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f2fs: let's avoid to get cp_rwsem twice by f2fs_evict_inode by d_invalidate

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f2fs_unlink
 -> f2fs_lock_op
 -> d_invalidate
  -> shrink_dentry_list
   -> iput_final
    -> f2fs_evict_inode
     -> f2fs_lock_op

Reviewed-by: Chao Yu <chao@kernel.org>
Tested-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2022-10-17 17:52:05 -07:00
parent c3db3c2fd9
commit 14dc00a0e2
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/namei.c
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@ -632,6 +632,8 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
goto fail;
}
f2fs_delete_entry(de, page, dir, inode);
f2fs_unlock_op(sbi);
#if IS_ENABLED(CONFIG_UNICODE)
/* VFS negative dentries are incompatible with Encoding and
* Case-insensitiveness. Eventually we'll want avoid
@ -642,8 +644,6 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
if (IS_CASEFOLDED(dir))
d_invalidate(dentry);
#endif
f2fs_unlock_op(sbi);
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
fail: