Commit 14dc00a0 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

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



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

Reviewed-by: default avatarChao Yu <chao@kernel.org>
Tested-by: default avatarYangtao Li <frank.li@vivo.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c3db3c2f

fs/f2fs/namei.c

+2 −2
Original line number Diff line number Diff line
@@ -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: