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f2fs: prevent atomic file from being dirtied before commit

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Keep atomic file clean while updating and make it dirtied during commit
in order to avoid unnecessary and excessive inode updates in the previous
fix.

Fixes: 4bf7832234 ("f2fs: mark inode dirty for FI_ATOMIC_COMMITTED flag")
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Daeho Jeong 2024-09-04 08:33:06 -07:00 committed by Jaegeuk Kim
parent 5697e94daa
commit fccaa81de8
3 changed files with 14 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
fs/f2fs/f2fs.h
View file

@ -808,6 +808,7 @@ enum {
FI_ALIGNED_WRITE, /* enable aligned write */
FI_COW_FILE, /* indicate COW file */
FI_ATOMIC_COMMITTED, /* indicate atomic commit completed except disk sync */
FI_ATOMIC_DIRTIED, /* indicate atomic file is dirtied */
FI_ATOMIC_REPLACE, /* indicate atomic replace */
FI_OPENED_FILE, /* indicate file has been opened */
FI_MAX, /* max flag, never be used */
@ -3067,7 +3068,6 @@ static inline void __mark_inode_dirty_flag(struct inode *inode,
case FI_INLINE_DOTS:
case FI_PIN_FILE:
case FI_COMPRESS_RELEASED:
case FI_ATOMIC_COMMITTED:
f2fs_mark_inode_dirty_sync(inode, true);
}
}

5
fs/f2fs/inode.c
View file

@ -34,6 +34,11 @@ void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
if (f2fs_inode_dirtied(inode, sync))
return;
if (f2fs_is_atomic_file(inode)) {
set_inode_flag(inode, FI_ATOMIC_DIRTIED);
return;
}
mark_inode_dirty_sync(inode);
}

8
fs/f2fs/segment.c
View file

@ -199,6 +199,10 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean)
clear_inode_flag(inode, FI_ATOMIC_COMMITTED);
clear_inode_flag(inode, FI_ATOMIC_REPLACE);
clear_inode_flag(inode, FI_ATOMIC_FILE);
if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIED)) {
clear_inode_flag(inode, FI_ATOMIC_DIRTIED);
f2fs_mark_inode_dirty_sync(inode, true);
}
stat_dec_atomic_inode(inode);
F2FS_I(inode)->atomic_write_task = NULL;
@ -366,6 +370,10 @@ static int __f2fs_commit_atomic_write(struct inode *inode)
} else {
sbi->committed_atomic_block += fi->atomic_write_cnt;
set_inode_flag(inode, FI_ATOMIC_COMMITTED);
if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIED)) {
clear_inode_flag(inode, FI_ATOMIC_DIRTIED);
f2fs_mark_inode_dirty_sync(inode, true);
}
}
__complete_revoke_list(inode, &revoke_list, ret ? true : false);