Merge tag 'f2fs-for-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Merge commit. Changes below are compared with the first parent: fe0142df.
Changes
30 files changed · +1594 −568
Only the first 600 diff lines are shown. Download the complete patch.
Documentation/ABI/testing/sysfs-fs-f2fs
View filediff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 94a24ae..3ac4177 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -121,7 +121,22 @@ What: /sys/fs/f2fs/<disk>/idle_interval
Date: January 2016
Contact: "Jaegeuk Kim" <[email protected]>
Description:
- Controls the idle timing.
+ Controls the idle timing for all paths other than
+ discard and gc path.
+
+What: /sys/fs/f2fs/<disk>/discard_idle_interval
+Date: September 2018
+Contact: "Chao Yu" <[email protected]>
+Contact: "Sahitya Tummala" <[email protected]>
+Description:
+ Controls the idle timing for discard path.
+
+What: /sys/fs/f2fs/<disk>/gc_idle_interval
+Date: September 2018
+Contact: "Chao Yu" <[email protected]>
+Contact: "Sahitya Tummala" <[email protected]>
+Description:
+ Controls the idle timing for gc path.
What: /sys/fs/f2fs/<disk>/iostat_enable
Date: August 2017
Documentation/filesystems/f2fs.txt
View filediff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index e5edd29..e46c214 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -172,9 +172,10 @@ fault_type=%d Support configuring fault injection type, should be
FAULT_DIR_DEPTH 0x000000100
FAULT_EVICT_INODE 0x000000200
FAULT_TRUNCATE 0x000000400
- FAULT_IO 0x000000800
+ FAULT_READ_IO 0x000000800
FAULT_CHECKPOINT 0x000001000
FAULT_DISCARD 0x000002000
+ FAULT_WRITE_IO 0x000004000
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
writes towards main area.
@@ -211,6 +212,11 @@ fsync_mode=%s Control the policy of fsync. Currently supports "posix",
non-atomic files likewise "nobarrier" mount option.
test_dummy_encryption Enable dummy encryption, which provides a fake fscrypt
context. The fake fscrypt context is used by xfstests.
+checkpoint=%s Set to "disable" to turn off checkpointing. Set to "enable"
+ to reenable checkpointing. Is enabled by default. While
+ disabled, any unmounting or unexpected shutdowns will cause
+ the filesystem contents to appear as they did when the
+ filesystem was mounted with that option.
================================================================================
DEBUGFS ENTRIES
fs/f2fs/acl.c
View filediff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 1118241..fa707cd 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/acl.c
*
@@ -7,10 +8,6 @@
* Portions of this code from linux/fs/ext2/acl.c
*
* Copyright (C) 2001-2003 Andreas Gruenbacher, <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/f2fs_fs.h>
#include "f2fs.h"
@@ -53,6 +50,9 @@ static struct posix_acl *f2fs_acl_from_disk(const char *value, size_t size)
struct f2fs_acl_entry *entry = (struct f2fs_acl_entry *)(hdr + 1);
const char *end = value + size;
+ if (size < sizeof(struct f2fs_acl_header))
+ return ERR_PTR(-EINVAL);
+
if (hdr->a_version != cpu_to_le32(F2FS_ACL_VERSION))
return ERR_PTR(-EINVAL);
@@ -394,12 +394,16 @@ int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,
error = __f2fs_set_acl(inode, ACL_TYPE_DEFAULT, default_acl,
ipage);
posix_acl_release(default_acl);
+ } else {
+ inode->i_default_acl = NULL;
}
if (acl) {
if (!error)
error = __f2fs_set_acl(inode, ACL_TYPE_ACCESS, acl,
ipage);
