Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Merge commit. Changes below are compared with the first parent: ed4e6a94.
Changes
15 files changed · +117 −137
| File | Status | Add | Del | Content |
|---|---|---|---|---|
| MAINTAINERS | modified | +10 | −0 | View file |
| fs/f2fs/data.c | modified | +1 | −0 | View file |
| fs/f2fs/dir.c | modified | +9 | −7 | View file |
| fs/f2fs/f2fs.h | modified | +1 | −1 | View file |
| fs/f2fs/file.c | modified | +6 | −4 | View file |
| fs/f2fs/gc.c | modified | +11 | −23 | View file |
| fs/f2fs/hash.c | modified | +11 | −7 | View file |
| fs/f2fs/inode.c | modified | +1 | −0 | View file |
| fs/f2fs/namei.c | modified | +17 | −17 | View file |
| fs/f2fs/node.c | modified | +14 | −23 | View file |
| fs/f2fs/recovery.c | modified | +7 | −3 | View file |
| fs/f2fs/segment.c | modified | +6 | −40 | View file |
| fs/f2fs/segment.h | modified | +14 | −1 | View file |
| fs/f2fs/super.c | modified | +6 | −9 | View file |
| fs/f2fs/xattr.c | modified | +3 | −2 | View file |
Only the first 600 diff lines are shown. Download the complete patch.
MAINTAINERS
View filediff --git a/MAINTAINERS b/MAINTAINERS
index fa309ab..7a58a25 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3273,6 +3273,16 @@ F: Documentation/filesystems/caching/
F: fs/fscache/
F: include/linux/fscache*.h
+F2FS FILE SYSTEM
+M: Jaegeuk Kim <[email protected]>
+W: http://en.wikipedia.org/wiki/F2FS
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
+S: Maintained
+F: Documentation/filesystems/f2fs.txt
+F: fs/f2fs/
+F: include/linux/f2fs_fs.h
+
FUJITSU FR-V (FRV) PORT
M: David Howells <[email protected]>
S: Maintained
fs/f2fs/data.c
View filediff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 655aeab..3aa5ce7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -16,6 +16,7 @@
#include <linux/backing-dev.h>
#include <linux/blkdev.h>
#include <linux/bio.h>
+#include <linux/prefetch.h>
#include "f2fs.h"
#include "node.h"
fs/f2fs/dir.c
View filediff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index b4e24f3..951ed52 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -11,6 +11,7 @@
#include <linux/fs.h>
#include <linux/f2fs_fs.h>
#include "f2fs.h"
+#include "node.h"
#include "acl.h"
static unsigned long dir_blocks(struct inode *inode)
@@ -74,7 +75,7 @@ static unsigned long dir_block_index(unsigned int level, unsigned int idx)
return bidx;
}
-static bool early_match_name(const char *name, int namelen,
+static bool early_match_name(const char *name, size_t namelen,
f2fs_hash_t namehash, struct f2fs_dir_entry *de)
{
if (le16_to_cpu(de->name_len) != namelen)
@@ -87,7 +88,7 @@ static bool early_match_name(const char *name, int namelen,
}
static struct f2fs_dir_entry *find_in_block(struct page *dentry_page,
- const char *name, int namelen, int *max_slots,
+ const char *name, size_t namelen, int *max_slots,
f2fs_hash_t namehash, struct page **res_page)
{
struct f2fs_dir_entry *de;
@@ -126,7 +127,7 @@ found:
}
static struct f2fs_dir_entry *find_in_level(struct inode *dir,
- unsigned int level, const char *name, int namelen,
+ unsigned int level, const char *name, size_t namelen,
f2fs_hash_t namehash, struct page **res_page)
{
int s = GET_DENTRY_SLOTS(namelen);
@@ -181,7 +182,7 @@ struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
struct qstr *child, struct page **res_page)
{
const char *name = child->name;
- int namelen = child->len;
+ size_t namelen = child->len;
unsigned long npages = dir_blocks(dir);
struct f2fs_dir_entry *de = NULL;
f2fs_hash_t name_hash;
@@ -308,6 +309,7 @@ static int init_inode_metadata(struct inode *inode, struct dentry *dentry)
ipage = get_node_page(F2FS_SB(dir->i_sb), inode->i_ino);
if (IS_ERR(ipage))
return PTR_ERR(ipage);
+ set_cold_node(inode, ipage);
init_dent_inode(dentry, ipage);
f2fs_put_page(ipage, 1);
}
@@ -381,7 +383,7 @@ int f2fs_add_link(struct dentry *dentry, struct inode *inode)
struct inode *dir = dentry->d_parent->d_inode;
struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
const char *name = dentry->d_name.name;
- int namelen = dentry->d_name.len;
+ size_t namelen = dentry->d_name.len;
struct page *dentry_page = NULL;
struct f2fs_dentry_block *dentry_blk = NULL;
int slots = GET_DENTRY_SLOTS(namelen);
@@ -540,13 +542,13 @@ int f2fs_make_empty(struct inode *inode, struct inode *parent)
de = &dentry_blk->dentry[0];
de->name_len = cpu_to_le16(1);
- de->hash_code = 0;
+ de->hash_code = f2fs_dentry_hash(".", 1);
de->ino = cpu_to_le32(inode->i_ino);
memcpy(dentry_blk->filename[0], ".", 1);
set_de_type(de, inode);
de = &dentry_blk->dentry[1];
- de->hash_code = 0;
+ de->hash_code = f2fs_dentry_hash("..", 2);
de->name_len = cpu_to_le16(2);
de->ino = cpu_to_le32(parent->i_ino);
memcpy(dentry_blk->filename[1], "..", 2);
fs/f2fs/f2fs.h
View filediff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a18d63d..13c6dfb 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -881,7 +881,7 @@ int f2fs_sync_fs(struct super_block *, int);
/*
* hash.c
*/
-f2fs_hash_t f2fs_dentry_hash(const char *, int);
+f2fs_hash_t f2fs_dentry_hash(const char *, size_t);
/*
* node.c
fs/f2fs/file.c
View filediff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f9e085d..7f9ea92 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -160,15 +160,17 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
if (need_to_sync_dir(sbi, inode))
need_cp = true;
- f2fs_write_inode(inode, NULL);
-
if (need_cp) {
/* all the dirty node pages should be flushed for POR */
ret = f2fs_sync_fs(inode->i_sb, 1);
clear_inode_flag(F2FS_I(inode), FI_NEED_CP);
} else {
- while (sync_node_pages(sbi, inode->i_ino, &wbc) == 0)
- f2fs_write_inode(inode, NULL);
+ /* if there is no written node page, write its inode page */
+ while (!sync_node_pages(sbi, inode->i_ino, &wbc)) {
+ ret = f2fs_write_inode(inode, NULL);
+ if (ret)
+ goto out;
+ }
filemap_fdatawait_range(sbi->node_inode->i_mapping,
0, LONG_MAX);
}
fs/f2fs/gc.c
View filediff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 644aa38..b0ec721 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -390,9 +390,7 @@ next_step:
}
err = check_valid_map(sbi, segno, off);
- if (err == GC_ERROR)
- return err;
- else if (err == GC_NEXT)
+ if (err == GC_NEXT)
continue;
if (initial) {
@@ -430,28 +428,22 @@ next_step:
*/
block_t start_bidx_of_node(unsigned int node_ofs)
{
- block_t start_bidx;
- unsigned int bidx, indirect_blks;
- int dec;
+ unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
+ unsigned int bidx;
- indirect_blks = 2 * NIDS_PER_BLOCK + 4;
+ if (node_ofs == 0)
+ return 0;
- start_bidx = 1;
- if (node_ofs == 0) {
- start_bidx = 0;
- } else if (node_ofs <= 2) {
+ if (node_ofs <= 2) {
bidx = node_ofs - 1;
} else if (node_ofs <= indirect_blks) {
- dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
+ int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 2 - dec;
} else {
- dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
+ int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 5 - dec;
}
-
- if (start_bidx)
- start_bidx = bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
- return start_bidx;
+ return bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
}
static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
@@ -556,9 +548,7 @@ next_step:
}
err = check_valid_map(sbi, segno, off);
- if (err == GC_ERROR)
- goto stop;
- else if (err == GC_NEXT)
+ if (err == GC_NEXT)
continue;
if (phase == 0) {
@@ -568,9 +558,7 @@ next_step:
/* Get an inode by ino with checking validity */
err = check_dnode(sbi, entry, &dni, start_addr + off, &nofs);
- if (err == GC_ERROR)
- goto stop;
- else if (err == GC_NEXT)
+ if (err == GC_NEXT)
continue;
if (phase == 1) {
fs/f2fs/hash.c
View filediff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index a60f042..6eb8d26 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -42,7 +42,7 @@ static void TEA_transform(unsigned int buf[4], unsigned int const in[])
buf[1] += b1;
}
-static void str2hashbuf(const char *msg, int len, unsigned int *buf, int num)
+static void str2hashbuf(const char *msg, size_t len, unsigned int *buf, int num)
{
unsigned pad, val;
int i;
@@ -69,13 +69,17 @@ static void str2hashbuf(const char *msg, int len, unsigned int *buf, int num)
*buf++ = pad;
}
-f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
+f2fs_hash_t f2fs_dentry_hash(const char *name, size_t len)
{
- __u32 hash, minor_hash;
+ __u32 hash;
f2fs_hash_t f2fs_hash;
const char *p;
__u32 in[8], buf[4];
+ if ((len <= 2) && (name[0] == '.') &&
+ (name[1] == '.' || name[1] == '\0'))
+ return 0;
+
/* Initialize the default seed for the hash checksum functions */
buf[0] = 0x67452301;
buf[1] = 0xefcdab89;
@@ -83,15 +87,15 @@ f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
buf[3] = 0x10325476;
p = name;
- while (len > 0) {
+ while (1) {
str2hashbuf(p, len, in, 4);
TEA_transform(buf, in);
- len -= 16;
p += 16;
+ if (len <= 16)
+ break;
+ len -= 16;
}
hash = buf[0];
- minor_hash = buf[1];
-
f2fs_hash = cpu_to_le32(hash & ~F2FS_HASH_COL_BIT);
return f2fs_hash;
}
fs/f2fs/inode.c
View filediff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index df5fb38..bf20b4d 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -203,6 +203,7 @@ void update_inode(struct inode *inode, struct page *node_page)
ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
ri->i_generation = cpu_to_le32(inode->i_generation);
+ set_cold_node(inode, node_page);
set_page_dirty(node_page);
}
fs/f2fs/namei.c
View filediff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 89b7675..1a49b88 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -77,8 +77,8 @@ fail:
static int is_multimedia_file(const unsigned char *s, const char *sub)
{
- int slen = strlen(s);
- int sublen = strlen(sub);
+ size_t slen = strlen(s);
+ size_t sublen = strlen(sub);
int ret;
if (sublen > slen)
@@ -123,6 +123,8 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
nid_t ino = 0;
int err;
+ f2fs_balance_fs(sbi);
+
inode = f2fs_new_inode(dir, mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -144,8 +146,6 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
if (!sbi->por_doing)
d_instantiate(dentry, inode);
unlock_new_inode(inode);
-
- f2fs_balance_fs(sbi);
return 0;
out:
clear_nlink(inode);
@@ -163,6 +163,8 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
struct f2fs_sb_info *sbi = F2FS_SB(sb);
int err;
+ f2fs_balance_fs(sbi);
+
inode->i_ctime = CURRENT_TIME;
atomic_inc(&inode->i_count);
@@ -172,8 +174,6 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
goto out;
d_instantiate(dentry, inode);
-
- f2fs_balance_fs(sbi);
return 0;
out:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
@@ -223,6 +223,8 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
struct page *page;
int err = -ENOENT;
+ f2fs_balance_fs(sbi);
+
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (!de)
goto fail;
@@ -238,7 +240,6 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
/* In order to evict this inode, we set it dirty */
mark_inode_dirty(inode);
- f2fs_balance_fs(sbi);
fail:
return err;
}
@@ -249,9 +250,11 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
struct super_block *sb = dir->i_sb;
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct inode *inode;
- unsigned symlen = strlen(symname) + 1;
+ size_t symlen = strlen(symname) + 1;
int err;
+ f2fs_balance_fs(sbi);
+
inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -268,9 +271,6 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
d_instantiate(dentry, inode);
unlock_new_inode(inode);
-
- f2fs_balance_fs(sbi);
-
return err;
out:
clear_nlink(inode);
@@ -286,6 +286,8 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct inode *inode;
int err;
+ f2fs_balance_fs(sbi);
+
inode = f2fs_new_inode(dir, S_IFDIR | mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -305,7 +307,6 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
d_instantiate(dentry, inode);
unlock_new_inode(inode);
- f2fs_balance_fs(sbi);
return 0;
out_fail:
@@ -336,6 +337,8 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
if (!new_valid_dev(rdev))
return -EINVAL;
+ f2fs_balance_fs(sbi);
+
inode = f2fs_new_inode(dir, mode);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -350,9 +353,6 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
alloc_nid_done(sbi, inode->i_ino);
d_instantiate(dentry, inode);
unlock_new_inode(inode);
-
- f2fs_balance_fs(sbi);
-
return 0;
out:
clear_nlink(inode);
@@ -376,6 +376,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct f2fs_dir_entry *new_entry;
int err = -ENOENT;
+ f2fs_balance_fs(sbi);
+
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_entry)
goto out;
@@ -441,8 +443,6 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
}
mutex_unlock_op(sbi, RENAME);
-
- f2fs_balance_fs(sbi);
return 0;
out_dir:
fs/f2fs/node.c
View filediff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 1987036..5066bfd 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -484,12 +484,14 @@ static void truncate_node(struct dnode_of_data *dn)
struct node_info ni;
get_node_info(sbi, dn->nid, &ni);
+ if (dn->inode->i_blocks == 0) {
+ BUG_ON(ni.blk_addr != NULL_ADDR);
+ goto invalidate;
+ }
BUG_ON(ni.blk_addr == NULL_ADDR);
- if (ni.blk_addr != NULL_ADDR)
- invalidate_blocks(sbi, ni.blk_addr);
-
/* Deallocate node address */
+ invalidate_blocks(sbi, ni.blk_addr);
dec_valid_node_count(sbi, dn->inode, 1);
set_node_addr(sbi, &ni, NULL_ADDR);
@@ -499,7 +501,7 @@ static void truncate_node(struct dnode_of_data *dn)
} else {
sync_inode_page(dn);
}
-
+invalidate:
clear_node_page_dirty(dn->node_page);
F2FS_SET_SB_DIRT(sbi);
@@ -768,20 +770,12 @@ int remove_inode_page(struct inode *inode)
dn.inode_page_locked = 1;
truncate_node(&dn);
}
- if (inode->i_blocks == 1) {
- /* inernally call f2fs_put_page() */
- set_new_dnode(&dn, inode, page, page, ino);
- truncate_node(&dn);
