 2488 | {
|
| 2489 | return down_write_trylock(&sem->internal_rwsem);
|
| 2490 | }
|
| 2491 |
|
| 2492 | static inline void f2fs_up_write(struct f2fs_rwsem *sem)
|
| 2493 | {
|
| 2494 | up_write(&sem->internal_rwsem);
|
| 2495 | #ifdef CONFIG_F2FS_UNFAIR_RWSEM
|
| 2496 | wake_up_all(&sem->read_waiters);
|
| 2497 | #endif
|
| 2498 | }
|
| 2499 |
|
| 2500 | void f2fs_down_read_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc);
|
| 2501 | int f2fs_down_read_trylock_trace(struct f2fs_rwsem *sem,
|
| 2502 | struct f2fs_lock_context *lc);
|
| 2503 | void f2fs_up_read_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc);
|
| 2504 | void f2fs_down_write_trace(struct f2fs_rwsem *sem,
|
| 2505 | struct f2fs_lock_context *lc);
|
| 2506 | int f2fs_down_write_trylock_trace(struct f2fs_rwsem *sem,
|
| 2507 | struct f2fs_lock_context *lc);
|
| 2508 | void f2fs_up_write_trace(struct f2fs_rwsem *sem, struct f2fs_lock_context *lc);
|
| 2509 |
|
| 2510 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
|
| 2511 | {
|
| 2512 | unsigned long flags;
|
| 2513 | unsigned char *nat_bits;
|
| 2514 |
|
| 2515 | |
| 2516 | * In order to re-enable nat_bits we need to call fsck.f2fs by
|
| 2517 | * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
|
| 2518 | * so let's rely on regular fsck or unclean shutdown.
|
| 2519 |
|
| 2520 |
|
| 2521 | if (lock)
|
| 2522 | spin_lock_irqsave(&sbi->cp_lock, flags);
|
| 2523 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
|
| 2524 | nat_bits = NM_I(sbi)->nat_bits;
|
| 2525 | NM_I(sbi)->nat_bits = NULL;
|
| 2526 | if (lock)
|
| 2527 | spin_unlock_irqrestore(&sbi->cp_lock, flags);
|
| 2528 |
|
| 2529 | kvfree(nat_bits);
|
| 2530 | }
|
| 2531 |
|
| 2532 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
|
| 2533 | struct cp_control *cpc)
|
| 2534 | {
|
| 2535 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
|
| 2536 |
|
| 2537 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
|
| 2538 | }
|
| 2539 |
|
| 2540 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
|
| 2541 | {
|
| 2542 | int reason = CP_SYNC;
|
| 2543 |
|
| 2544 | if (test_opt(sbi, FASTBOOT))
|
| 2545 | reason = CP_FASTBOOT;
|
| 2546 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
|
| 2547 | reason = CP_UMOUNT;
|
| 2548 | return reason;
|
| 2549 | }
|
| 2550 |
|
| 2551 | static inline bool __remain_node_summaries(int reason)
|
| 2552 | {
|
| 2553 | return (reason & (CP_UMOUNT | CP_FASTBOOT));
|
| 2554 | }
|
| 2555 |
|
| 2556 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
|
| 2557 | {
|
| 2558 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
|
| 2559 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
|
| 2560 | }
|
| 2561 |
|
| 2562 | |
| 2563 | * Check whether the inode has blocks or not
|
| 2564 |
|
| 2565 | static inline int F2FS_HAS_BLOCKS(struct inode *inode)
|
| 2566 | {
|
| 2567 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
|
| 2568 |
|
| 2569 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
|
| 2570 | }
|
| 2571 |
|
| 2572 | static inline bool f2fs_has_xattr_block(unsigned int ofs)
|
| 2573 | {
|
| 2574 | return ofs == XATTR_NODE_OFFSET;
|
| 2575 | }
|
| 2576 |
|
| 2577 | static inline bool __allow_reserved_root(struct f2fs_sb_info *sbi,
|
| 2578 | struct inode *inode, bool cap)
|
| 2579 | {
|
| 2580 | if (!inode)
|
| 2581 | return true;
|
| 2582 | if (IS_NOQUOTA(inode))
|
| 2583 | return true;
|
| 2584 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
|
| 2585 | return true;
|
| 2586 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
|
| 2587 | in_group_p(F2FS_OPTION(sbi).s_resgid))
|
| 2588 | return true;
|
| 2589 | if (cap && capable(CAP_SYS_RESOURCE))
|
| 2590 | return true;
|
| 2591 | return false;
|
| 2592 | }
|
| 2593 |
|
| 2594 | static inline unsigned int get_available_block_count(struct f2fs_sb_info *sbi,
|
| 2595 | struct inode *inode, bool cap)
|
| 2596 | {
|
| 2597 | block_t avail_user_block_count;
|
| 2598 |
|
| 2599 | avail_user_block_count = sbi->user_block_count -
|
| 2600 | sbi->current_reserved_blocks -
|
| 2601 | sbi->alias_reserved_blocks;
|
| 2602 |
|
| 2603 | if (test_opt(sbi, RESERVE_ROOT) && !__allow_reserved_root(sbi, inode, cap))
|
| 2604 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
|
| 2605 |
|
| 2606 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
|
| 2607 | if (avail_user_block_count > sbi->unusable_block_count)
|
| 2608 | avail_user_block_count -= sbi->unusable_block_count;
|
| 2609 | else
|
| 2610 | avail_user_block_count = 0;
|
| 2611 | }
|
| 2612 |
|
| 2613 | return avail_user_block_count;
|
| 2614 | }
|
| 2615 |
|
| 2616 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
|
| 2617 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
|
| 2618 | struct inode *inode, blkcnt_t *count,
|
| 2619 | bool partial, bool alias_reserved)
|
| 2620 | {
|
| 2621 | long long diff = 0, release = 0;
|
| 2622 | block_t avail_user_block_count;
|
| 2623 | int ret;
|
| 2624 |
|
| 2625 | ret = dquot_reserve_block(inode, *count);
|
| 2626 | if (ret)
|
| 2627 | return ret;
|
| 2628 |
|
| 2629 | if (time_to_inject(sbi, FAULT_BLOCK)) {
|
| 2630 | release = *count;
|
| 2631 | goto release_quota;
|
| 2632 | }
|
| 2633 |
|
| 2634 | |
| 2635 | * let's increase this in prior to actual block count change in order
|
| 2636 | * for f2fs_sync_file to avoid data races when deciding checkpoint.
|
| 2637 |
|
| 2638 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
|
| 2639 |
|
| 2640 | spin_lock(&sbi->stat_lock);
|
| 2641 |
|
| 2642 | if (alias_reserved)
|
| 2643 | sbi->alias_reserved_blocks -= *count;
|
| 2644 |
|
| 2645 | avail_user_block_count = get_available_block_count(sbi, inode, true);
|
| 2646 | diff = (long long)sbi->total_valid_block_count + *count -
|
| 2647 | avail_user_block_count;
|
| 2648 | if (unlikely(diff > 0)) {
|
| 2649 | if (alias_reserved)
|
| 2650 | sbi->alias_reserved_blocks += *count;
|
| 2651 |
|
| 2652 | if (!partial) {
|
| 2653 | spin_unlock(&sbi->stat_lock);
|
| 2654 | release = *count;
|
| 2655 | goto enospc;
|
| 2656 | }
|
| 2657 | if (diff > *count)
|
| 2658 | diff = *count;
|
| 2659 | *count -= diff;
|
| 2660 | release = diff;
|
| 2661 | if (!*count) {
|
| 2662 | spin_unlock(&sbi->stat_lock);
|
| 2663 | goto enospc;
|
| 2664 | }
|
| 2665 | }
|
| 2666 | sbi->total_valid_block_count += (block_t)(*count);
|
| 2667 |
|
| 2668 | spin_unlock(&sbi->stat_lock);
|
| 2669 |
|
| 2670 | if (unlikely(release)) {
|
| 2671 | percpu_counter_sub(&sbi->alloc_valid_block_count, release);
|
| 2672 | dquot_release_reservation_block(inode, release);
|
| 2673 | }
|
| 2674 | f2fs_i_blocks_write(inode, *count, true, true);
|
| 2675 | return 0;
|
| 2676 |
|
| 2677 | enospc:
|
| 2678 | percpu_counter_sub(&sbi->alloc_valid_block_count, release);
|
| 2679 | release_quota:
|
| 2680 | dquot_release_reservation_block(inode, release);
|
| 2681 | return -ENOSPC;
|
| 2682 | }
|
| 2683 |
|
| 2684 | #define PAGE_PRIVATE_GET_FUNC(name, flagname) \
|
| 2685 | static inline bool folio_test_f2fs_##name(const struct folio *folio) \
|
| 2686 | { \
|
| 2687 | unsigned long priv = (unsigned long)folio->private; \
|
| 2688 | unsigned long v = (1UL << PAGE_PRIVATE_NOT_POINTER) | \
|
| 2689 | (1UL << PAGE_PRIVATE_##flagname); \
|
| 2690 | return (priv & v) == v; \
|
| 2691 | } \
|
| 2692 | static inline bool page_private_##name(struct page *page) \
|
| 2693 | { \
|
| 2694 | return PagePrivate(page) && \
|
| 2695 | test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
|
| 2696 | test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
|
| 2697 | }
|
| 2698 |
|
| 2699 | #define PAGE_PRIVATE_SET_FUNC(name, flagname) \
|
| 2700 | static inline void folio_set_f2fs_##name(struct folio *folio) \
|
| 2701 | { \
|
| 2702 | unsigned long v = (1UL << PAGE_PRIVATE_NOT_POINTER) | \
|
| 2703 | (1UL << PAGE_PRIVATE_##flagname); \
|
| 2704 | if (!folio->private) \
|
| 2705 | folio_attach_private(folio, (void *)v); \
|
| 2706 | else { \
|
| 2707 | v |= (unsigned long)folio->private; \
|
| 2708 | folio->private = (void *)v; \
|
| 2709 | } \
|
| 2710 | } \
|
| 2711 | static inline void set_page_private_##name(struct page *page) \
|
| 2712 | { \
|
| 2713 | if (!PagePrivate(page)) \
|
| 2714 | attach_page_private(page, (void *)0); \
|
| 2715 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
|
| 2716 | set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
|
| 2717 | }
|
| 2718 |
|
| 2719 | #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
|
| 2720 | static inline void folio_clear_f2fs_##name(struct folio *folio) \
|
| 2721 | { \
|
| 2722 | unsigned long v = (unsigned long)folio->private; \
|
| 2723 | \
|
| 2724 | v &= ~(1UL << PAGE_PRIVATE_##flagname); \
|
| 2725 | if (v == (1UL << PAGE_PRIVATE_NOT_POINTER)) \
|
| 2726 | folio_detach_private(folio); \
|
| 2727 | else \
|
| 2728 | folio->private = (void *)v; \
|
| 2729 | } \
|
| 2730 | static inline void clear_page_private_##name(struct page *page) \
|
| 2731 | { \
|
| 2732 | clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
|
| 2733 | if (page_private(page) == BIT(PAGE_PRIVATE_NOT_POINTER)) \
|
| 2734 | detach_page_private(page); \
|
| 2735 | }
|
| 2736 |
|
| 2737 | PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
|
| 2738 | PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
|
| 2739 | PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
|
| 2740 | PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
|
| 2741 |
|
| 2742 | PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
|
| 2743 | PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
|
| 2744 | PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
|
| 2745 | PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
|
| 2746 |
|
| 2747 | PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
|
| 2748 | PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
|
| 2749 | PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
|
| 2750 | PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
|
| 2751 |
|
| 2752 | static inline unsigned long folio_get_f2fs_data(struct folio *folio)
|
| 2753 | {
|
| 2754 | unsigned long data = (unsigned long)folio->private;
|
| 2755 |
|
| 2756 | if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
|
| 2757 | return 0;
|
| 2758 | return data >> PAGE_PRIVATE_MAX;
|
| 2759 | }
|
| 2760 |
|
| 2761 | static inline void folio_set_f2fs_data(struct folio *folio, unsigned long data)
|
| 2762 | {
|
| 2763 | data = (1UL << PAGE_PRIVATE_NOT_POINTER) | (data << PAGE_PRIVATE_MAX);
|
| 2764 |
|
| 2765 | if (!folio_test_private(folio))
|
| 2766 | folio_attach_private(folio, (void *)data);
|
| 2767 | else
|
| 2768 | folio->private = (void *)((unsigned long)folio->private | data);
|
| 2769 | }
|
| 2770 |
|
| 2771 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
|
| 2772 | struct inode *inode,
|
| 2773 | block_t count)
|
| 2774 | {
|
| 2775 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
|
| 2776 |
|
| 2777 | spin_lock(&sbi->stat_lock);
|
| 2778 | if (unlikely(sbi->total_valid_block_count < count)) {
|
| 2779 | f2fs_warn(sbi, "Inconsistent total_valid_block_count:%u, ino:%llu, count:%u",
|
| 2780 | sbi->total_valid_block_count, inode->i_ino, count);
|
| 2781 | sbi->total_valid_block_count = 0;
|
| 2782 | set_sbi_flag(sbi, SBI_NEED_FSCK);
|
| 2783 | } else {
|
| 2784 | sbi->total_valid_block_count -= count;
|
| 2785 | }
|
| 2786 | if (sbi->reserved_blocks &&
|
| 2787 | sbi->current_reserved_blocks < sbi->reserved_blocks)
|
| 2788 | sbi->current_reserved_blocks = min(sbi->reserved_blocks,
|
| 2789 | sbi->current_reserved_blocks + count);
|
| 2790 | spin_unlock(&sbi->stat_lock);
|
| 2791 | if (unlikely(inode->i_blocks < sectors)) {
|
| 2792 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%llu, iblocks:%llu, sectors:%llu",
|
| 2793 | inode->i_ino,
|
| 2794 | (unsigned long long)inode->i_blocks,
|
| 2795 | (unsigned long long)sectors);
|
| 2796 | set_sbi_flag(sbi, SBI_NEED_FSCK);
|
| 2797 | return;
|
| 2798 | }
|
| 2799 | f2fs_i_blocks_write(inode, count, false, true);
|
| 2800 | }
|
| 2801 |
|
| 2802 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
|
| 2803 | {
|
| 2804 | atomic_inc(&sbi->nr_pages[count_type]);
|
| 2805 |
|
| 2806 | if (count_type == F2FS_DIRTY_DENTS ||
|
| 2807 | count_type == F2FS_DIRTY_NODES ||
|
| 2808 | count_type == F2FS_DIRTY_META ||
|
| 2809 | count_type == F2FS_DIRTY_QDATA ||
|
| 2810 | count_type == F2FS_DIRTY_IMETA)
|
| 2811 | set_sbi_flag(sbi, SBI_IS_DIRTY);
|
| 2812 | }
|
| 2813 |
|
| 2814 | static inline void inode_inc_dirty_pages(struct inode *inode)
|
| 2815 | {
|
| 2816 | atomic_inc(&F2FS_I(inode)->dirty_pages);
|
| 2817 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
|
| 2818 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
|
| 2819 | if (IS_NOQUOTA(inode))
|
| 2820 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
|
| 2821 | }
|
| 2822 |
|
| 2823 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
|
| 2824 | {
|
| 2825 | atomic_dec(&sbi->nr_pages[count_type]);
|
| 2826 | }
|
| 2827 |
|
| 2828 | static inline void inode_dec_dirty_pages(struct inode *inode)
|
| 2829 | {
|
| 2830 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
|
| 2831 | !S_ISLNK(inode->i_mode))
|
| 2832 | return;
|
| 2833 |
|
| 2834 | atomic_dec(&F2FS_I(inode)->dirty_pages);
|
| 2835 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
|
| 2836 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
|
| 2837 | if (IS_NOQUOTA(inode))
|
| 2838 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
|
| 2839 | }
|
| 2840 |
|
| 2841 | static inline void inc_atomic_write_cnt(struct inode *inode)
|
| 2842 | {
|
| 2843 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
| 2844 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 2845 | u64 current_write;
|
| 2846 |
|
| 2847 | fi->atomic_write_cnt++;
|
| 2848 | atomic64_inc(&sbi->current_atomic_write);
|
| 2849 | current_write = atomic64_read(&sbi->current_atomic_write);
|
| 2850 | if (current_write > sbi->peak_atomic_write)
|
| 2851 | sbi->peak_atomic_write = current_write;
|
| 2852 | }
|
| 2853 |
|
| 2854 | static inline void release_atomic_write_cnt(struct inode *inode)
|
| 2855 | {
|
| 2856 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
| 2857 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 2858 |
|
| 2859 | atomic64_sub(fi->atomic_write_cnt, &sbi->current_atomic_write);
|
| 2860 | fi->atomic_write_cnt = 0;
|
| 2861 | }
|
| 2862 |
|
| 2863 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
|
| 2864 | {
|
| 2865 | return atomic_read(&sbi->nr_pages[count_type]);
|
| 2866 | }
|
| 2867 |
|
| 2868 | static inline int get_dirty_pages(struct inode *inode)
|
| 2869 | {
|
| 2870 | return atomic_read(&F2FS_I(inode)->dirty_pages);
|
| 2871 | }
|
| 2872 |
|
| 2873 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
|
| 2874 | {
|
| 2875 | return div_u64(get_pages(sbi, block_type) + BLKS_PER_SEC(sbi) - 1,
|
| 2876 | BLKS_PER_SEC(sbi));
|
| 2877 | }
|
| 2878 |
|
| 2879 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
|
| 2880 | {
|
| 2881 | return sbi->total_valid_block_count;
|
| 2882 | }
|
| 2883 |
|
| 2884 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
|
| 2885 | {
|
| 2886 | return sbi->discard_blks;
|
| 2887 | }
|
| 2888 |
|
| 2889 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
|
| 2890 | {
|
| 2891 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
|
| 2892 |
|
| 2893 |
|
| 2894 | if (flag == NAT_BITMAP)
|
| 2895 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
|
| 2896 | else if (flag == SIT_BITMAP)
|
| 2897 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
|
| 2898 |
|
| 2899 | return 0;
|
| 2900 | }
|
| 2901 |
|
| 2902 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
|
| 2903 | {
|
| 2904 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
|
| 2905 | }
|
| 2906 |
|
| 2907 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
|
| 2908 | {
|
| 2909 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
|
| 2910 | void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
|
| 2911 | int offset;
|
| 2912 |
|
| 2913 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
|
| 2914 | offset = (flag == SIT_BITMAP) ?
|
| 2915 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
|
| 2916 | |
| 2917 | * if large_nat_bitmap feature is enabled, leave checksum
|
| 2918 | * protection for all nat/sit bitmaps.
|
| 2919 |
|
| 2920 | return tmp_ptr + offset + sizeof(__le32);
|
| 2921 | }
|
| 2922 |
|
| 2923 | if (__cp_payload(sbi) > 0) {
|
| 2924 | if (flag == NAT_BITMAP)
|
| 2925 | return tmp_ptr;
|
| 2926 | else
|
| 2927 | return (unsigned char *)ckpt + F2FS_BLKSIZE;
|
| 2928 | } else {
|
| 2929 | offset = (flag == NAT_BITMAP) ?
|
| 2930 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
|
| 2931 | return tmp_ptr + offset;
|
| 2932 | }
|
| 2933 | }
|
| 2934 |
|
| 2935 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
|
| 2936 | {
|
| 2937 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
|
| 2938 |
|
| 2939 | if (sbi->cur_cp_pack == 2)
|
| 2940 | start_addr += BLKS_PER_SEG(sbi);
|
| 2941 | return start_addr;
|
| 2942 | }
|
| 2943 |
|
| 2944 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
|
| 2945 | {
|
| 2946 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
|
| 2947 |
|
| 2948 | if (sbi->cur_cp_pack == 1)
|
| 2949 | start_addr += BLKS_PER_SEG(sbi);
|
| 2950 | return start_addr;
|
| 2951 | }
|
| 2952 |
|
| 2953 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
|
| 2954 | {
|
| 2955 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
|
| 2956 | }
|
| 2957 |
|
| 2958 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
|
| 2959 | {
|
| 2960 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
|
| 2961 | }
|
| 2962 |
|
| 2963 | static inline bool __has_cursum_space(struct f2fs_sb_info *sbi,
|
| 2964 | struct f2fs_journal *journal, unsigned int size, int type)
|
| 2965 | {
|
| 2966 | if (type == NAT_JOURNAL)
|
| 2967 | return size <= MAX_NAT_JENTRIES(sbi, journal);
|
| 2968 | return size <= MAX_SIT_JENTRIES(sbi, journal);
|
| 2969 | }
|
| 2970 |
|
| 2971 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
|
| 2972 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
|
| 2973 | struct inode *inode, bool is_inode)
|
| 2974 | {
|
| 2975 | block_t valid_block_count;
|
| 2976 | unsigned int valid_node_count, avail_user_node_count;
|
| 2977 | unsigned int avail_user_block_count;
|
| 2978 | int err;
|
| 2979 |
|
| 2980 | if (is_inode) {
|
| 2981 | if (inode) {
|
| 2982 | err = dquot_alloc_inode(inode);
|
| 2983 | if (err)
|
| 2984 | return err;
|
| 2985 | }
|
| 2986 | } else {
|
| 2987 | err = dquot_reserve_block(inode, 1);
|
| 2988 | if (err)
|
| 2989 | return err;
|
| 2990 | }
|
| 2991 |
|
| 2992 | if (time_to_inject(sbi, FAULT_BLOCK))
|
| 2993 | goto enospc;
|
| 2994 |
|
| 2995 | spin_lock(&sbi->stat_lock);
|
| 2996 |
|
| 2997 | valid_block_count = sbi->total_valid_block_count + 1;
|
| 2998 | avail_user_block_count = get_available_block_count(sbi, inode,
|
| 2999 | test_opt(sbi, RESERVE_NODE));
|
| 3000 |
|
| 3001 | if (unlikely(valid_block_count > avail_user_block_count)) {
|
| 3002 | spin_unlock(&sbi->stat_lock);
|
| 3003 | goto enospc;
|
| 3004 | }
|
| 3005 |
|
| 3006 | avail_user_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
|
| 3007 | if (test_opt(sbi, RESERVE_NODE) &&
|
| 3008 | !__allow_reserved_root(sbi, inode, true))
|
| 3009 | avail_user_node_count -= F2FS_OPTION(sbi).root_reserved_nodes;
|
| 3010 | valid_node_count = sbi->total_valid_node_count + 1;
|
| 3011 | if (unlikely(valid_node_count > avail_user_node_count)) {
|
| 3012 | spin_unlock(&sbi->stat_lock);
|
| 3013 | goto enospc;
|
| 3014 | }
|
| 3015 |
|
| 3016 | sbi->total_valid_node_count++;
|
| 3017 | sbi->total_valid_block_count++;
|
| 3018 | spin_unlock(&sbi->stat_lock);
|
| 3019 |
|
| 3020 | if (inode) {
|
| 3021 | if (is_inode)
|
| 3022 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3023 | else
|
| 3024 | f2fs_i_blocks_write(inode, 1, true, true);
|
| 3025 | }
|
| 3026 |
|
| 3027 | percpu_counter_inc(&sbi->alloc_valid_block_count);
|
| 3028 | return 0;
|
| 3029 |
|
| 3030 | enospc:
|
| 3031 | if (is_inode) {
|
| 3032 | if (inode)
|
| 3033 | dquot_free_inode(inode);
|
| 3034 | } else {
|
| 3035 | dquot_release_reservation_block(inode, 1);
|
| 3036 | }
|
| 3037 | return -ENOSPC;
|
| 3038 | }
|
| 3039 |
|
| 3040 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
|
| 3041 | struct inode *inode, bool is_inode)
|
| 3042 | {
|
| 3043 | spin_lock(&sbi->stat_lock);
|
| 3044 |
|
| 3045 | if (unlikely(!sbi->total_valid_block_count ||
|
| 3046 | !sbi->total_valid_node_count)) {
|
| 3047 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent block counts, total_valid_block:%u, total_valid_node:%u",
|
| 3048 | sbi->total_valid_block_count,
|
| 3049 | sbi->total_valid_node_count);
|
| 3050 | set_sbi_flag(sbi, SBI_NEED_FSCK);
|
| 3051 | } else {
|
| 3052 | sbi->total_valid_block_count--;
|
| 3053 | sbi->total_valid_node_count--;
|
| 3054 | }
|
| 3055 |
|
| 3056 | if (sbi->reserved_blocks &&
|
| 3057 | sbi->current_reserved_blocks < sbi->reserved_blocks)
|
| 3058 | sbi->current_reserved_blocks++;
|
| 3059 |
|
| 3060 | spin_unlock(&sbi->stat_lock);
|
| 3061 |
|
| 3062 | if (is_inode) {
|
| 3063 | dquot_free_inode(inode);
|
| 3064 | } else {
|
| 3065 | if (unlikely(inode->i_blocks == 0)) {
|
| 3066 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%llu, iblocks:%llu",
|
| 3067 | inode->i_ino,
|
| 3068 | (unsigned long long)inode->i_blocks);
|
| 3069 | set_sbi_flag(sbi, SBI_NEED_FSCK);
|
| 3070 | return;
|
| 3071 | }
|
| 3072 | f2fs_i_blocks_write(inode, 1, false, true);
|
| 3073 | }
|
| 3074 | }
|
| 3075 |
|
| 3076 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
|
| 3077 | {
|
| 3078 | return sbi->total_valid_node_count;
|
| 3079 | }
|
| 3080 |
|
| 3081 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
|
| 3082 | {
|
| 3083 | percpu_counter_inc(&sbi->total_valid_inode_count);
|
| 3084 | }
|
| 3085 |
|
| 3086 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
|
| 3087 | {
|
| 3088 | percpu_counter_dec(&sbi->total_valid_inode_count);
|
| 3089 | }
|
| 3090 |
|
| 3091 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
|
| 3092 | {
|
| 3093 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
|
| 3094 | }
|
| 3095 |
|
| 3096 | static inline struct folio *f2fs_grab_cache_folio(struct address_space *mapping,
|
| 3097 | pgoff_t index, bool for_write)
|
| 3098 | {
|
| 3099 | struct folio *folio;
|
| 3100 | unsigned int flags;
|
| 3101 |
|
| 3102 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
|
| 3103 | fgf_t fgf_flags;
|
| 3104 |
|
| 3105 | if (!for_write)
|
| 3106 | fgf_flags = FGP_LOCK | FGP_ACCESSED;
|
| 3107 | else
|
| 3108 | fgf_flags = FGP_LOCK;
|
| 3109 | folio = __filemap_get_folio(mapping, index, fgf_flags, 0);
|
| 3110 | if (!IS_ERR(folio))
|
| 3111 | return folio;
|
| 3112 |
|
| 3113 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC))
|
| 3114 | return ERR_PTR(-ENOMEM);
|
| 3115 | }
|
| 3116 |
|
| 3117 | if (!for_write)
|
| 3118 | return filemap_grab_folio(mapping, index);
|
| 3119 |
|
| 3120 | flags = memalloc_nofs_save();
|
| 3121 | folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN,
|
| 3122 | mapping_gfp_mask(mapping));
|
| 3123 | memalloc_nofs_restore(flags);
|
| 3124 |
|
| 3125 | return folio;
|
| 3126 | }
|
| 3127 |
|
| 3128 | static inline struct folio *f2fs_filemap_get_folio(
|
| 3129 | struct address_space *mapping, pgoff_t index,
|
| 3130 | fgf_t fgp_flags, gfp_t gfp_mask)
|
| 3131 | {
|
| 3132 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET))
|
| 3133 | return ERR_PTR(-ENOMEM);
|
| 3134 |
|
| 3135 | return __filemap_get_folio(mapping, index, fgp_flags, gfp_mask);
|
| 3136 | }
|
| 3137 |
|
| 3138 | static inline void f2fs_folio_put(struct folio *folio, bool unlock)
|
| 3139 | {
|
| 3140 | if (IS_ERR_OR_NULL(folio))
|
| 3141 | return;
|
| 3142 |
|
| 3143 | if (unlock) {
|
| 3144 | f2fs_bug_on(F2FS_F_SB(folio), !folio_test_locked(folio));
|
| 3145 | folio_unlock(folio);
|
| 3146 | }
|
| 3147 | folio_put(folio);
|
| 3148 | }
|
| 3149 |
|
| 3150 | static inline void f2fs_put_page(struct page *page, bool unlock)
|
| 3151 | {
|
| 3152 | if (!page)
|
| 3153 | return;
|
| 3154 | f2fs_folio_put(page_folio(page), unlock);
|
| 3155 | }
|
| 3156 |
|
| 3157 | static inline void f2fs_put_dnode(struct dnode_of_data *dn)
|
| 3158 | {
|
| 3159 | if (dn->node_folio)
|
| 3160 | f2fs_folio_put(dn->node_folio, true);
|
| 3161 | if (dn->inode_folio && dn->node_folio != dn->inode_folio)
|
| 3162 | f2fs_folio_put(dn->inode_folio, false);
|
| 3163 | dn->node_folio = NULL;
|
| 3164 | dn->inode_folio = NULL;
|
| 3165 | }
|
| 3166 |
|
| 3167 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
|
| 3168 | size_t size)
|
| 3169 | {
|
| 3170 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
|
| 3171 | }
|
| 3172 |
|
| 3173 | static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep,
|
| 3174 | gfp_t flags)
|
| 3175 | {
|
| 3176 | void *entry;
|
| 3177 |
|
| 3178 | entry = kmem_cache_alloc(cachep, flags);
|
| 3179 | if (!entry)
|
| 3180 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
|
| 3181 | return entry;
|
| 3182 | }
|
| 3183 |
|
| 3184 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
|
| 3185 | gfp_t flags, bool nofail, struct f2fs_sb_info *sbi)
|
| 3186 | {
|
| 3187 | if (nofail)
|
| 3188 | return f2fs_kmem_cache_alloc_nofail(cachep, flags);
|
| 3189 |
|
| 3190 | if (time_to_inject(sbi, FAULT_SLAB_ALLOC))
|
| 3191 | return NULL;
|
| 3192 |
|
| 3193 | return kmem_cache_alloc(cachep, flags);
|
| 3194 | }
|
| 3195 |
|
| 3196 | static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
|
| 3197 | {
|
| 3198 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
|
| 3199 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
|
| 3200 | get_pages(sbi, F2FS_WB_CP_DATA) ||
|
| 3201 | get_pages(sbi, F2FS_DIO_READ) ||
|
| 3202 | get_pages(sbi, F2FS_DIO_WRITE))
|
| 3203 | return true;
|
| 3204 |
|
| 3205 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
|
| 3206 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
|
| 3207 | return true;
|
| 3208 |
|
| 3209 | if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
|
| 3210 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
|
| 3211 | return true;
|
| 3212 | return false;
|
| 3213 | }
|
| 3214 |
|
| 3215 | static inline bool is_inflight_read_io(struct f2fs_sb_info *sbi)
|
| 3216 | {
|
| 3217 | return get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_DIO_READ);
|
| 3218 | }
|
| 3219 |
|
| 3220 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
|
| 3221 | {
|
| 3222 | bool zoned_gc = (type == GC_TIME &&
|
| 3223 | F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_BLKZONED));
|
| 3224 |
|
| 3225 | if (sbi->gc_mode == GC_URGENT_HIGH)
|
| 3226 | return true;
|
| 3227 |
|
| 3228 | if (sbi->bggc_io_aware == AWARE_READ_IO && is_inflight_read_io(sbi))
|
| 3229 | return false;
|
| 3230 | if (sbi->bggc_io_aware == AWARE_ALL_IO && is_inflight_io(sbi, type))
|
| 3231 | return false;
|
| 3232 |
|
| 3233 | if (sbi->gc_mode == GC_URGENT_MID)
|
| 3234 | return true;
|
| 3235 |
|
| 3236 | if (sbi->gc_mode == GC_URGENT_LOW &&
|
| 3237 | (type == DISCARD_TIME || type == GC_TIME))
|
| 3238 | return true;
|
| 3239 |
|
| 3240 | if (zoned_gc)
|
| 3241 | return true;
|
| 3242 |
|
| 3243 | return f2fs_time_over(sbi, type);
|
| 3244 | }
|
| 3245 |
|
| 3246 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
|
| 3247 | unsigned long index, void *item)
|
| 3248 | {
|
| 3249 | while (radix_tree_insert(root, index, item))
|
| 3250 | cond_resched();
|
| 3251 | }
|
| 3252 |
|
| 3253 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
|
| 3254 |
|
| 3255 | static inline bool IS_INODE(const struct folio *folio)
|
| 3256 | {
|
| 3257 | struct f2fs_node *p = F2FS_NODE(folio);
|
| 3258 |
|
| 3259 | return RAW_IS_INODE(p);
|
| 3260 | }
|
| 3261 |
|
| 3262 | static inline int offset_in_addr(struct f2fs_inode *i)
|
| 3263 | {
|
| 3264 | return (i->i_inline & F2FS_EXTRA_ATTR) ?
|
| 3265 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
|
| 3266 | }
|
| 3267 |
|
| 3268 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
|
| 3269 | {
|
| 3270 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
|
| 3271 | }
|
| 3272 |
|
| 3273 | static inline int f2fs_has_extra_attr(struct inode *inode);
|
| 3274 | static inline unsigned int get_dnode_base(struct inode *inode,
|
| 3275 | struct folio *node_folio)
|
| 3276 | {
|
| 3277 | if (!IS_INODE(node_folio))
|
| 3278 | return 0;
|
| 3279 |
|
| 3280 | return inode ? get_extra_isize(inode) :
|
| 3281 | offset_in_addr(&F2FS_NODE(node_folio)->i);
|
| 3282 | }
|
| 3283 |
|
| 3284 | static inline __le32 *get_dnode_addr(struct inode *inode,
|
| 3285 | struct folio *node_folio)
|
| 3286 | {
|
| 3287 | return blkaddr_in_node(F2FS_NODE(node_folio)) +
|
| 3288 | get_dnode_base(inode, node_folio);
|
| 3289 | }
|
| 3290 |
|
| 3291 | static inline block_t data_blkaddr(struct inode *inode,
|
| 3292 | struct folio *node_folio, unsigned int offset)
|
| 3293 | {
|
| 3294 | return le32_to_cpu(*(get_dnode_addr(inode, node_folio) + offset));
|
| 3295 | }
|
| 3296 |
|
| 3297 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn)
|
| 3298 | {
|
| 3299 | return data_blkaddr(dn->inode, dn->node_folio, dn->ofs_in_node);
|
| 3300 | }
|
| 3301 |
|
| 3302 | static inline int f2fs_test_bit(unsigned int nr, char *addr)
|
| 3303 | {
|
| 3304 | int mask;
|
| 3305 |
|
| 3306 | addr += (nr >> 3);
|
| 3307 | mask = BIT(7 - (nr & 0x07));
|
| 3308 | return mask & *addr;
|
| 3309 | }
|
| 3310 |
|
| 3311 | static inline void f2fs_set_bit(unsigned int nr, char *addr)
|
| 3312 | {
|
| 3313 | int mask;
|
| 3314 |
|
| 3315 | addr += (nr >> 3);
|
| 3316 | mask = BIT(7 - (nr & 0x07));
|
| 3317 | *addr |= mask;
|
| 3318 | }
|
| 3319 |
|
| 3320 | static inline void f2fs_clear_bit(unsigned int nr, char *addr)
|
| 3321 | {
|
| 3322 | int mask;
|
| 3323 |
|
| 3324 | addr += (nr >> 3);
|
| 3325 | mask = BIT(7 - (nr & 0x07));
|
| 3326 | *addr &= ~mask;
|
| 3327 | }
|
| 3328 |
|
| 3329 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
|
| 3330 | {
|
| 3331 | int mask;
|
| 3332 | int ret;
|
| 3333 |
|
| 3334 | addr += (nr >> 3);
|
| 3335 | mask = BIT(7 - (nr & 0x07));
|
| 3336 | ret = mask & *addr;
|
| 3337 | *addr |= mask;
|
| 3338 | return ret;
|
| 3339 | }
|
| 3340 |
|
| 3341 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
|
| 3342 | {
|
| 3343 | int mask;
|
| 3344 | int ret;
|
| 3345 |
|
| 3346 | addr += (nr >> 3);
|
| 3347 | mask = BIT(7 - (nr & 0x07));
|
| 3348 | ret = mask & *addr;
|
| 3349 | *addr &= ~mask;
|
| 3350 | return ret;
|
| 3351 | }
|
| 3352 |
|
| 3353 | static inline void f2fs_change_bit(unsigned int nr, char *addr)
|
| 3354 | {
|
| 3355 | int mask;
|
| 3356 |
|
| 3357 | addr += (nr >> 3);
|
| 3358 | mask = BIT(7 - (nr & 0x07));
|
| 3359 | *addr ^= mask;
|
| 3360 | }
|
| 3361 |
|
| 3362 | |
| 3363 | * On-disk inode flags (f2fs_inode::i_flags)
|
| 3364 |
|
| 3365 | #define F2FS_COMPR_FL 0x00000004
|
| 3366 | #define F2FS_SYNC_FL 0x00000008
|
| 3367 | #define F2FS_IMMUTABLE_FL 0x00000010
|
| 3368 | #define F2FS_APPEND_FL 0x00000020
|
| 3369 | #define F2FS_NODUMP_FL 0x00000040
|
| 3370 | #define F2FS_NOATIME_FL 0x00000080
|
| 3371 | #define F2FS_NOCOMP_FL 0x00000400
|
| 3372 | #define F2FS_INDEX_FL 0x00001000
|
| 3373 | #define F2FS_DIRSYNC_FL 0x00010000
|
| 3374 | #define F2FS_PROJINHERIT_FL 0x20000000
|
| 3375 | #define F2FS_CASEFOLD_FL 0x40000000
|
| 3376 | #define F2FS_DEVICE_ALIAS_FL 0x80000000
|
| 3377 |
|
| 3378 | #define F2FS_QUOTA_DEFAULT_FL (F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL)
|
| 3379 |
|
| 3380 |
|
| 3381 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
|
| 3382 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
|
| 3383 | F2FS_CASEFOLD_FL)
|
| 3384 |
|
| 3385 |
|
| 3386 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
|
| 3387 | F2FS_CASEFOLD_FL))
|
| 3388 |
|
| 3389 |
|
| 3390 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
|
| 3391 |
|
| 3392 | #define IS_DEVICE_ALIASING(inode) (F2FS_I(inode)->i_flags & F2FS_DEVICE_ALIAS_FL)
|
| 3393 |
|
| 3394 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
|
| 3395 | {
|
| 3396 | if (S_ISDIR(mode))
|
| 3397 | return flags;
|
| 3398 | else if (S_ISREG(mode))
|
| 3399 | return flags & F2FS_REG_FLMASK;
|
| 3400 | else
|
| 3401 | return flags & F2FS_OTHER_FLMASK;
|
| 3402 | }
|
| 3403 |
|
| 3404 | static inline void __mark_inode_dirty_flag(struct inode *inode,
|
| 3405 | int flag, bool set)
|
| 3406 | {
|
| 3407 | switch (flag) {
|
| 3408 | case FI_INLINE_XATTR:
|
| 3409 | case FI_INLINE_DATA:
|
| 3410 | case FI_INLINE_DENTRY:
|
| 3411 | case FI_NEW_INODE:
|
| 3412 | if (set)
|
| 3413 | return;
|
| 3414 | fallthrough;
|
| 3415 | case FI_DATA_EXIST:
|
| 3416 | case FI_PIN_FILE:
|
| 3417 | case FI_COMPRESS_RELEASED:
|
| 3418 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3419 | }
|
| 3420 | }
|
| 3421 |
|
| 3422 | static inline void set_inode_flag(struct inode *inode, int flag)
|
| 3423 | {
|
| 3424 | set_bit(flag, F2FS_I(inode)->flags);
|
| 3425 | __mark_inode_dirty_flag(inode, flag, true);
|
| 3426 | }
|
| 3427 |
|
| 3428 | static inline int is_inode_flag_set(struct inode *inode, int flag)
|
| 3429 | {
|
| 3430 | return test_bit(flag, F2FS_I(inode)->flags);
|
| 3431 | }
|
| 3432 |
|
| 3433 | static inline void clear_inode_flag(struct inode *inode, int flag)
|
| 3434 | {
|
| 3435 | clear_bit(flag, F2FS_I(inode)->flags);
|
| 3436 | __mark_inode_dirty_flag(inode, flag, false);
|
| 3437 | }
|
| 3438 |
|
| 3439 | static inline bool f2fs_verity_in_progress(struct inode *inode)
|
| 3440 | {
|
| 3441 | return IS_ENABLED(CONFIG_FS_VERITY) &&
|
| 3442 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
|
| 3443 | }
|
| 3444 |
|
| 3445 | static inline void set_acl_inode(struct inode *inode, umode_t mode)
|
| 3446 | {
|
| 3447 | F2FS_I(inode)->i_acl_mode = mode;
|
| 3448 | set_inode_flag(inode, FI_ACL_MODE);
|
| 3449 | f2fs_mark_inode_dirty_sync(inode, false);
|
| 3450 | }
|
| 3451 |
|
| 3452 | static inline void f2fs_i_links_write(struct inode *inode, bool inc)
|
| 3453 | {
|
| 3454 | if (inc)
|
| 3455 | inc_nlink(inode);
|
| 3456 | else
|
| 3457 | drop_nlink(inode);
|
| 3458 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3459 | }
|
| 3460 |
|
| 3461 | static inline void f2fs_i_blocks_write(struct inode *inode,
|
| 3462 | block_t diff, bool add, bool claim)
|
| 3463 | {
|
| 3464 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
|
| 3465 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
|
| 3466 |
|
| 3467 |
|
| 3468 | if (add) {
|
| 3469 | if (claim)
|
| 3470 | dquot_claim_block(inode, diff);
|
| 3471 | else
|
| 3472 | dquot_alloc_block_nofail(inode, diff);
|
| 3473 | } else {
|
| 3474 | dquot_free_block(inode, diff);
|
| 3475 | }
|
| 3476 |
|
| 3477 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3478 | if (clean || recover)
|
| 3479 | set_inode_flag(inode, FI_AUTO_RECOVER);
|
| 3480 | }
|
| 3481 |
|
| 3482 | static inline bool f2fs_is_atomic_file(struct inode *inode);
|
| 3483 |
|
| 3484 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
|
| 3485 | {
|
| 3486 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
|
| 3487 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
|
| 3488 |
|
| 3489 | if (i_size_read(inode) == i_size)
|
| 3490 | return;
|
| 3491 |
|
| 3492 | i_size_write(inode, i_size);
|
| 3493 |
|
| 3494 | if (f2fs_is_atomic_file(inode))
|
| 3495 | return;
|
| 3496 |
|
| 3497 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3498 | if (clean || recover)
|
| 3499 | set_inode_flag(inode, FI_AUTO_RECOVER);
|
| 3500 | }
|
| 3501 |
|
| 3502 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
|
| 3503 | {
|
| 3504 | F2FS_I(inode)->i_current_depth = depth;
|
| 3505 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3506 | }
|
| 3507 |
|
| 3508 | static inline void f2fs_i_gc_failures_write(struct inode *inode,
|
| 3509 | unsigned int count)
|
| 3510 | {
|
| 3511 | F2FS_I(inode)->i_gc_failures = count;
|
| 3512 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3513 | }
|
| 3514 |
|
| 3515 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
|
| 3516 | {
|
| 3517 | F2FS_I(inode)->i_xattr_nid = xnid;
|
| 3518 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3519 | }
|
| 3520 |
|
| 3521 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
|
| 3522 | {
|
| 3523 | F2FS_I(inode)->i_pino = pino;
|
| 3524 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3525 | }
|
| 3526 |
|
| 3527 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
|
| 3528 | {
|
| 3529 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 3530 |
|
| 3531 | if (ri->i_inline & F2FS_INLINE_XATTR)
|
| 3532 | set_bit(FI_INLINE_XATTR, fi->flags);
|
| 3533 | if (ri->i_inline & F2FS_INLINE_DATA)
|
| 3534 | set_bit(FI_INLINE_DATA, fi->flags);
|
| 3535 | if (ri->i_inline & F2FS_INLINE_DENTRY)
|
| 3536 | set_bit(FI_INLINE_DENTRY, fi->flags);
|
| 3537 | if (ri->i_inline & F2FS_DATA_EXIST)
|
| 3538 | set_bit(FI_DATA_EXIST, fi->flags);
|
| 3539 | if (ri->i_inline & F2FS_EXTRA_ATTR)
|
| 3540 | set_bit(FI_EXTRA_ATTR, fi->flags);
|
| 3541 | if (ri->i_inline & F2FS_PIN_FILE)
|
| 3542 | set_bit(FI_PIN_FILE, fi->flags);
|
| 3543 | if (ri->i_inline & F2FS_COMPRESS_RELEASED)
|
| 3544 | set_bit(FI_COMPRESS_RELEASED, fi->flags);
|
| 3545 | }
|
| 3546 |
|
| 3547 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
|
| 3548 | {
|
| 3549 | ri->i_inline = 0;
|
| 3550 |
|
| 3551 | if (is_inode_flag_set(inode, FI_INLINE_XATTR))
|
| 3552 | ri->i_inline |= F2FS_INLINE_XATTR;
|
| 3553 | if (is_inode_flag_set(inode, FI_INLINE_DATA))
|
| 3554 | ri->i_inline |= F2FS_INLINE_DATA;
|
| 3555 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
|
| 3556 | ri->i_inline |= F2FS_INLINE_DENTRY;
|
| 3557 | if (is_inode_flag_set(inode, FI_DATA_EXIST))
|
| 3558 | ri->i_inline |= F2FS_DATA_EXIST;
|
| 3559 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
|
| 3560 | ri->i_inline |= F2FS_EXTRA_ATTR;
|
| 3561 | if (is_inode_flag_set(inode, FI_PIN_FILE))
|
| 3562 | ri->i_inline |= F2FS_PIN_FILE;
|
| 3563 | if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
|
| 3564 | ri->i_inline |= F2FS_COMPRESS_RELEASED;
|
| 3565 | }
|
| 3566 |
|
| 3567 | static inline int f2fs_has_extra_attr(struct inode *inode)
|
| 3568 | {
|
| 3569 | return is_inode_flag_set(inode, FI_EXTRA_ATTR);
|
| 3570 | }
|
| 3571 |
|
| 3572 | static inline int f2fs_has_inline_xattr(struct inode *inode)
|
| 3573 | {
|
| 3574 | return is_inode_flag_set(inode, FI_INLINE_XATTR);
|
| 3575 | }
|
| 3576 |
|
| 3577 | static inline int f2fs_compressed_file(struct inode *inode)
|
| 3578 | {
|
| 3579 | return S_ISREG(inode->i_mode) &&
|
| 3580 | is_inode_flag_set(inode, FI_COMPRESSED_FILE);
|
| 3581 | }
|
| 3582 |
|
| 3583 | static inline bool f2fs_need_compress_data(struct inode *inode)
|
| 3584 | {
|
| 3585 | int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
|
| 3586 |
|
| 3587 | if (!f2fs_compressed_file(inode))
|
| 3588 | return false;
|
| 3589 |
|
| 3590 | if (compress_mode == COMPR_MODE_FS)
|
| 3591 | return true;
|
| 3592 | else if (compress_mode == COMPR_MODE_USER &&
|
| 3593 | is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
|
| 3594 | return true;
|
| 3595 |
|
| 3596 | return false;
|
| 3597 | }
|
| 3598 |
|
| 3599 | static inline unsigned int addrs_per_page(struct inode *inode,
|
| 3600 | bool is_inode)
|
| 3601 | {
|
| 3602 | unsigned int addrs = is_inode ? (CUR_ADDRS_PER_INODE(inode) -
|
| 3603 | get_inline_xattr_addrs(inode)) : DEF_ADDRS_PER_BLOCK;
|
| 3604 |
|
| 3605 | if (f2fs_compressed_file(inode))
|
| 3606 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
|
| 3607 | return addrs;
|
| 3608 | }
|
| 3609 |
|
| 3610 | static inline
|
| 3611 | void *inline_xattr_addr(struct inode *inode, const struct folio *folio)
|
| 3612 | {
|
| 3613 | struct f2fs_inode *ri = F2FS_INODE(folio);
|
| 3614 |
|
| 3615 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
|
| 3616 | get_inline_xattr_addrs(inode)]);
|
| 3617 | }
|
| 3618 |
|
| 3619 | static inline int inline_xattr_size(struct inode *inode)
|
| 3620 | {
|
| 3621 | if (f2fs_has_inline_xattr(inode))
|
| 3622 | return get_inline_xattr_addrs(inode) * sizeof(__le32);
|
| 3623 | return 0;
|
| 3624 | }
|
| 3625 |
|
| 3626 | |
| 3627 | * Notice: check inline_data flag without inode page lock is unsafe.
|
| 3628 | * It could change at any time by f2fs_convert_inline_folio().
|
| 3629 |
|
| 3630 | static inline int f2fs_has_inline_data(struct inode *inode)
|
| 3631 | {
|
| 3632 | return is_inode_flag_set(inode, FI_INLINE_DATA);
|
| 3633 | }
|
| 3634 |
|
| 3635 | static inline int f2fs_exist_data(struct inode *inode)
|
| 3636 | {
|
| 3637 | return is_inode_flag_set(inode, FI_DATA_EXIST);
|
| 3638 | }
|
| 3639 |
|
| 3640 | static inline int f2fs_is_mmap_file(struct inode *inode)
|
| 3641 | {
|
| 3642 | return is_inode_flag_set(inode, FI_MMAP_FILE);
|
| 3643 | }
|
| 3644 |
|
| 3645 | static inline bool f2fs_is_pinned_file(struct inode *inode)
|
| 3646 | {
|
| 3647 | return is_inode_flag_set(inode, FI_PIN_FILE);
|
| 3648 | }
|
| 3649 |
|
| 3650 | static inline bool f2fs_is_atomic_file(struct inode *inode)
|
| 3651 | {
|
| 3652 | return is_inode_flag_set(inode, FI_ATOMIC_FILE);
|
| 3653 | }
|
| 3654 |
|
| 3655 | static inline bool f2fs_is_cow_file(struct inode *inode)
|
| 3656 | {
|
| 3657 | return is_inode_flag_set(inode, FI_COW_FILE);
|
| 3658 | }
|
| 3659 |
|
| 3660 | static inline void *inline_data_addr(struct inode *inode, struct folio *folio)
|
| 3661 | {
|
| 3662 | __le32 *addr = get_dnode_addr(inode, folio);
|
| 3663 |
|
| 3664 | return (void *)(addr + DEF_INLINE_RESERVED_SIZE);
|
| 3665 | }
|
| 3666 |
|
| 3667 | static inline int f2fs_has_inline_dentry(struct inode *inode)
|
| 3668 | {
|
| 3669 | return is_inode_flag_set(inode, FI_INLINE_DENTRY);
|
| 3670 | }
|
| 3671 |
|
| 3672 | static inline int is_file(struct inode *inode, int type)
|
| 3673 | {
|
| 3674 | return F2FS_I(inode)->i_advise & type;
|
| 3675 | }
|
| 3676 |
|
| 3677 | static inline void set_file(struct inode *inode, int type)
|
| 3678 | {
|
| 3679 | if (is_file(inode, type))
|
| 3680 | return;
|
| 3681 | F2FS_I(inode)->i_advise |= type;
|
| 3682 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3683 | }
|
| 3684 |
|
| 3685 | static inline void clear_file(struct inode *inode, int type)
|
| 3686 | {
|
| 3687 | if (!is_file(inode, type))
|
| 3688 | return;
|
| 3689 | F2FS_I(inode)->i_advise &= ~type;
|
| 3690 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 3691 | }
|
| 3692 |
|
| 3693 | static inline bool f2fs_is_time_consistent(struct inode *inode)
|
| 3694 | {
|
| 3695 | struct timespec64 ts = inode_get_atime(inode);
|
| 3696 |
|
| 3697 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &ts))
|
| 3698 | return false;
|
| 3699 | ts = inode_get_ctime(inode);
|
| 3700 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &ts))
|
| 3701 | return false;
|
| 3702 | ts = inode_get_mtime(inode);
|
| 3703 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &ts))
|
| 3704 | return false;
|
| 3705 | return true;
|
| 3706 | }
|
| 3707 |
|
| 3708 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
|
| 3709 | {
|
| 3710 | bool ret;
|
| 3711 |
|
| 3712 | if (dsync) {
|
| 3713 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
| 3714 |
|
| 3715 | spin_lock(&sbi->inode_lock[DIRTY_META]);
|
| 3716 | ret = list_empty(&F2FS_I(inode)->gdirty_list);
|
| 3717 | spin_unlock(&sbi->inode_lock[DIRTY_META]);
|
| 3718 | return ret;
|
| 3719 | }
|
| 3720 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
|
| 3721 | file_keep_isize(inode) ||
|
| 3722 | i_size_read(inode) & ~PAGE_MASK)
|
| 3723 | return false;
|
| 3724 |
|
| 3725 | if (!f2fs_is_time_consistent(inode))
|
| 3726 | return false;
|
| 3727 |
|
| 3728 | spin_lock(&F2FS_I(inode)->i_size_lock);
|
| 3729 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
|
| 3730 | spin_unlock(&F2FS_I(inode)->i_size_lock);
|
| 3731 |
|
| 3732 | return ret;
|
| 3733 | }
|
| 3734 |
|
| 3735 | static inline bool f2fs_readonly(struct super_block *sb)
|
| 3736 | {
|
| 3737 | return sb_rdonly(sb);
|
| 3738 | }
|
| 3739 |
|
| 3740 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
|
| 3741 | {
|
| 3742 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
|
| 3743 | }
|
| 3744 |
|
| 3745 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
|
| 3746 | size_t size, gfp_t flags)
|
| 3747 | {
|
| 3748 | if (time_to_inject(sbi, FAULT_KMALLOC))
|
| 3749 | return NULL;
|
| 3750 |
|
| 3751 | return kmalloc(size, flags);
|
| 3752 | }
|
| 3753 |
|
| 3754 | static inline void *f2fs_getname(struct f2fs_sb_info *sbi)
|
| 3755 | {
|
| 3756 | if (time_to_inject(sbi, FAULT_KMALLOC))
|
| 3757 | return NULL;
|
| 3758 |
|
| 3759 | return __getname();
|
| 3760 | }
|
| 3761 |
|
| 3762 | static inline void f2fs_putname(char *buf)
|
| 3763 | {
|
| 3764 | __putname(buf);
|
| 3765 | }
|
| 3766 |
|
| 3767 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
|
| 3768 | size_t size, gfp_t flags)
|
| 3769 | {
|
| 3770 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
|
| 3771 | }
|
| 3772 |
|
| 3773 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
|
| 3774 | size_t size, gfp_t flags)
|
| 3775 | {
|
| 3776 | if (time_to_inject(sbi, FAULT_KVMALLOC))
|
| 3777 | return NULL;
|
| 3778 |
|
| 3779 | return kvmalloc(size, flags);
|
| 3780 | }
|
| 3781 |
|
| 3782 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
|
| 3783 | size_t size, gfp_t flags)
|
| 3784 | {
|
| 3785 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
|
| 3786 | }
|
| 3787 |
|
| 3788 | static inline void *f2fs_vmalloc(struct f2fs_sb_info *sbi, size_t size)
|
| 3789 | {
|
| 3790 | if (time_to_inject(sbi, FAULT_VMALLOC))
|
| 3791 | return NULL;
|
| 3792 |
|
| 3793 | return vmalloc(size);
|
| 3794 | }
|
| 3795 |
|
| 3796 | static inline int get_extra_isize(struct inode *inode)
|
| 3797 | {
|
| 3798 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
|
| 3799 | }
|
| 3800 |
|
| 3801 | static inline int get_inline_xattr_addrs(struct inode *inode)
|
| 3802 | {
|
| 3803 | return F2FS_I(inode)->i_inline_xattr_size;
|
| 3804 | }
|
| 3805 |
|
| 3806 | #define f2fs_get_inode_mode(i) \
|
| 3807 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
|
| 3808 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
|
| 3809 |
|
| 3810 | #define F2FS_MIN_EXTRA_ATTR_SIZE (sizeof(__le32))
|
| 3811 |
|
| 3812 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
|
| 3813 | (offsetof(struct f2fs_inode, i_extra_end) - \
|
| 3814 | offsetof(struct f2fs_inode, i_extra_isize)) \
|
| 3815 |
|
| 3816 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
|
| 3817 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
|
| 3818 | ((offsetof(typeof(*(f2fs_inode)), field) + \
|
| 3819 | sizeof((f2fs_inode)->field)) \
|
| 3820 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
|
| 3821 |
|
| 3822 | #define __is_large_section(sbi) (SEGS_PER_SEC(sbi) > 1)
|
| 3823 |
|
| 3824 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
|
| 3825 |
|
| 3826 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
|
| 3827 | block_t blkaddr, int type);
|
| 3828 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
|
| 3829 | block_t blkaddr, int type)
|
| 3830 | {
|
| 3831 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type))
|
| 3832 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
|
| 3833 | blkaddr, type);
|
| 3834 | }
|
| 3835 |
|
| 3836 | static inline bool __is_valid_data_blkaddr(block_t blkaddr)
|
| 3837 | {
|
| 3838 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
|
| 3839 | blkaddr == COMPRESS_ADDR)
|
| 3840 | return false;
|
| 3841 | return true;
|
| 3842 | }
|
| 3843 |
|
| 3844 | |
| 3845 | * file.c
|
| 3846 |
|
| 3847 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
|
| 3848 | int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
|
| 3849 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
|
| 3850 | int f2fs_truncate(struct inode *inode);
|
| 3851 | int f2fs_getattr(const struct mnt_idmap *idmap, const struct path *path,
|
| 3852 | struct kstat *stat, u32 request_mask, unsigned int flags);
|
| 3853 | int f2fs_setattr(const struct mnt_idmap *idmap, struct dentry *dentry,
|
| 3854 | struct iattr *attr);
|
| 3855 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
|
| 3856 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
|
| 3857 | int f2fs_do_shutdown(struct f2fs_sb_info *sbi, unsigned int flag,
|
| 3858 | bool readonly, bool need_lock);
|
| 3859 | int f2fs_precache_extents(struct inode *inode);
|
| 3860 | int f2fs_fileattr_get(struct dentry *dentry, struct file_kattr *fa);
|
| 3861 | int f2fs_fileattr_set(const struct mnt_idmap *idmap,
|
| 3862 | struct dentry *dentry, struct file_kattr *fa);
|
| 3863 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
|
| 3864 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
|
| 3865 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
|
| 3866 | int f2fs_pin_file_control(struct inode *inode, bool inc);
|
| 3867 |
|
| 3868 | |
| 3869 | * inode.c
|
| 3870 |
|
| 3871 | void f2fs_set_inode_flags(struct inode *inode);
|
| 3872 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct folio *folio);
|
| 3873 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct folio *folio);
|
| 3874 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
|
| 3875 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
|
| 3876 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
|
| 3877 | void f2fs_update_inode(struct inode *inode, struct folio *node_folio);
|
| 3878 | void f2fs_update_inode_page(struct inode *inode);
|
| 3879 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
|
| 3880 | void f2fs_remove_donate_inode(struct inode *inode);
|
| 3881 | void f2fs_evict_inode(struct inode *inode);
|
| 3882 | void f2fs_handle_failed_inode(struct inode *inode,
|
| 3883 | struct f2fs_lock_context *lc, bool add_orphan);
|
| 3884 | int f2fs_init_evict_inode_work(void);
|
| 3885 | void f2fs_destroy_evict_inode_work(void);
|
| 3886 |
|
| 3887 | |
| 3888 | * namei.c
|
| 3889 |
|
| 3890 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
|
| 3891 | bool hot, bool set);
|
| 3892 | struct dentry *f2fs_get_parent(struct dentry *child);
|
| 3893 | int f2fs_get_tmpfile(const struct mnt_idmap *idmap, struct inode *dir,
|
| 3894 | struct inode **new_inode);
|
| 3895 |
|
| 3896 | |
| 3897 | * dir.c
|
| 3898 |
|
| 3899 | #if IS_ENABLED(CONFIG_UNICODE)
|
| 3900 | int f2fs_init_casefolded_name(const struct inode *dir,
|
| 3901 | struct f2fs_filename *fname);
|
| 3902 | void f2fs_free_casefolded_name(struct f2fs_filename *fname);
|
| 3903 | #else
|
| 3904 | static inline int f2fs_init_casefolded_name(const struct inode *dir,
|
| 3905 | struct f2fs_filename *fname)
|
| 3906 | {
|
| 3907 | return 0;
|
| 3908 | }
|
| 3909 |
|
| 3910 | static inline void f2fs_free_casefolded_name(struct f2fs_filename *fname)
|
| 3911 | {
|
| 3912 | }
|
| 3913 | #endif
|
| 3914 |
|
| 3915 | int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
|
| 3916 | int lookup, struct f2fs_filename *fname);
|
| 3917 | int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
|
| 3918 | struct f2fs_filename *fname);
|
| 3919 | void f2fs_free_filename(struct f2fs_filename *fname);
|
| 3920 | struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
|
| 3921 | const struct f2fs_filename *fname, int *max_slots,
|
| 3922 | bool use_hash);
|
| 3923 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
|
| 3924 | unsigned int start_pos, struct fscrypt_str *fstr);
|
| 3925 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
|
| 3926 | struct f2fs_dentry_ptr *d);
|
| 3927 | struct folio *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
|
| 3928 | const struct f2fs_filename *fname, struct folio *dfolio);
|
| 3929 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
|
| 3930 | unsigned int current_depth);
|
| 3931 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
|
| 3932 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
|
| 3933 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
|
| 3934 | const struct f2fs_filename *fname, struct folio **res_folio);
|
| 3935 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
|
| 3936 | const struct qstr *child, struct folio **res_folio);
|
| 3937 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct folio **f);
|
| 3938 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
|
| 3939 | struct folio **folio);
|
| 3940 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
|
| 3941 | struct folio *folio, struct inode *inode);
|
| 3942 | bool f2fs_has_enough_room(struct inode *dir, struct folio *ifolio,
|
| 3943 | const struct f2fs_filename *fname);
|
| 3944 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
|
| 3945 | const struct fscrypt_str *name, f2fs_hash_t name_hash,
|
| 3946 | unsigned int bit_pos);
|
| 3947 | int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
|
| 3948 | struct inode *inode, nid_t ino, umode_t mode);
|
| 3949 | int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
|
| 3950 | struct inode *inode, nid_t ino, umode_t mode);
|
| 3951 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
|
| 3952 | struct inode *inode, nid_t ino, umode_t mode);
|
| 3953 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct folio *folio,
|
| 3954 | struct inode *dir, struct inode *inode);
|
| 3955 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir,
|
| 3956 | struct f2fs_filename *fname);
|
| 3957 | bool f2fs_empty_dir(struct inode *dir);
|
| 3958 |
|
| 3959 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
|
| 3960 | {
|
| 3961 | if (fscrypt_is_nokey_name(dentry))
|
| 3962 | return -ENOKEY;
|
| 3963 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
|
| 3964 | inode, inode->i_ino, inode->i_mode);
|
| 3965 | }
|
| 3966 |
|
| 3967 | |
| 3968 | * super.c
|
| 3969 |
|
| 3970 | int f2fs_inode_dirtied(struct inode *inode, bool sync);
|
| 3971 | void f2fs_inode_synced(struct inode *inode);
|
| 3972 | int f2fs_dquot_initialize(struct inode *inode);
|
| 3973 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
|
| 3974 | int f2fs_do_quota_sync(struct super_block *sb, int type);
|
| 3975 | loff_t max_file_blocks(struct inode *inode);
|
| 3976 | void f2fs_quota_off_umount(struct super_block *sb);
|
| 3977 | void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag);
|
| 3978 | void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error);
|
| 3979 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
|
| 3980 | int f2fs_sync_fs(struct super_block *sb, int sync);
|
| 3981 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
|
| 3982 |
|
| 3983 | |
| 3984 | * hash.c
|
| 3985 |
|
| 3986 | void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
|
| 3987 |
|
| 3988 | |
| 3989 | * node.c
|
| 3990 |
|
| 3991 | struct node_info;
|
| 3992 | enum node_type;
|
| 3993 |
|
| 3994 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
|
| 3995 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
|
