[RFC PATCH] f2fs: remove some redundant flow about FI_ATOMIC_DIRTIED
From: Zhiguo Niu
Date: Wed Mar 26 2025 - 04:47:53 EST
Commit fccaa81de87e ("f2fs: prevent atomic file from being dirtied before commit")
adds the processing of FI_ATOMIC_DIRTIED in the following two positions,
[1]
f2fs_commit_atomic_write
- __f2fs_commit_atomic_write
- 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);
- }
[2]
f2fs_abort_atomic_write
- if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIED)) {
- clear_inode_flag(inode, FI_ATOMIC_DIRTIED);
- f2fs_mark_inode_dirty_sync(inode, true);
- }
but [1] seems to be redundant:
The atomic file flag FI_ATOMIC_FILE is still set here, so f2fs_mark_inode_dirty_sync
still does not set the dirty state to vfs. If FI_ATOMIC_DIRTIED was originally set
when atomic file is committing, then FI_ATOMIC_DIRTIED is just cleared here, and
then do the repeating action of setting FI_ATOMIC_DIRTIED?
So is it enough to do this only in [2]?
Cc: Daeho Jeong <daehojeong@xxxxxxxxxx>
Fixes: fccaa81de87e ("f2fs: prevent atomic file from being dirtied before commit")
Signed-off-by: Zhiguo Niu <zhiguo.niu@xxxxxxxxxx>
---
fs/f2fs/segment.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 396ef71..d4ea3af 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -376,10 +376,6 @@ 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);
--
1.9.1