- } else if (inode->i_blocks == 0) {
- struct node_info ni;
- get_node_info(sbi, inode->i_ino, &ni);
- /* called after f2fs_new_inode() is failed */
- BUG_ON(ni.blk_addr != NULL_ADDR);
- f2fs_put_page(page, 1);
- } else {
- BUG();
- }
+ /* 0 is possible, after f2fs_new_inode() is failed */
+ BUG_ON(inode->i_blocks != 0 && inode->i_blocks != 1);
+ set_new_dnode(&dn, inode, page, page, ino);
+ truncate_node(&dn);
+
mutex_unlock_op(sbi, NODE_TRUNC);
return 0;
}
@@ -834,17 +828,18 @@ struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs)
goto fail;
}
set_node_addr(sbi, &new_ni, NEW_ADDR);
+ set_cold_node(dn->inode, page);
dn->node_page = page;
sync_inode_page(dn);
set_page_dirty(page);
- set_cold_node(dn->inode, page);
if (ofs == 0)
inc_valid_inode_count(sbi);
return page;
fail:
+ clear_node_page_dirty(page);
f2fs_put_page(page, 1);
return ERR_PTR(err);
}
@@ -1093,7 +1088,6 @@ static int f2fs_write_node_page(struct page *page,
{
struct f2fs_sb_info *sbi = F2FS_SB(page->mapping->host->i_sb);
nid_t nid;
- unsigned int nofs;
block_t new_addr;
struct node_info ni;
@@ -1110,7 +1104,6 @@ static int f2fs_write_node_page(struct page *page,
/* get old block addr of this node page */
nid = nid_of_node(page);
- nofs = ofs_of_node(page);
BUG_ON(page->index != nid);
get_node_info(sbi, nid, &ni);
@@ -1571,7 +1564,7 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
nid_t nid;
struct f2fs_nat_entry raw_ne;
int offset = -1;
- block_t old_blkaddr, new_blkaddr;
+ block_t new_blkaddr;
ne = list_entry(cur, struct nat_entry, list);
nid = nat_get_nid(ne);
@@ -1585,7 +1578,6 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
offset = lookup_journal_in_cursum(sum, NAT_JOURNAL, nid, 1);
if (offset >= 0) {
raw_ne = nat_in_journal(sum, offset);
- old_blkaddr = le32_to_cpu(raw_ne.block_addr);
goto flush_now;
}
to_nat_page:
@@ -1607,7 +1599,6 @@ to_nat_page:
BUG_ON(!nat_blk);
raw_ne = nat_blk->entries[nid - start_nid];
- old_blkaddr = le32_to_cpu(raw_ne.block_addr);
flush_now:
new_blkaddr = nat_get_blkaddr(ne);
fs/f2fs/recovery.c
View filediff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index b07e9b6..b571fee 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -144,14 +144,15 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
goto out;
}
- INIT_LIST_HEAD(&entry->list);
- list_add_tail(&entry->list, head);
-
entry->inode = f2fs_iget(sbi->sb, ino_of_node(page));
if (IS_ERR(entry->inode)) {
err = PTR_ERR(entry->inode);
+ kmem_cache_free(fsync_entry_slab, entry);
goto out;
}
+
+ INIT_LIST_HEAD(&entry->list);
+ list_add_tail(&entry->list, head);
entry->blkaddr = blkaddr;
}
if (IS_INODE(page)) {
@@ -228,6 +229,9 @@ static void check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
/* Deallocate previous index in the node page */
inode = f2fs_iget_nowait(sbi->sb, ino);
+ if (IS_ERR(inode))
+ return;
+
truncate_hole(inode, bidx, bidx + 1);
iput(inode);
}
fs/f2fs/segment.c
View filediff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1b26e4e..de62409 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -12,54 +12,23 @@
#include <linux/f2fs_fs.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/prefetch.h>
#include <linux/vmalloc.h>
#include "f2fs.h"
This diff is incomplete. Download the complete patch.
fs/f2fs/segment.h
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fs/f2fs/super.c
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fs/f2fs/xattr.c
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