| 3996 | bool f2fs_in_warm_node_list(struct folio *folio);
|
| 3997 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
|
| 3998 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct folio *folio);
|
| 3999 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
|
| 4000 | bool f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
|
| 4001 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
|
| 4002 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
|
| 4003 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
|
| 4004 | struct node_info *ni, bool checkpoint_context);
|
| 4005 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
|
| 4006 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
|
| 4007 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
|
| 4008 | int f2fs_truncate_xattr_node(struct inode *inode);
|
| 4009 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
|
| 4010 | unsigned int seq_id);
|
| 4011 | int f2fs_remove_inode_page(struct inode *inode);
|
| 4012 | struct folio *f2fs_new_inode_folio(struct inode *inode);
|
| 4013 | struct folio *f2fs_new_node_folio(struct dnode_of_data *dn, unsigned int ofs);
|
| 4014 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
|
| 4015 | struct folio *f2fs_get_node_folio(struct f2fs_sb_info *sbi, pgoff_t nid,
|
| 4016 | enum node_type node_type);
|
| 4017 | int f2fs_sanity_check_node_footer(struct f2fs_sb_info *sbi,
|
| 4018 | struct folio *folio, pgoff_t nid,
|
| 4019 | enum node_type ntype, bool in_irq);
|
| 4020 | struct folio *f2fs_get_inode_folio(struct f2fs_sb_info *sbi, pgoff_t ino);
|
| 4021 | struct folio *f2fs_get_xnode_folio(struct f2fs_sb_info *sbi, pgoff_t xnid);
|
| 4022 | int f2fs_write_single_node_folio(struct folio *node_folio, int sync_mode,
|
| 4023 | bool mark_dirty, enum iostat_type io_type);
|
| 4024 | int f2fs_move_node_folio(struct folio *node_folio, int gc_type);
|
| 4025 | void f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
|
| 4026 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
|
| 4027 | struct writeback_control *wbc, bool atomic,
|
| 4028 | unsigned int *seq_id);
|
| 4029 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
|
| 4030 | struct writeback_control *wbc,
|
| 4031 | bool do_balance, enum iostat_type io_type);
|
| 4032 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
|
| 4033 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
|
| 4034 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
|
| 4035 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
|
| 4036 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
|
| 4037 | int f2fs_recover_inline_xattr(struct inode *inode, struct folio *folio);
|
| 4038 | int f2fs_recover_xattr_data(struct inode *inode, struct folio *folio);
|
| 4039 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct folio *folio);
|
| 4040 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
|
| 4041 | unsigned int segno, struct f2fs_summary_block *sum);
|
| 4042 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
|
| 4043 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
|
| 4044 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
|
| 4045 | int __init f2fs_create_node_manager_caches(void);
|
| 4046 | void f2fs_destroy_node_manager_caches(void);
|
| 4047 |
|
| 4048 | |
| 4049 | * segment.c
|
| 4050 |
|
| 4051 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
|
| 4052 | int f2fs_commit_atomic_write(struct inode *inode);
|
| 4053 | void f2fs_abort_atomic_write(struct inode *inode, bool clean);
|
| 4054 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
|
| 4055 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg);
|
| 4056 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
|
| 4057 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
|
| 4058 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
|
| 4059 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
|
| 4060 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr,
|
| 4061 | unsigned int len);
|
| 4062 | void f2fs_reserve_device_alias(struct f2fs_sb_info *sbi, block_t addr,
|
| 4063 | unsigned int len);
|
| 4064 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
|
| 4065 | int f2fs_start_discard_thread(struct f2fs_sb_info *sbi);
|
| 4066 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
|
| 4067 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
|
| 4068 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi, bool need_check);
|
| 4069 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
|
| 4070 | struct cp_control *cpc);
|
| 4071 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
|
| 4072 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
|
| 4073 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
|
| 4074 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
|
| 4075 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
|
| 4076 | bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
|
| 4077 | int f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
|
| 4078 | int f2fs_reinit_atgc_curseg(struct f2fs_sb_info *sbi);
|
| 4079 | void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
|
| 4080 | void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
|
| 4081 | int f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
|
| 4082 | unsigned int start, unsigned int end);
|
| 4083 | int f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
|
| 4084 | int f2fs_allocate_pinning_section(struct f2fs_sb_info *sbi);
|
| 4085 | int f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
|
| 4086 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
|
| 4087 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
|
| 4088 | struct cp_control *cpc);
|
| 4089 | struct folio *f2fs_get_sum_folio(struct f2fs_sb_info *sbi, unsigned int segno);
|
| 4090 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
|
| 4091 | block_t blk_addr);
|
| 4092 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct folio *folio,
|
| 4093 | enum iostat_type io_type);
|
| 4094 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
|
| 4095 | void f2fs_outplace_write_data(struct dnode_of_data *dn,
|
| 4096 | struct f2fs_io_info *fio);
|
| 4097 | int f2fs_inplace_write_data(struct f2fs_io_info *fio);
|
| 4098 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
|
| 4099 | block_t old_blkaddr, block_t new_blkaddr,
|
| 4100 | bool recover_curseg, bool recover_newaddr,
|
| 4101 | bool from_gc);
|
| 4102 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
|
| 4103 | block_t old_addr, block_t new_addr,
|
| 4104 | unsigned char version, bool recover_curseg,
|
| 4105 | bool recover_newaddr);
|
| 4106 | enum temp_type f2fs_get_segment_temp(struct f2fs_sb_info *sbi,
|
| 4107 | enum log_type seg_type);
|
| 4108 | int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct folio *folio,
|
| 4109 | block_t old_blkaddr, block_t *new_blkaddr,
|
| 4110 | struct f2fs_summary *sum, int type,
|
| 4111 | struct f2fs_io_info *fio);
|
| 4112 | void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
|
| 4113 | block_t blkaddr, unsigned int blkcnt);
|
| 4114 | void f2fs_folio_wait_writeback(struct folio *folio, enum page_type type,
|
| 4115 | bool ordered, bool locked);
|
| 4116 | #define f2fs_wait_on_page_writeback(page, type, ordered, locked) \
|
| 4117 | f2fs_folio_wait_writeback(page_folio(page), type, ordered, locked)
|
| 4118 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
|
| 4119 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
|
| 4120 | block_t len);
|
| 4121 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
|
| 4122 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
|
| 4123 | int f2fs_lookup_journal_in_cursum(struct f2fs_sb_info *sbi,
|
| 4124 | struct f2fs_journal *journal, int type,
|
| 4125 | unsigned int val, int alloc);
|
| 4126 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
|
| 4127 | int f2fs_check_and_fix_write_pointer(struct f2fs_sb_info *sbi);
|
| 4128 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
|
| 4129 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
|
| 4130 | int __init f2fs_create_segment_manager_caches(void);
|
| 4131 | void f2fs_destroy_segment_manager_caches(void);
|
| 4132 | int f2fs_rw_hint_to_seg_type(struct f2fs_sb_info *sbi, enum rw_hint hint);
|
| 4133 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
|
| 4134 | enum page_type type, enum temp_type temp);
|
| 4135 | u8 f2fs_io_type_to_write_stream(struct block_device *bdev,
|
| 4136 | enum page_type type, enum temp_type temp);
|
| 4137 | unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi);
|
| 4138 | unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
|
| 4139 | unsigned int segno);
|
| 4140 | unsigned long long f2fs_get_section_mtime(struct f2fs_sb_info *sbi,
|
| 4141 | unsigned int segno);
|
| 4142 |
|
| 4143 | static inline struct inode *fio_inode(struct f2fs_io_info *fio)
|
| 4144 | {
|
| 4145 | return fio->folio->mapping->host;
|
| 4146 | }
|
| 4147 |
|
| 4148 | #define DEF_FRAGMENT_SIZE 4
|
| 4149 | #define MIN_FRAGMENT_SIZE 1
|
| 4150 | #define MAX_FRAGMENT_SIZE 512
|
| 4151 |
|
| 4152 | static inline bool f2fs_need_rand_blk(struct f2fs_sb_info *sbi,
|
| 4153 | enum log_type type)
|
| 4154 | {
|
| 4155 | if (type == CURSEG_COLD_DATA_PINNED)
|
| 4156 | return false;
|
| 4157 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK;
|
| 4158 | }
|
| 4159 |
|
| 4160 | static inline bool f2fs_need_rand_seg(struct f2fs_sb_info *sbi,
|
| 4161 | enum log_type type)
|
| 4162 | {
|
| 4163 | if (type == CURSEG_COLD_DATA_PINNED)
|
| 4164 | return false;
|
| 4165 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_SEG;
|
| 4166 | }
|
| 4167 |
|
| 4168 | static inline bool f2fs_need_rand_seg_blk(struct f2fs_sb_info *sbi,
|
| 4169 | enum log_type type)
|
| 4170 | {
|
| 4171 | return f2fs_need_rand_blk(sbi, type) || f2fs_need_rand_seg(sbi, type);
|
| 4172 | }
|
| 4173 |
|
| 4174 | |
| 4175 | * checkpoint.c
|
| 4176 |
|
| 4177 | void f2fs_lock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc);
|
| 4178 | int f2fs_trylock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc);
|
| 4179 | void f2fs_unlock_op(struct f2fs_sb_info *sbi, struct f2fs_lock_context *lc);
|
| 4180 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io,
|
| 4181 | unsigned char reason);
|
| 4182 | void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi);
|
| 4183 | struct folio *f2fs_grab_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index);
|
| 4184 | struct folio *f2fs_get_meta_folio(struct f2fs_sb_info *sbi, pgoff_t index);
|
| 4185 | struct folio *f2fs_get_meta_folio_retry(struct f2fs_sb_info *sbi, pgoff_t index);
|
| 4186 | struct folio *f2fs_get_tmp_folio(struct f2fs_sb_info *sbi, pgoff_t index);
|
| 4187 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
|
| 4188 | block_t blkaddr, int type);
|
| 4189 | bool f2fs_is_valid_blkaddr_raw(struct f2fs_sb_info *sbi,
|
| 4190 | block_t blkaddr, int type);
|
| 4191 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
|
| 4192 | int type, bool sync);
|
| 4193 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index,
|
| 4194 | unsigned int ra_blocks);
|
| 4195 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, long nr_to_write,
|
| 4196 | enum iostat_type io_type);
|
| 4197 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
|
| 4198 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
|
| 4199 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
|
| 4200 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
|
| 4201 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
|
| 4202 | unsigned int devidx, int type);
|
| 4203 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
|
| 4204 | unsigned int devidx, int type);
|
| 4205 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
|
| 4206 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
|
| 4207 | void f2fs_add_orphan_inode(struct inode *inode);
|
| 4208 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
|
| 4209 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
|
| 4210 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
|
| 4211 | void f2fs_update_dirty_folio(struct inode *inode, struct folio *folio);
|
| 4212 | void f2fs_remove_dirty_inode(struct inode *inode);
|
| 4213 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type,
|
| 4214 | bool from_cp);
|
| 4215 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
|
| 4216 | u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
|
| 4217 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
|
| 4218 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
|
| 4219 | int __init f2fs_create_checkpoint_caches(void);
|
| 4220 | void f2fs_destroy_checkpoint_caches(void);
|
| 4221 | int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
|
| 4222 | int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
|
| 4223 | void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
|
| 4224 | void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
|
| 4225 |
|
| 4226 | |
| 4227 | * data.c
|
| 4228 |
|
| 4229 | int __init f2fs_init_bioset(void);
|
| 4230 | void f2fs_destroy_bioset(void);
|
| 4231 | bool f2fs_is_cp_guaranteed(const struct folio *folio);
|
| 4232 | int f2fs_init_bio_entry_cache(void);
|
| 4233 | void f2fs_destroy_bio_entry_cache(void);
|
| 4234 | void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, struct bio *bio,
|
| 4235 | enum page_type type);
|
| 4236 | int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi);
|
| 4237 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
|
| 4238 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
|
| 4239 | struct inode *inode, struct folio *folio,
|
| 4240 | nid_t ino, enum page_type type);
|
| 4241 | void f2fs_submit_merged_write_folio(struct f2fs_sb_info *sbi,
|
| 4242 | struct folio *folio, enum page_type type);
|
| 4243 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
|
| 4244 | struct bio **bio, struct folio *folio);
|
| 4245 | void f2fs_submit_all_merged_ipu_writes(struct f2fs_sb_info *sbi);
|
| 4246 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
|
| 4247 | int f2fs_submit_page_bio(struct f2fs_io_info *fio);
|
| 4248 | int f2fs_merge_page_bio(struct f2fs_io_info *fio);
|
| 4249 | void f2fs_submit_page_write(struct f2fs_io_info *fio);
|
| 4250 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
|
| 4251 | block_t blk_addr, sector_t *sector);
|
| 4252 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
|
| 4253 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
|
| 4254 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
|
| 4255 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
|
| 4256 | int f2fs_reserve_new_block(struct dnode_of_data *dn);