posix_acl_release(acl);
+ } else {
+ inode->i_acl = NULL;
}
return error;
fs/f2fs/acl.h
View filediff --git a/fs/f2fs/acl.h b/fs/f2fs/acl.h
index 2c68518..b96823c 100644
--- a/fs/f2fs/acl.h
+++ b/fs/f2fs/acl.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/acl.h
*
@@ -7,10 +8,6 @@
* Portions of this code from linux/fs/ext2/acl.h
*
* Copyright (C) 2001-2003 Andreas Gruenbacher, <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __F2FS_ACL_H__
#define __F2FS_ACL_H__
fs/f2fs/checkpoint.c
View filediff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index e8b6b89..9c28ea4 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/checkpoint.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/fs.h>
#include <linux/bio.h>
@@ -122,11 +119,8 @@ retry:
if (PTR_ERR(page) == -EIO &&
++count <= DEFAULT_RETRY_IO_COUNT)
goto retry;
-
f2fs_stop_checkpoint(sbi, false);
- f2fs_bug_on(sbi, 1);
}
-
return page;
}
@@ -282,8 +276,7 @@ static int __f2fs_write_meta_page(struct page *page,
dec_page_count(sbi, F2FS_DIRTY_META);
if (wbc->for_reclaim)
- f2fs_submit_merged_write_cond(sbi, page->mapping->host,
- 0, page->index, META);
+ f2fs_submit_merged_write_cond(sbi, NULL, page, 0, META);
unlock_page(page);
@@ -696,6 +689,8 @@ int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
/* clear Orphan Flag */
clear_ckpt_flags(sbi, CP_ORPHAN_PRESENT_FLAG);
out:
+ set_sbi_flag(sbi, SBI_IS_RECOVERED);
+
#ifdef CONFIG_QUOTA
/* Turn quotas off */
if (quota_enabled)
@@ -1084,6 +1079,21 @@ static void __prepare_cp_block(struct f2fs_sb_info *sbi)
ckpt->next_free_nid = cpu_to_le32(last_nid);
}
+static bool __need_flush_quota(struct f2fs_sb_info *sbi)
+{
+ if (!is_journalled_quota(sbi))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
+ return false;
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_FLUSH))
+ return true;
+ if (get_pages(sbi, F2FS_DIRTY_QDATA))
+ return true;
+ return false;
+}
+
/*
* Freeze all the FS-operations for checkpoint.
*/
@@ -1095,12 +1105,36 @@ static int block_operations(struct f2fs_sb_info *sbi)
.for_reclaim = 0,
};
struct blk_plug plug;
- int err = 0;
+ int err = 0, cnt = 0;
blk_start_plug(&plug);
-retry_flush_dents:
+retry_flush_quotas:
+ if (__need_flush_quota(sbi)) {
+ int locked;
+
+ if (++cnt > DEFAULT_RETRY_QUOTA_FLUSH_COUNT) {
+ set_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+ f2fs_lock_all(sbi);
+ goto retry_flush_dents;
+ }
+ clear_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
+
+ /* only failed during mount/umount/freeze/quotactl */
+ locked = down_read_trylock(&sbi->sb->s_umount);
+ f2fs_quota_sync(sbi->sb, -1);
+ if (locked)
+ up_read(&sbi->sb->s_umount);
+ }
+
f2fs_lock_all(sbi);
+ if (__need_flush_quota(sbi)) {
+ f2fs_unlock_all(sbi);
+ cond_resched();
+ goto retry_flush_quotas;
+ }
+
+retry_flush_dents:
/* write all the dirty dentry pages */
if (get_pages(sbi, F2FS_DIRTY_DENTS)) {
f2fs_unlock_all(sbi);
@@ -1108,7 +1142,7 @@ retry_flush_dents:
if (err)
goto out;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
/*
@@ -1117,6 +1151,12 @@ retry_flush_dents:
*/
down_write(&sbi->node_change);
+ if (__need_flush_quota(sbi)) {
+ up_write(&sbi->node_change);
+ f2fs_unlock_all(sbi);
+ goto retry_flush_quotas;
+ }
+
if (get_pages(sbi, F2FS_DIRTY_IMETA)) {
up_write(&sbi->node_change);
f2fs_unlock_all(sbi);
@@ -1124,7 +1164,7 @@ retry_flush_dents:
if (err)
goto out;
cond_resched();
- goto retry_flush_dents;
+ goto retry_flush_quotas;
}
retry_flush_nodes:
@@ -1215,6 +1255,19 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
__set_ckpt_flags(ckpt, CP_FSCK_FLAG);
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+ __set_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_DISABLED_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+ else
+ __clear_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
+ if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
+ __set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+
/* set this flag to activate crc|cp_ver for recovery */
__set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG);
__clear_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG);
@@ -1422,6 +1475,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
clear_sbi_flag(sbi, SBI_IS_DIRTY);
clear_sbi_flag(sbi, SBI_NEED_CP);
+ clear_sbi_flag(sbi, SBI_QUOTA_SKIP_FLUSH);
+ sbi->unusable_block_count = 0;
__set_cp_next_pack(sbi);
/*
@@ -1446,6 +1501,12 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
unsigned long long ckpt_ver;
int err = 0;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ if (cpc->reason != CP_PAUSE)
+ return 0;
+ f2fs_msg(sbi->sb, KERN_WARNING,
+ "Start checkpoint disabled!");
+ }
mutex_lock(&sbi->cp_mutex);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
@@ -1497,7 +1558,10 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */
- f2fs_flush_nat_entries(sbi, cpc);
+ err = f2fs_flush_nat_entries(sbi, cpc);
+ if (err)
+ goto stop;
+
f2fs_flush_sit_entries(sbi, cpc);
/* unlock all the fs_lock[] in do_checkpoint() */
@@ -1506,7 +1570,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_release_discard_addrs(sbi);
else
f2fs_clear_prefree_segments(sbi, cpc);
-
+stop:
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
fs/f2fs/data.c
View filediff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 382c1ef..106f116 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/data.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/fs.h>
#include <linux/f2fs_fs.h>
@@ -49,12 +46,29 @@ static bool __is_cp_guaranteed(struct page *page)
inode->i_ino == F2FS_NODE_INO(sbi) ||
S_ISDIR(inode->i_mode) ||
(S_ISREG(inode->i_mode) &&
- is_inode_flag_set(inode, FI_ATOMIC_FILE)) ||
+ (f2fs_is_atomic_file(inode) || IS_NOQUOTA(inode))) ||
is_cold_data(page))
return true;
return false;
}
+static enum count_type __read_io_type(struct page *page)
+{
+ struct address_space *mapping = page->mapping;
+
+ if (mapping) {
+ struct inode *inode = mapping->host;
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ if (inode->i_ino == F2FS_META_INO(sbi))
+ return F2FS_RD_META;
+
+ if (inode->i_ino == F2FS_NODE_INO(sbi))
+ return F2FS_RD_NODE;
+ }
+ return F2FS_RD_DATA;
+}
+
/* postprocessing steps for read bios */
enum bio_post_read_step {
STEP_INITIAL = 0,
@@ -80,10 +94,12 @@ static void __read_end_io(struct bio *bio)
/* PG_error was set if any post_read step failed */
if (bio->bi_status || PageError(page)) {
ClearPageUptodate(page);
- SetPageError(page);
+ /* will re-read again later */
+ ClearPageError(page);
} else {
SetPageUptodate(page);
}
+ dec_page_count(F2FS_P_SB(page), __read_io_type(page));
unlock_page(page);
}
if (bio->bi_private)
@@ -126,8 +142,9 @@ static bool f2fs_bio_post_read_required(struct bio *bio)
static void f2fs_read_end_io(struct bio *bio)
{
- if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)), FAULT_IO)) {
- f2fs_show_injection_info(FAULT_IO);
+ if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)),
+ FAULT_READ_IO)) {
+ f2fs_show_injection_info(FAULT_READ_IO);
bio->bi_status = BLK_STS_IOERR;
}
@@ -148,6 +165,11 @@ static void f2fs_write_end_io(struct bio *bio)
struct bio_vec *bvec;
int i;
+ if (time_to_inject(sbi, FAULT_WRITE_IO)) {
+ f2fs_show_injection_info(FAULT_WRITE_IO);
+ bio->bi_status = BLK_STS_IOERR;
+ }
+
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
enum count_type type = WB_DATA_TYPE(page);
@@ -319,8 +341,8 @@ static void __submit_merged_bio(struct f2fs_bio_info *io)
io->bio = NULL;
}
-static bool __has_merged_page(struct f2fs_bio_info *io,
- struct inode *inode, nid_t ino, pgoff_t idx)
+static bool __has_merged_page(struct f2fs_bio_info *io, struct inode *inode,
+ struct page *page, nid_t ino)
{
struct bio_vec *bvec;
struct page *target;
@@ -329,7 +351,7 @@ static bool __has_merged_page(struct f2fs_bio_info *io,
if (!io->bio)
return false;
- if (!inode && !ino)
+ if (!inode && !page && !ino)
return true;
bio_for_each_segment_all(bvec, io->bio, i) {
@@ -339,11 +361,10 @@ static bool __has_merged_page(struct f2fs_bio_info *io,
else
target = fscrypt_control_page(bvec->bv_page);
- if (idx != target->index)
- continue;
-
if (inode && inode == target->mapping->host)
return true;
+ if (page && page == target)
+ return true;
if (ino && ino == ino_of_node(target))
return true;
}
@@ -352,7 +373,8 @@ static bool __has_merged_page(struct f2fs_bio_info *io,
}
static bool has_merged_page(struct f2fs_sb_info *sbi, struct inode *inode,
- nid_t ino, pgoff_t idx, enum page_type type)
+ struct page *page, nid_t ino,
+ enum page_type type)
{
enum page_type btype = PAGE_TYPE_OF_BIO(type);
enum temp_type temp;
@@ -363,7 +385,7 @@ static bool has_merged_page(struct f2fs_sb_info *sbi, struct inode *inode,
io = sbi->write_io[btype] + temp;
down_read(&io->io_rwsem);
- ret = __has_merged_page(io, inode, ino, idx);
+ ret = __has_merged_page(io, inode, page, ino);
up_read(&io->io_rwsem);
/* TODO: use HOT temp only for meta pages now. */
@@ -394,12 +416,12 @@ static void __f2fs_submit_merged_write(struct f2fs_sb_info *sbi,
}
static void __submit_merged_write_cond(struct f2fs_sb_info *sbi,
- struct inode *inode, nid_t ino, pgoff_t idx,
- enum page_type type, bool force)
+ struct inode *inode, struct page *page,
+ nid_t ino, enum page_type type, bool force)
{
enum temp_type temp;
- if (!force && !has_merged_page(sbi, inode, ino, idx, type))
+ if (!force && !has_merged_page(sbi, inode, page, ino, type))
return;
for (temp = HOT; temp < NR_TEMP_TYPE; temp++) {
@@ -418,10 +440,10 @@ void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type)
}
void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
- struct inode *inode, nid_t ino, pgoff_t idx,
- enum page_type type)
+ struct inode *inode, struct page *page,
+ nid_t ino, enum page_type type)
{
- __submit_merged_write_cond(sbi, inode, ino, idx, type, false);
+ __submit_merged_write_cond(sbi, inode, page, ino, type, false);
}
void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi)
@@ -456,12 +478,16 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
bio_put(bio);
return -EFAULT;
}
+
+ if (fio->io_wbc && !is_read_io(fio->op))
+ wbc_account_io(fio->io_wbc, page, PAGE_SIZE);
+
bio_set_op_attrs(bio, fio->op, fio->op_flags);
- __submit_bio(fio->sbi, bio, fio->type);
+ inc_page_count(fio->sbi, is_read_io(fio->op) ?
