From: Artem Bityutskiy on
From: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com>

BTRFS does not define a '->write_super()' method, so it should
not mark its superblock as dirty. This looks like some left-over.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy(a)nokia.com>
Acked-by: Chris Mason <chris.mason(a)oracle.com>
---
fs/btrfs/inode.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7f9e053..04916cd 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2938,7 +2938,6 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans,
dir->i_mtime = dir->i_ctime = CURRENT_TIME;
ret = btrfs_update_inode(trans, root, dir);
BUG_ON(ret);
- dir->i_sb->s_dirt = 1;

btrfs_free_path(path);
return 0;
--
1.7.0.1

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