|
| 4257 | int f2fs_get_block_locked(struct dnode_of_data *dn, pgoff_t index);
|
| 4258 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
|
| 4259 | struct folio *f2fs_get_read_data_folio(struct inode *inode, pgoff_t index,
|
| 4260 | blk_opf_t op_flags, bool for_write, pgoff_t *next_pgofs);
|
| 4261 | struct folio *f2fs_find_data_folio(struct inode *inode, pgoff_t index,
|
| 4262 | pgoff_t *next_pgofs);
|
| 4263 | struct folio *f2fs_get_lock_data_folio(struct inode *inode, pgoff_t index,
|
| 4264 | bool for_write);
|
| 4265 | struct folio *f2fs_get_new_data_folio(struct inode *inode,
|
| 4266 | struct folio *ifolio, pgoff_t index, bool new_i_size);
|
| 4267 | int f2fs_do_write_data_page(struct f2fs_io_info *fio);
|
| 4268 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag);
|
| 4269 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
|
| 4270 | u64 start, u64 len);
|
| 4271 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
|
| 4272 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
|
| 4273 | int f2fs_write_single_data_page(struct folio *folio, int *submitted,
|
| 4274 | struct bio **bio, sector_t *last_block,
|
| 4275 | struct writeback_control *wbc,
|
| 4276 | enum iostat_type io_type,
|
| 4277 | int compr_blocks, bool allow_balance);
|
| 4278 | void f2fs_write_failed(struct inode *inode, loff_t to);
|
| 4279 | void f2fs_invalidate_folio(struct folio *folio, size_t offset, size_t length);
|
| 4280 | bool f2fs_release_folio(struct folio *folio, gfp_t wait);
|
| 4281 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
|
| 4282 | void f2fs_clear_page_cache_dirty_tag(struct folio *folio);
|
| 4283 | int f2fs_init_post_read_processing(void);
|
| 4284 | void f2fs_destroy_post_read_processing(void);
|
| 4285 | int f2fs_init_wq(struct f2fs_sb_info *sbi);
|
| 4286 | void f2fs_destroy_wq(struct f2fs_sb_info *sbi);
|
| 4287 | extern const struct iomap_ops f2fs_iomap_ops;
|
| 4288 |
|
| 4289 | |
| 4290 | * gc.c
|
| 4291 |
|
| 4292 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
|
| 4293 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
|
| 4294 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
|
| 4295 | int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control);
|
| 4296 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
|
| 4297 | int f2fs_gc_range(struct f2fs_sb_info *sbi,
|
| 4298 | unsigned int start_seg, unsigned int end_seg,
|
| 4299 | bool dry_run, unsigned int dry_run_sections, bool lock);
|
| 4300 | void f2fs_reset_gc_victim_resource(struct f2fs_sb_info *sbi,
|
| 4301 | unsigned int start, unsigned int end);
|
| 4302 | int f2fs_resize_fs(struct file *filp, __u64 block_count);
|
| 4303 | int __init f2fs_create_garbage_collection_cache(void);
|
| 4304 | void f2fs_destroy_garbage_collection_cache(void);
|
| 4305 |
|
| 4306 | int f2fs_get_victim(struct f2fs_sb_info *sbi, unsigned int *result,
|
| 4307 | int gc_type, int type, char alloc_mode,
|
| 4308 | unsigned long long age, bool one_time);
|
| 4309 |
|
| 4310 | |
| 4311 | * recovery.c
|
| 4312 |
|
| 4313 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
|
| 4314 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
|
| 4315 | int __init f2fs_create_recovery_cache(void);
|
| 4316 | void f2fs_destroy_recovery_cache(void);
|
| 4317 |
|
| 4318 | |
| 4319 | * debug.c
|
| 4320 |
|
| 4321 | #ifdef CONFIG_F2FS_STAT_FS
|
| 4322 | enum {
|
| 4323 | DEVSTAT_INUSE,
|
| 4324 | DEVSTAT_DIRTY,
|
| 4325 | DEVSTAT_FULL,
|
| 4326 | DEVSTAT_FREE,
|
| 4327 | DEVSTAT_PREFREE,
|
| 4328 | DEVSTAT_MAX,
|
| 4329 | };
|
| 4330 |
|
| 4331 | struct f2fs_dev_stats {
|
| 4332 | unsigned int devstats[2][DEVSTAT_MAX];
|
| 4333 | };
|
| 4334 |
|
| 4335 | struct f2fs_stat_info {
|
| 4336 | struct list_head stat_list;
|
| 4337 | struct f2fs_sb_info *sbi;
|
| 4338 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
|
| 4339 | int main_area_segs, main_area_sections, main_area_zones;
|
| 4340 | unsigned long long hit_cached[NR_EXTENT_CACHES];
|
| 4341 | unsigned long long hit_rbtree[NR_EXTENT_CACHES];
|
| 4342 | unsigned long long total_ext[NR_EXTENT_CACHES];
|
| 4343 | unsigned long long hit_total[NR_EXTENT_CACHES];
|
| 4344 | int ext_tree[NR_EXTENT_CACHES];
|
| 4345 | int zombie_tree[NR_EXTENT_CACHES];
|
| 4346 | int ext_node[NR_EXTENT_CACHES];
|
| 4347 |
|
| 4348 | unsigned long long ext_mem[NR_EXTENT_CACHES];
|
| 4349 |
|
| 4350 | unsigned long long hit_largest;
|
| 4351 |
|
| 4352 | unsigned long long allocated_data_blocks;
|
| 4353 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
|
| 4354 | int ndirty_data, ndirty_qdata;
|
| 4355 | unsigned int ndirty_dirs, ndirty_files, ndirty_all;
|
| 4356 | unsigned int nquota_files, ndonate_files;
|
| 4357 | int nats, dirty_nats, sits, dirty_sits;
|
| 4358 | int free_nids, avail_nids, alloc_nids;
|
| 4359 | int total_count, utilization;
|
| 4360 | int nr_wb_cp_data, nr_wb_data;
|
| 4361 | int nr_rd_data, nr_rd_node, nr_rd_meta;
|
| 4362 | int nr_dio_read, nr_dio_write;
|
| 4363 | unsigned int io_skip_bggc, other_skip_bggc;
|
| 4364 | int nr_flushing, nr_flushed, flush_list_empty;
|
| 4365 | int nr_discarding, nr_discarded;
|
| 4366 | int nr_discard_cmd;
|
| 4367 | unsigned int undiscard_blks;
|
| 4368 | int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
|
| 4369 | unsigned int cur_ckpt_time, peak_ckpt_time;
|
| 4370 | int inline_xattr, inline_inode, inline_dir, append, update, orphans;
|
| 4371 | int compr_inode, swapfile_inode;
|
| 4372 | unsigned long long compr_blocks;
|
| 4373 | int aw_cnt, max_aw_cnt;
|
| 4374 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
|
| 4375 | unsigned int bimodal, avg_vblocks;
|
| 4376 | int util_free, util_valid, util_invalid;
|
| 4377 | int rsvd_segs, overp_segs;
|
| 4378 | int dirty_count, node_pages, meta_pages, compress_pages;
|
| 4379 | int compress_page_hit;
|
| 4380 | int prefree_count, free_segs, free_secs;
|
| 4381 | int cp_call_count[MAX_CALL_TYPE], cp_count;
|
| 4382 | int gc_call_count[MAX_CALL_TYPE];
|
| 4383 | int gc_segs[2][2];
|
| 4384 | int gc_secs[2][2];
|
| 4385 | int tot_blks, data_blks, node_blks;
|
| 4386 | int bg_data_blks, bg_node_blks;
|
| 4387 | unsigned int defrag_blks;
|
| 4388 | int blkoff[NR_CURSEG_TYPE];
|
| 4389 | int curseg[NR_CURSEG_TYPE];
|
| 4390 | int cursec[NR_CURSEG_TYPE];
|
| 4391 | int curzone[NR_CURSEG_TYPE];
|
| 4392 | unsigned int dirty_seg[NR_CURSEG_TYPE];
|
| 4393 | unsigned int full_seg[NR_CURSEG_TYPE];
|
| 4394 | unsigned int valid_blks[NR_CURSEG_TYPE];
|
| 4395 |
|
| 4396 | unsigned int meta_count[META_MAX];
|
| 4397 | unsigned int segment_count[2];
|
| 4398 | unsigned int block_count[2];
|
| 4399 | unsigned int inplace_count;
|
| 4400 | unsigned long long base_mem, cache_mem, page_mem;
|
| 4401 | struct f2fs_dev_stats *dev_stats;
|
| 4402 | };
|
| 4403 |
|
| 4404 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
|
| 4405 | {
|
| 4406 | return (struct f2fs_stat_info *)sbi->stat_info;
|
| 4407 | }
|
| 4408 |
|
| 4409 | #define stat_inc_cp_call_count(sbi, foreground) \
|
| 4410 | atomic_inc(&sbi->cp_call_count[(foreground)])
|
| 4411 | #define stat_inc_cp_count(sbi) (F2FS_STAT(sbi)->cp_count++)
|
| 4412 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
|
| 4413 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
|
| 4414 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
|
| 4415 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
|
| 4416 | #define stat_inc_total_hit(sbi, type) (atomic64_inc(&(sbi)->total_hit_ext[type]))
|
| 4417 | #define stat_inc_rbtree_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_rbtree[type]))
|
| 4418 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
|
| 4419 | #define stat_inc_cached_node_hit(sbi, type) (atomic64_inc(&(sbi)->read_hit_cached[type]))
|
| 4420 | #define stat_inc_inline_xattr(inode) \
|
| 4421 | do { \
|
| 4422 | if (f2fs_has_inline_xattr(inode)) \
|
| 4423 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
|
| 4424 | } while (0)
|
| 4425 | #define stat_dec_inline_xattr(inode) \
|
| 4426 | do { \
|
| 4427 | if (f2fs_has_inline_xattr(inode)) \
|
| 4428 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
|
| 4429 | } while (0)
|
| 4430 | #define stat_inc_inline_inode(inode) \
|
| 4431 | do { \
|
| 4432 | if (f2fs_has_inline_data(inode)) \
|
| 4433 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
|
| 4434 | } while (0)
|
| 4435 | #define stat_dec_inline_inode(inode) \
|
| 4436 | do { \
|
| 4437 | if (f2fs_has_inline_data(inode)) \
|
| 4438 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
|
| 4439 | } while (0)
|
| 4440 | #define stat_inc_inline_dir(inode) \
|
| 4441 | do { \
|
| 4442 | if (f2fs_has_inline_dentry(inode)) \
|
| 4443 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
|
| 4444 | } while (0)
|
| 4445 | #define stat_dec_inline_dir(inode) \
|
| 4446 | do { \
|
| 4447 | if (f2fs_has_inline_dentry(inode)) \
|
| 4448 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
|
| 4449 | } while (0)
|
| 4450 | #define stat_inc_compr_inode(inode) \
|
| 4451 | do { \
|
| 4452 | if (f2fs_compressed_file(inode)) \
|
| 4453 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
|
| 4454 | } while (0)
|
| 4455 | #define stat_dec_compr_inode(inode) \
|
| 4456 | do { \
|
| 4457 | if (f2fs_compressed_file(inode)) \
|
| 4458 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
|
| 4459 | } while (0)
|
| 4460 | #define stat_add_compr_blocks(inode, blocks) \
|
| 4461 | (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
|
| 4462 | #define stat_sub_compr_blocks(inode, blocks) \
|
| 4463 | (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
|
| 4464 | #define stat_inc_swapfile_inode(inode) \
|
| 4465 | (atomic_inc(&F2FS_I_SB(inode)->swapfile_inode))
|
| 4466 | #define stat_dec_swapfile_inode(inode) \
|
| 4467 | (atomic_dec(&F2FS_I_SB(inode)->swapfile_inode))
|
| 4468 | #define stat_inc_atomic_inode(inode) \
|
| 4469 | (atomic_inc(&F2FS_I_SB(inode)->atomic_files))
|
| 4470 | #define stat_dec_atomic_inode(inode) \
|
| 4471 | (atomic_dec(&F2FS_I_SB(inode)->atomic_files))
|
| 4472 | #define stat_inc_meta_count(sbi, blkaddr) \
|
| 4473 | do { \
|
| 4474 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \
|
| 4475 | atomic_inc(&(sbi)->meta_count[META_CP]); \
|
| 4476 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
|
| 4477 | atomic_inc(&(sbi)->meta_count[META_SIT]); \
|
| 4478 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
|
| 4479 | atomic_inc(&(sbi)->meta_count[META_NAT]); \
|
| 4480 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \
|
| 4481 | atomic_inc(&(sbi)->meta_count[META_SSA]); \
|
| 4482 | } while (0)
|
| 4483 | #define stat_inc_seg_type(sbi, curseg) \
|
| 4484 | ((sbi)->segment_count[(curseg)->alloc_type]++)
|
| 4485 | #define stat_inc_block_count(sbi, curseg) \
|
| 4486 | ((sbi)->block_count[(curseg)->alloc_type]++)
|
| 4487 | #define stat_inc_inplace_blocks(sbi) \
|
| 4488 | (atomic_inc(&(sbi)->inplace_count))
|
| 4489 | #define stat_update_max_atomic_write(inode) \
|
| 4490 | do { \
|
| 4491 | int cur = atomic_read(&F2FS_I_SB(inode)->atomic_files); \
|
| 4492 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
|
| 4493 | if (cur > max) \
|
| 4494 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
|
| 4495 | } while (0)
|
| 4496 | #define stat_inc_gc_call_count(sbi, foreground) \
|
| 4497 | (F2FS_STAT(sbi)->gc_call_count[(foreground)]++)
|
| 4498 | #define stat_inc_gc_sec_count(sbi, type, gc_type) \
|
| 4499 | (F2FS_STAT(sbi)->gc_secs[(type)][(gc_type)]++)
|
| 4500 | #define stat_inc_gc_seg_count(sbi, type, gc_type) \
|
| 4501 | (F2FS_STAT(sbi)->gc_segs[(type)][(gc_type)]++)
|
| 4502 |
|
| 4503 | #define stat_inc_tot_blk_count(si, blks) \
|
| 4504 | ((si)->tot_blks += (blks))
|
| 4505 |
|
| 4506 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \
|
| 4507 | do { \
|
| 4508 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \
|
| 4509 | stat_inc_tot_blk_count(si, blks); \
|
| 4510 | si->data_blks += (blks); \
|
| 4511 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
|
| 4512 | } while (0)
|
| 4513 |
|
| 4514 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \
|
| 4515 | do { \
|
| 4516 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \
|
| 4517 | stat_inc_tot_blk_count(si, blks); \
|
| 4518 | si->node_blks += (blks); \
|
| 4519 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
|
| 4520 | } while (0)
|
| 4521 |
|
| 4522 | #define stat_inc_defrag_blk_count(sbi, blks) \
|
| 4523 | (F2FS_STAT(sbi)->defrag_blks += (blks))
|
| 4524 |
|
| 4525 | int f2fs_build_stats(struct f2fs_sb_info *sbi);
|
| 4526 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
|
| 4527 | void __init f2fs_create_root_stats(void);
|
| 4528 | void f2fs_destroy_root_stats(void);
|
| 4529 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
|
| 4530 | #else
|
| 4531 | #define stat_inc_cp_call_count(sbi, foreground) do { } while (0)
|
| 4532 | #define stat_inc_cp_count(sbi) do { } while (0)
|
| 4533 | #define stat_io_skip_bggc_count(sbi) do { } while (0)
|
| 4534 | #define stat_other_skip_bggc_count(sbi) do { } while (0)
|
| 4535 | #define stat_inc_dirty_inode(sbi, type) do { } while (0)
|
| 4536 | #define stat_dec_dirty_inode(sbi, type) do { } while (0)
|
| 4537 | #define stat_inc_total_hit(sbi, type) do { } while (0)
|
| 4538 | #define stat_inc_rbtree_node_hit(sbi, type) do { } while (0)
|
| 4539 | #define stat_inc_largest_node_hit(sbi) do { } while (0)
|
| 4540 | #define stat_inc_cached_node_hit(sbi, type) do { } while (0)
|
| 4541 | #define stat_inc_inline_xattr(inode) do { } while (0)
|
| 4542 | #define stat_dec_inline_xattr(inode) do { } while (0)
|
| 4543 | #define stat_inc_inline_inode(inode) do { } while (0)
|
| 4544 | #define stat_dec_inline_inode(inode) do { } while (0)
|
| 4545 | #define stat_inc_inline_dir(inode) do { } while (0)
|
| 4546 | #define stat_dec_inline_dir(inode) do { } while (0)
|
| 4547 | #define stat_inc_compr_inode(inode) do { } while (0)
|
| 4548 | #define stat_dec_compr_inode(inode) do { } while (0)
|
| 4549 | #define stat_add_compr_blocks(inode, blocks) do { } while (0)
|
| 4550 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
|
| 4551 | #define stat_inc_swapfile_inode(inode) do { } while (0)
|
| 4552 | #define stat_dec_swapfile_inode(inode) do { } while (0)
|
| 4553 | #define stat_inc_atomic_inode(inode) do { } while (0)
|
| 4554 | #define stat_dec_atomic_inode(inode) do { } while (0)
|
| 4555 | #define stat_update_max_atomic_write(inode) do { } while (0)
|
| 4556 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
|
| 4557 | #define stat_inc_seg_type(sbi, curseg) do { } while (0)
|
| 4558 | #define stat_inc_block_count(sbi, curseg) do { } while (0)
|