+ __read_io_type(page): WB_DATA_TYPE(fio->page));
- if (!is_read_io(fio->op))
- inc_page_count(fio->sbi, WB_DATA_TYPE(fio->page));
+ __submit_bio(fio->sbi, bio, fio->type);
return 0;
}
@@ -533,6 +559,9 @@ skip:
if (fio->in_list)
goto next;
out:
+ if (is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN) ||
+ f2fs_is_checkpoint_ready(sbi))
+ __submit_merged_bio(io);
up_write(&io->io_rwsem);
}
@@ -565,9 +594,6 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
ctx->bio = bio;
ctx->enabled_steps = post_read_steps;
bio->bi_private = ctx;
-
- /* wait the page to be moved by cleaning */
- f2fs_wait_on_block_writeback(sbi, blkaddr);
}
return bio;
@@ -582,10 +608,15 @@ static int f2fs_submit_page_read(struct inode *inode, struct page *page,
if (IS_ERR(bio))
return PTR_ERR(bio);
+ /* wait for GCed page writeback via META_MAPPING */
+ f2fs_wait_on_block_writeback(inode, blkaddr);
+
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
bio_put(bio);
return -EFAULT;
}
+ ClearPageError(page);
+ inc_page_count(F2FS_I_SB(inode), F2FS_RD_DATA);
__submit_bio(F2FS_I_SB(inode), bio, DATA);
return 0;
}
@@ -876,7 +907,6 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
struct f2fs_summary sum;
struct node_info ni;
block_t old_blkaddr;
- pgoff_t fofs;
blkcnt_t count = 1;
int err;
@@ -889,7 +919,7 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
dn->data_blkaddr = datablock_addr(dn->inode,
dn->node_page, dn->ofs_in_node);
- if (dn->data_blkaddr == NEW_ADDR)
+ if (dn->data_blkaddr != NULL_ADDR)
goto alloc;
if (unlikely((err = inc_valid_block_count(sbi, dn->inode, &count))))
@@ -905,12 +935,10 @@ alloc:
old_blkaddr, old_blkaddr);
f2fs_set_data_blkaddr(dn);
- /* update i_size */
- fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
- dn->ofs_in_node;
- if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_SHIFT))
- f2fs_i_size_write(dn->inode,
- ((loff_t)(fofs + 1) << PAGE_SHIFT));
+ /*
+ * i_size will be updated by direct_IO. Otherwise, we'll get stale
+ * data from unwritten block via dio_read.
+ */
return 0;
}
@@ -945,7 +973,7 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
if (direct_io) {
map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint);
- flag = f2fs_force_buffered_io(inode, WRITE) ?
+ flag = f2fs_force_buffered_io(inode, iocb, from) ?
F2FS_GET_BLOCK_PRE_AIO :
F2FS_GET_BLOCK_PRE_DIO;
goto map_blocks;
@@ -970,7 +998,7 @@ map_blocks:
return err;
}
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fs/f2fs/debug.c
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fs/f2fs/dir.c
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fs/f2fs/extent_cache.c
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fs/f2fs/f2fs.h
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fs/f2fs/file.c
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fs/f2fs/gc.c
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fs/f2fs/gc.h
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fs/f2fs/hash.c
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fs/f2fs/inline.c
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fs/f2fs/inode.c
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fs/f2fs/namei.c
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fs/f2fs/node.c
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fs/f2fs/node.h
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fs/f2fs/recovery.c
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fs/f2fs/segment.c
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fs/f2fs/segment.h
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fs/f2fs/shrinker.c
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fs/f2fs/super.c
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fs/f2fs/sysfs.c
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fs/f2fs/trace.c
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fs/f2fs/trace.h
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fs/f2fs/xattr.c
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fs/f2fs/xattr.h
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include/linux/f2fs_fs.h
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