| 4559 | #define stat_inc_inplace_blocks(sbi) do { } while (0)
|
| 4560 | #define stat_inc_gc_call_count(sbi, foreground) do { } while (0)
|
| 4561 | #define stat_inc_gc_sec_count(sbi, type, gc_type) do { } while (0)
|
| 4562 | #define stat_inc_gc_seg_count(sbi, type, gc_type) do { } while (0)
|
| 4563 | #define stat_inc_tot_blk_count(si, blks) do { } while (0)
|
| 4564 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
|
| 4565 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
|
| 4566 | #define stat_inc_defrag_blk_count(sbi, blks) do { } while (0)
|
| 4567 |
|
| 4568 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
|
| 4569 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
|
| 4570 | static inline void __init f2fs_create_root_stats(void) { }
|
| 4571 | static inline void f2fs_destroy_root_stats(void) { }
|
| 4572 | static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
|
| 4573 | #endif
|
| 4574 |
|
| 4575 | extern const struct file_operations f2fs_dir_operations;
|
| 4576 | extern const struct file_operations f2fs_file_operations;
|
| 4577 | extern const struct inode_operations f2fs_file_inode_operations;
|
| 4578 | extern const struct address_space_operations f2fs_dblock_aops;
|
| 4579 | extern const struct address_space_operations f2fs_node_aops;
|
| 4580 | extern const struct address_space_operations f2fs_meta_aops;
|
| 4581 | extern const struct inode_operations f2fs_dir_inode_operations;
|
| 4582 | extern const struct inode_operations f2fs_symlink_inode_operations;
|
| 4583 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
|
| 4584 | extern const struct inode_operations f2fs_special_inode_operations;
|
| 4585 | extern struct kmem_cache *f2fs_inode_entry_slab;
|
| 4586 |
|
| 4587 | |
| 4588 | * inline.c
|
| 4589 |
|
| 4590 | bool f2fs_may_inline_data(struct inode *inode);
|
| 4591 | bool f2fs_sanity_check_inline_data(struct inode *inode, struct folio *ifolio);
|
| 4592 | bool f2fs_may_inline_dentry(struct inode *inode);
|
| 4593 | void f2fs_do_read_inline_data(struct folio *folio, struct folio *ifolio);
|
| 4594 | void f2fs_truncate_inline_inode(struct inode *inode, struct folio *ifolio,
|
| 4595 | u64 from);
|
| 4596 | int f2fs_read_inline_data(struct inode *inode, struct folio *folio);
|
| 4597 | int f2fs_convert_inline_folio(struct dnode_of_data *dn, struct folio *folio);
|
| 4598 | int f2fs_convert_inline_inode(struct inode *inode);
|
| 4599 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
|
| 4600 | int f2fs_write_inline_data(struct inode *inode, struct folio *folio);
|
| 4601 | int f2fs_recover_inline_data(struct inode *inode, struct folio *nfolio);
|
| 4602 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
|
| 4603 | const struct f2fs_filename *fname, struct folio **res_folio,
|
| 4604 | bool use_hash);
|
| 4605 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
|
| 4606 | struct folio *ifolio);
|
| 4607 | int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
|
| 4608 | struct inode *inode, nid_t ino, umode_t mode);
|
| 4609 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
|
| 4610 | struct folio *folio, struct inode *dir, struct inode *inode);
|
| 4611 | bool f2fs_empty_inline_dir(struct inode *dir);
|
| 4612 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
|
| 4613 | struct fscrypt_str *fstr);
|
| 4614 | int f2fs_inline_data_fiemap(struct inode *inode,
|
| 4615 | struct fiemap_extent_info *fieinfo,
|
| 4616 | __u64 start, __u64 len);
|
| 4617 |
|
| 4618 | |
| 4619 | * shrinker.c
|
| 4620 |
|
| 4621 | unsigned long f2fs_shrink_count(struct shrinker *shrink,
|
| 4622 | struct shrink_control *sc);
|
| 4623 | unsigned long f2fs_shrink_scan(struct shrinker *shrink,
|
| 4624 | struct shrink_control *sc);
|
| 4625 | unsigned int f2fs_donate_files(void);
|
| 4626 | void f2fs_reclaim_caches(unsigned int reclaim_caches_kb);
|
| 4627 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
|
| 4628 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
|
| 4629 |
|
| 4630 | |
| 4631 | * extent_cache.c
|
| 4632 |
|
| 4633 | bool sanity_check_extent_cache(struct inode *inode, struct folio *ifolio);
|
| 4634 | void f2fs_init_extent_tree(struct inode *inode);
|
| 4635 | void f2fs_drop_extent_tree(struct inode *inode);
|
| 4636 | void f2fs_destroy_extent_node(struct inode *inode);
|
| 4637 | void f2fs_destroy_extent_tree(struct inode *inode);
|
| 4638 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
|
| 4639 | int __init f2fs_create_extent_cache(void);
|
| 4640 | void f2fs_destroy_extent_cache(void);
|
| 4641 |
|
| 4642 |
|
| 4643 | void f2fs_init_read_extent_tree(struct inode *inode, struct folio *ifolio);
|
| 4644 | bool f2fs_lookup_read_extent_cache(struct inode *inode, pgoff_t pgofs,
|
| 4645 | struct extent_info *ei);
|
| 4646 | bool f2fs_lookup_read_extent_cache_block(struct inode *inode, pgoff_t index,
|
| 4647 | block_t *blkaddr);
|
| 4648 | void f2fs_update_read_extent_cache(struct dnode_of_data *dn);
|
| 4649 | void f2fs_update_read_extent_cache_range(struct dnode_of_data *dn,
|
| 4650 | pgoff_t fofs, block_t blkaddr, unsigned int len);
|
| 4651 | unsigned int f2fs_shrink_read_extent_tree(struct f2fs_sb_info *sbi,
|
| 4652 | int nr_shrink);
|
| 4653 |
|
| 4654 |
|
| 4655 | void f2fs_init_age_extent_tree(struct inode *inode);
|
| 4656 | bool f2fs_lookup_age_extent_cache(struct inode *inode, pgoff_t pgofs,
|
| 4657 | struct extent_info *ei);
|
| 4658 | void f2fs_update_age_extent_cache(struct dnode_of_data *dn);
|
| 4659 | void f2fs_update_age_extent_cache_range(struct dnode_of_data *dn,
|
| 4660 | pgoff_t fofs, unsigned int len);
|
| 4661 | unsigned int f2fs_shrink_age_extent_tree(struct f2fs_sb_info *sbi,
|
| 4662 | int nr_shrink);
|
| 4663 |
|
| 4664 | |
| 4665 | * sysfs.c
|
| 4666 |
|
| 4667 | #define MIN_RA_MUL 2
|
| 4668 | #define MAX_RA_MUL 256
|
| 4669 |
|
| 4670 | int __init f2fs_init_sysfs(void);
|
| 4671 | void f2fs_exit_sysfs(void);
|
| 4672 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
|
| 4673 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
|
| 4674 |
|
| 4675 |
|
| 4676 | extern const struct fsverity_operations f2fs_verityops;
|
| 4677 |
|
| 4678 | |
| 4679 | * crypto support
|
| 4680 |
|
| 4681 | static inline bool f2fs_encrypted_file(struct inode *inode)
|
| 4682 | {
|
| 4683 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
|
| 4684 | }
|
| 4685 |
|
| 4686 | static inline void f2fs_set_encrypted_inode(struct inode *inode)
|
| 4687 | {
|
| 4688 | #ifdef CONFIG_FS_ENCRYPTION
|
| 4689 | file_set_encrypt(inode);
|
| 4690 | f2fs_set_inode_flags(inode);
|
| 4691 | #endif
|
| 4692 | }
|
| 4693 |
|
| 4694 | |
| 4695 | * Returns true if the reads of the inode's data need to undergo some
|
| 4696 | * postprocessing step, like decryption or authenticity verification.
|
| 4697 |
|
| 4698 | static inline bool f2fs_post_read_required(struct inode *inode)
|
| 4699 | {
|
| 4700 | return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
|
| 4701 | f2fs_compressed_file(inode);
|
| 4702 | }
|
| 4703 |
|
| 4704 | static inline bool f2fs_used_in_atomic_write(struct inode *inode)
|
| 4705 | {
|
| 4706 | return f2fs_is_atomic_file(inode) || f2fs_is_cow_file(inode);
|
| 4707 | }
|
| 4708 |
|
| 4709 | static inline bool f2fs_meta_inode_gc_required(struct inode *inode)
|
| 4710 | {
|
| 4711 | return f2fs_post_read_required(inode) || f2fs_used_in_atomic_write(inode);
|
| 4712 | }
|
| 4713 |
|
| 4714 | |
| 4715 | * compress.c
|
| 4716 |
|
| 4717 | #ifdef CONFIG_F2FS_FS_COMPRESSION
|
| 4718 | enum cluster_check_type {
|
| 4719 | CLUSTER_IS_COMPR,
|
| 4720 | CLUSTER_COMPR_BLKS,
|
| 4721 | CLUSTER_RAW_BLKS
|
| 4722 | };
|
| 4723 | bool f2fs_is_compressed_page(struct folio *folio);
|
| 4724 | struct folio *f2fs_compress_control_folio(struct folio *folio);
|
| 4725 | int f2fs_prepare_compress_overwrite(struct inode *inode,
|
| 4726 | struct page **pagep, pgoff_t index, void **fsdata);
|
| 4727 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
|
| 4728 | pgoff_t index, unsigned copied);
|
| 4729 | int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
|
| 4730 | void f2fs_compress_write_end_io(struct bio *bio, struct folio *folio);
|
| 4731 | bool f2fs_is_compress_backend_ready(struct inode *inode);
|
| 4732 | bool f2fs_is_compress_level_valid(int alg, int lvl);
|
| 4733 | int __init f2fs_init_compress_mempool(void);
|
| 4734 | void f2fs_destroy_compress_mempool(void);
|
| 4735 | void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task);
|
| 4736 | void f2fs_end_read_compressed_page(struct folio *folio, bool failed,
|
| 4737 | block_t blkaddr, bool in_task);
|
| 4738 | bool f2fs_cluster_is_empty(struct compress_ctx *cc);
|
| 4739 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
|
| 4740 | bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages,
|
| 4741 | int index, int nr_pages, bool uptodate);
|
| 4742 | bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
|
| 4743 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio);
|
| 4744 | int f2fs_write_multi_pages(struct compress_ctx *cc,
|
| 4745 | int *submitted,
|
| 4746 | struct writeback_control *wbc,
|
| 4747 | enum iostat_type io_type);
|
| 4748 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
|
| 4749 | bool f2fs_is_sparse_cluster(struct inode *inode, pgoff_t index);
|
| 4750 | void f2fs_update_read_extent_tree_range_compressed(struct inode *inode,
|
| 4751 | pgoff_t fofs, block_t blkaddr,
|
| 4752 | unsigned int llen, unsigned int c_len);
|
| 4753 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
|
| 4754 | unsigned nr_pages, sector_t *last_block_in_bio,
|
| 4755 | struct readahead_control *rac, bool for_write);
|
| 4756 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
|
| 4757 | void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed,
|
| 4758 | bool in_task);
|
| 4759 | void f2fs_put_folio_dic(struct folio *folio, bool in_task);
|
| 4760 | unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn,
|
| 4761 | unsigned int ofs_in_node);
|
| 4762 | int f2fs_init_compress_ctx(struct compress_ctx *cc);
|
| 4763 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
|
| 4764 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
|
| 4765 | int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
|
| 4766 | void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
|
| 4767 | int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
|
| 4768 | void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
|
| 4769 | int __init f2fs_init_compress_cache(void);
|
| 4770 | void f2fs_destroy_compress_cache(void);
|
| 4771 | struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
|
| 4772 | void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi,
|
| 4773 | block_t blkaddr, unsigned int len);
|
| 4774 | bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi, struct folio *folio,
|
| 4775 | block_t blkaddr);
|
| 4776 | void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
|
| 4777 | #define inc_compr_inode_stat(inode) \
|
| 4778 | do { \
|
| 4779 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
|
| 4780 | sbi->compr_new_inode++; \
|
| 4781 | } while (0)
|
| 4782 | #define add_compr_block_stat(inode, blocks) \
|
| 4783 | do { \
|
| 4784 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
|
| 4785 | int diff = F2FS_I(inode)->i_cluster_size - blocks; \
|
| 4786 | sbi->compr_written_block += blocks; \
|
| 4787 | sbi->compr_saved_block += diff; \
|
| 4788 | } while (0)
|
| 4789 | #else
|
| 4790 | static inline bool f2fs_is_compressed_page(struct folio *folio) { return false; }
|
| 4791 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
|
| 4792 | {
|
| 4793 | if (!f2fs_compressed_file(inode))
|
| 4794 | return true;
|
| 4795 |
|
| 4796 | return false;
|
| 4797 | }
|
| 4798 | static inline bool f2fs_is_compress_level_valid(int alg, int lvl) { return false; }
|
| 4799 | static inline struct folio *f2fs_compress_control_folio(struct folio *folio)
|
| 4800 | {
|
| 4801 | WARN_ON_ONCE(1);
|
| 4802 | return ERR_PTR(-EINVAL);
|
| 4803 | }
|
| 4804 | static inline int __init f2fs_init_compress_mempool(void) { return 0; }
|
| 4805 | static inline void f2fs_destroy_compress_mempool(void) { }
|
| 4806 | static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic,
|
| 4807 | bool in_task) { }
|
| 4808 | static inline void f2fs_end_read_compressed_page(struct folio *folio,
|
| 4809 | bool failed, block_t blkaddr, bool in_task)
|
| 4810 | {
|
| 4811 | WARN_ON_ONCE(1);
|
| 4812 | }
|
| 4813 | static inline void f2fs_put_folio_dic(struct folio *folio, bool in_task)
|
| 4814 | {
|
| 4815 | WARN_ON_ONCE(1);
|
| 4816 | }
|
| 4817 | static inline unsigned int f2fs_cluster_blocks_are_contiguous(
|
| 4818 | struct dnode_of_data *dn, unsigned int ofs_in_node) { return 0; }
|
| 4819 | static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; }
|
| 4820 | static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
|
| 4821 | static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
|
| 4822 | static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
|
| 4823 | static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
|
| 4824 | static inline int __init f2fs_init_compress_cache(void) { return 0; }
|
| 4825 | static inline void f2fs_destroy_compress_cache(void) { }
|
| 4826 | static inline void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi,
|
| 4827 | block_t blkaddr, unsigned int len) { }
|
| 4828 | static inline bool f2fs_load_compressed_folio(struct f2fs_sb_info *sbi,
|
| 4829 | struct folio *folio, block_t blkaddr) { return false; }
|
| 4830 | static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
|
| 4831 | nid_t ino) { }
|
| 4832 | #define inc_compr_inode_stat(inode) do { } while (0)
|
| 4833 | static inline int f2fs_is_compressed_cluster(
|
| 4834 | struct inode *inode,
|
| 4835 | pgoff_t index) { return 0; }
|
| 4836 | static inline bool f2fs_is_sparse_cluster(
|
| 4837 | struct inode *inode,
|
| 4838 | pgoff_t index) { return true; }
|
| 4839 | static inline void f2fs_update_read_extent_tree_range_compressed(
|
| 4840 | struct inode *inode,
|
| 4841 | pgoff_t fofs, block_t blkaddr,
|
| 4842 | unsigned int llen, unsigned int c_len) { }
|
| 4843 | #endif
|
| 4844 |
|
| 4845 | static inline int set_compress_context(struct inode *inode)
|
| 4846 | {
|
| 4847 | #ifdef CONFIG_F2FS_FS_COMPRESSION
|
| 4848 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
| 4849 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 4850 |
|
| 4851 | fi->i_compress_algorithm = F2FS_OPTION(sbi).compress_algorithm;
|
| 4852 | fi->i_log_cluster_size = F2FS_OPTION(sbi).compress_log_size;
|
| 4853 | fi->i_compress_flag = F2FS_OPTION(sbi).compress_chksum ?
|
| 4854 | BIT(COMPRESS_CHKSUM) : 0;
|
| 4855 | fi->i_cluster_size = BIT(fi->i_log_cluster_size);
|
| 4856 | if ((fi->i_compress_algorithm == COMPRESS_LZ4 ||
|
| 4857 | fi->i_compress_algorithm == COMPRESS_ZSTD) &&
|
| 4858 | F2FS_OPTION(sbi).compress_level)
|
| 4859 | fi->i_compress_level = F2FS_OPTION(sbi).compress_level;
|
| 4860 | fi->i_flags |= F2FS_COMPR_FL;
|
| 4861 | set_inode_flag(inode, FI_COMPRESSED_FILE);
|
| 4862 | stat_inc_compr_inode(inode);
|
| 4863 | inc_compr_inode_stat(inode);
|
| 4864 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 4865 | return 0;
|
| 4866 | #else
|
| 4867 | return -EOPNOTSUPP;
|
| 4868 | #endif
|
| 4869 | }
|
| 4870 |
|
| 4871 | static inline bool f2fs_disable_compressed_file(struct inode *inode)
|
| 4872 | {
|
| 4873 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 4874 |
|
| 4875 | f2fs_down_write(&fi->i_sem);
|
| 4876 |
|
| 4877 | if (!f2fs_compressed_file(inode)) {
|
| 4878 | f2fs_up_write(&fi->i_sem);
|
| 4879 | return true;
|
| 4880 | }
|
| 4881 | if (f2fs_is_mmap_file(inode) || atomic_read(&fi->writeback) ||
|
| 4882 | (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode))) {
|
| 4883 | f2fs_up_write(&fi->i_sem);
|
| 4884 | return false;
|
| 4885 | }
|
| 4886 |
|
| 4887 | fi->i_flags &= ~F2FS_COMPR_FL;
|
| 4888 | stat_dec_compr_inode(inode);
|
| 4889 | clear_inode_flag(inode, FI_COMPRESSED_FILE);
|
| 4890 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 4891 |
|
| 4892 | f2fs_up_write(&fi->i_sem);
|
| 4893 | return true;
|
| 4894 | }
|
| 4895 |
|
| 4896 | #define F2FS_FEATURE_FUNCS(name, flagname) \
|
| 4897 | static inline bool f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
|
| 4898 | { \
|
| 4899 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
|
| 4900 | }
|
| 4901 |
|
| 4902 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
|
| 4903 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
|
| 4904 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
|
| 4905 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
|
| 4906 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
|
| 4907 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
|
| 4908 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
|
| 4909 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
|
| 4910 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
|
| 4911 | F2FS_FEATURE_FUNCS(verity, VERITY);
|
| 4912 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
|
| 4913 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
|
| 4914 | F2FS_FEATURE_FUNCS(compression, COMPRESSION);
|
| 4915 | F2FS_FEATURE_FUNCS(readonly, RO);
|
| 4916 | F2FS_FEATURE_FUNCS(device_alias, DEVICE_ALIAS);
|
| 4917 | F2FS_FEATURE_FUNCS(packed_ssa, PACKED_SSA);
|
| 4918 |
|
| 4919 | #ifdef CONFIG_BLK_DEV_ZONED
|
| 4920 | static inline bool f2fs_zone_is_seq(struct f2fs_sb_info *sbi, int devi,
|
| 4921 | unsigned int zone)
|
| 4922 | {
|
| 4923 | return test_bit(zone, FDEV(devi).blkz_seq);
|
| 4924 | }
|
| 4925 |
|
| 4926 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
|
| 4927 | block_t blkaddr)
|
| 4928 | {
|
| 4929 | return f2fs_zone_is_seq(sbi, devi, blkaddr / sbi->blocks_per_blkz);
|
| 4930 | }
|
| 4931 | #endif
|
| 4932 |
|
| 4933 | static inline int f2fs_bdev_index(struct f2fs_sb_info *sbi,
|
| 4934 | struct block_device *bdev)
|
| 4935 | {
|
| 4936 | int i;
|
| 4937 |
|
| 4938 | if (!f2fs_is_multi_device(sbi))
|
| 4939 | return 0;
|
| 4940 |
|
| 4941 | for (i = 0; i < sbi->s_ndevs; i++)
|
| 4942 | if (FDEV(i).bdev == bdev)
|
| 4943 | return i;
|
| 4944 |
|
| 4945 | WARN_ON(1);
|
| 4946 | return -1;
|
| 4947 | }
|
| 4948 |
|
| 4949 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
|
| 4950 | {
|
| 4951 | return f2fs_sb_has_blkzoned(sbi);
|
| 4952 | }
|
| 4953 |
|
| 4954 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
|
| 4955 | {
|
| 4956 | return bdev_max_discard_sectors(bdev) || bdev_is_zoned(bdev);
|
| 4957 | }
|
| 4958 |
|
| 4959 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
|
| 4960 | {
|
| 4961 | int i;
|
| 4962 |
|
| 4963 | if (!f2fs_is_multi_device(sbi))
|
| 4964 | return f2fs_bdev_support_discard(sbi->sb->s_bdev);
|
| 4965 |
|
| 4966 | for (i = 0; i < sbi->s_ndevs; i++)
|
| 4967 | if (f2fs_bdev_support_discard(FDEV(i).bdev))
|
| 4968 | return true;
|
| 4969 | return false;
|
| 4970 | }
|
| 4971 |
|
| 4972 | static inline unsigned int f2fs_hw_discard_granularity(struct f2fs_sb_info *sbi)
|
| 4973 | {
|
| 4974 | int i = 1;
|
| 4975 | unsigned int discard_granularity = bdev_discard_granularity(sbi->sb->s_bdev);
|
| 4976 |
|
| 4977 | if (f2fs_is_multi_device(sbi))
|
| 4978 | for (; i < sbi->s_ndevs && !bdev_is_zoned(FDEV(i).bdev); i++)
|
| 4979 | discard_granularity = max_t(unsigned int, discard_granularity,
|
| 4980 | bdev_discard_granularity(FDEV(i).bdev));
|
| 4981 | return discard_granularity;
|
| 4982 | }
|
| 4983 |
|
| 4984 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
|
| 4985 | {
|
| 4986 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
|
| 4987 | f2fs_hw_should_discard(sbi);
|
| 4988 | }
|
| 4989 |
|
| 4990 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
|
| 4991 | {
|
| 4992 | int i;
|
| 4993 |
|
| 4994 | if (!f2fs_is_multi_device(sbi))
|
| 4995 | return bdev_read_only(sbi->sb->s_bdev);
|
| 4996 |
|
| 4997 | for (i = 0; i < sbi->s_ndevs; i++)
|
| 4998 | if (bdev_read_only(FDEV(i).bdev))
|
| 4999 | return true;
|
| 5000 | return false;
|
| 5001 | }
|
| 5002 |
|
| 5003 | static inline bool f2fs_dev_is_readonly(struct f2fs_sb_info *sbi)
|
| 5004 | {
|
| 5005 | return f2fs_sb_has_readonly(sbi) || f2fs_hw_is_readonly(sbi);
|
| 5006 | }
|
| 5007 |
|
| 5008 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
|
| 5009 | {
|
| 5010 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
|
| 5011 | }
|
| 5012 |
|
| 5013 | static inline bool f2fs_is_sequential_zone_area(struct f2fs_sb_info *sbi,
|
| 5014 | block_t blkaddr)
|
| 5015 | {
|
| 5016 | if (f2fs_sb_has_blkzoned(sbi)) {
|
| 5017 | #ifdef CONFIG_BLK_DEV_ZONED
|
| 5018 | int devi = f2fs_target_device_index(sbi, blkaddr);
|
| 5019 |
|
| 5020 | if (!bdev_is_zoned(FDEV(devi).bdev))
|
| 5021 | return false;
|
| 5022 |
|
| 5023 | if (f2fs_is_multi_device(sbi)) {
|
| 5024 | if (blkaddr < FDEV(devi).start_blk ||
|
| 5025 | blkaddr > FDEV(devi).end_blk) {
|
| 5026 | f2fs_err(sbi, "Invalid block %x", blkaddr);
|
| 5027 | return false;
|
| 5028 | }
|
| 5029 | blkaddr -= FDEV(devi).start_blk;
|
| 5030 | }
|
| 5031 |
|
| 5032 | return f2fs_blkz_is_seq(sbi, devi, blkaddr);
|
| 5033 | #else
|
| 5034 | return false;
|
| 5035 | #endif
|
| 5036 | }
|
| 5037 | return false;
|
| 5038 | }
|
| 5039 |
|
| 5040 | static inline bool f2fs_low_mem_mode(struct f2fs_sb_info *sbi)
|
| 5041 | {
|
| 5042 | return F2FS_OPTION(sbi).memory_mode == MEMORY_MODE_LOW;
|
| 5043 | }
|
| 5044 |
|
| 5045 | static inline bool f2fs_may_compress(struct inode *inode)
|
| 5046 | {
|
| 5047 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
|
| 5048 | f2fs_is_atomic_file(inode) || f2fs_has_inline_data(inode) ||
|
| 5049 | f2fs_is_mmap_file(inode))
|
| 5050 | return false;
|
| 5051 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
|
| 5052 | }
|
| 5053 |
|
| 5054 | static inline void f2fs_i_compr_blocks_update(struct inode *inode,
|
| 5055 | u64 blocks, bool add)
|
| 5056 | {
|
| 5057 | struct f2fs_inode_info *fi = F2FS_I(inode);
|
| 5058 | int diff = fi->i_cluster_size - blocks;
|
| 5059 |
|
| 5060 |
|
| 5061 | if (!add && !atomic_read(&fi->i_compr_blocks))
|
| 5062 | return;
|
| 5063 |
|
| 5064 | if (add) {
|
| 5065 | atomic_add(diff, &fi->i_compr_blocks);
|
| 5066 | stat_add_compr_blocks(inode, diff);
|
| 5067 | } else {
|
| 5068 | atomic_sub(diff, &fi->i_compr_blocks);
|
| 5069 | stat_sub_compr_blocks(inode, diff);
|
| 5070 | }
|
| 5071 | f2fs_mark_inode_dirty_sync(inode, true);
|
| 5072 | }
|
| 5073 |
|
| 5074 | static inline bool f2fs_allow_multi_device_dio(struct f2fs_sb_info *sbi,
|
| 5075 | int flag)
|
| 5076 | {
|
| 5077 | if (!f2fs_is_multi_device(sbi))
|
| 5078 | return false;
|
| 5079 | if (flag != F2FS_GET_BLOCK_DIO)
|
| 5080 | return false;
|
| 5081 | return sbi->aligned_blksize;
|
| 5082 | }
|
| 5083 |
|
| 5084 | #ifdef CONFIG_F2FS_FAULT_INJECTION
|
| 5085 | extern int f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned long rate,
|
| 5086 | unsigned long type, enum fault_option fo);
|
| 5087 | extern void f2fs_simulate_lock_timeout(struct f2fs_sb_info *sbi);
|
| 5088 | #else
|
| 5089 | static inline int f2fs_build_fault_attr(struct f2fs_sb_info *sbi,
|
| 5090 | unsigned long rate, unsigned long type,
|
| 5091 | enum fault_option fo)
|
| 5092 | {
|
| 5093 | return 0;
|
| 5094 | }
|
| 5095 | static inline void f2fs_simulate_lock_timeout(struct f2fs_sb_info *sbi)
|
| 5096 | {
|
| 5097 | return;
|
| 5098 | }
|
| 5099 | #endif
|
| 5100 |
|
| 5101 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
|
| 5102 | {
|
| 5103 | #ifdef CONFIG_QUOTA
|
| 5104 | if (f2fs_sb_has_quota_ino(sbi))
|
| 5105 | return true;
|
| 5106 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
|
| 5107 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
|
| 5108 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
|
| 5109 | return true;
|
| 5110 | #endif
|
| 5111 | return false;
|
| 5112 | }
|
| 5113 |
|
| 5114 | static inline bool f2fs_quota_file(struct f2fs_sb_info *sbi, nid_t ino)
|
| 5115 | {
|
| 5116 | #ifdef CONFIG_QUOTA
|
| 5117 | int i;
|
| 5118 |
|
| 5119 | if (!f2fs_sb_has_quota_ino(sbi))
|
| 5120 | return false;
|
| 5121 |
|
| 5122 | for (i = 0; i < MAXQUOTAS; i++) {
|
| 5123 | if (f2fs_qf_ino(sbi->sb, i) == ino)
|
| 5124 | return true;
|
| 5125 | }
|
| 5126 | #endif
|
| 5127 | return false;
|
| 5128 | }
|
| 5129 |
|
| 5130 | static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi)
|
| 5131 | {
|
| 5132 | return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK;
|
| 5133 | }
|
| 5134 |
|
| 5135 | static inline void __f2fs_schedule_timeout(long timeout, bool io)
|
| 5136 | {
|
| 5137 | set_current_state(TASK_UNINTERRUPTIBLE);
|
| 5138 | if (io)
|
| 5139 | io_schedule_timeout(timeout);
|
| 5140 | else
|
| 5141 | schedule_timeout(timeout);
|
| 5142 | }
|
| 5143 |
|
| 5144 | #define f2fs_io_schedule_timeout(timeout) \
|
| 5145 | __f2fs_schedule_timeout(timeout, true)
|
| 5146 | #define f2fs_schedule_timeout(timeout) \
|
| 5147 | __f2fs_schedule_timeout(timeout, false)
|
| 5148 |
|
| 5149 | static inline void f2fs_schedule_timeout_killable(long timeout, bool io)
|
| 5150 | {
|
| 5151 | unsigned long last_time = jiffies + timeout;
|
| 5152 |
|
| 5153 | while (jiffies < last_time) {
|
| 5154 | if (fatal_signal_pending(current))
|
| 5155 | return;
|
| 5156 | __f2fs_schedule_timeout(DEFAULT_SCHEDULE_TIMEOUT, io);
|
| 5157 | }
|
| 5158 | }
|
| 5159 |
|
| 5160 | static inline void f2fs_handle_page_eio(struct f2fs_sb_info *sbi,
|
| 5161 | struct folio *folio, enum page_type type)
|
| 5162 | {
|
| 5163 | pgoff_t ofs = folio->index;
|
| 5164 |
|
| 5165 | if (unlikely(f2fs_cp_error(sbi)))
|
| 5166 | return;
|
| 5167 |
|
| 5168 | if (ofs == sbi->page_eio_ofs[type]) {
|
| 5169 | if (sbi->page_eio_cnt[type]++ == MAX_RETRY_PAGE_EIO) {
|
| 5170 | enum stop_cp_reason stop_reason;
|
| 5171 |
|
| 5172 | switch (type) {
|
| 5173 | case META:
|
| 5174 | stop_reason = STOP_CP_REASON_READ_META;
|
| 5175 | break;
|
| 5176 | case NODE:
|
| 5177 | stop_reason = STOP_CP_REASON_READ_NODE;
|
| 5178 | break;
|
| 5179 | case DATA:
|
| 5180 | stop_reason = STOP_CP_REASON_READ_DATA;
|
| 5181 | break;
|
| 5182 | default:
|
| 5183 | f2fs_bug_on(sbi, 1);
|
| 5184 | return;
|
| 5185 | }
|
| 5186 | f2fs_stop_checkpoint(sbi, false, stop_reason);
|
| 5187 | }
|
| 5188 | } else {
|
| 5189 | sbi->page_eio_ofs[type] = ofs;
|
| 5190 | sbi->page_eio_cnt[type] = 0;
|
| 5191 | }
|
| 5192 | }
|
| 5193 |
|
| 5194 | static inline bool f2fs_is_readonly(struct f2fs_sb_info *sbi)
|
| 5195 | {
|
| 5196 | return f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb);
|
| 5197 | }
|
| 5198 |
|
| 5199 | static inline void f2fs_truncate_meta_inode_pages(struct f2fs_sb_info *sbi,
|
| 5200 | block_t blkaddr, unsigned int cnt)
|
| 5201 | {
|
| 5202 | bool need_submit = false;
|
| 5203 | int i = 0;
|
| 5204 |
|
| 5205 | do {
|
| 5206 | struct folio *folio;
|
| 5207 |
|
| 5208 | folio = filemap_get_folio(META_MAPPING(sbi), blkaddr + i);
|
| 5209 | if (!IS_ERR(folio)) {
|
| 5210 | if (folio_test_writeback(folio))
|
| 5211 | need_submit = true;
|
| 5212 | f2fs_folio_put(folio, false);
|
| 5213 | }
|
| 5214 | } while (++i < cnt && !need_submit);
|
| 5215 |
|
| 5216 | if (need_submit)
|
| 5217 | f2fs_submit_merged_write_cond(sbi, sbi->meta_inode,
|
| 5218 | NULL, 0, DATA);
|
| 5219 |
|
| 5220 | truncate_inode_pages_range(META_MAPPING(sbi),
|
| 5221 | F2FS_BLK_TO_BYTES((loff_t)blkaddr),
|
| 5222 | F2FS_BLK_END_BYTES((loff_t)(blkaddr + cnt - 1)));
|
| 5223 | }
|
| 5224 |
|
| 5225 | static inline void f2fs_invalidate_internal_cache(struct f2fs_sb_info *sbi,
|
| 5226 | block_t blkaddr, unsigned int len)
|
| 5227 | {
|
| 5228 | f2fs_truncate_meta_inode_pages(sbi, blkaddr, len);
|
| 5229 | f2fs_invalidate_compress_pages_range(sbi, blkaddr, len);
|
| 5230 | }
|
| 5231 |
|
| 5232 | #endif
|