[PATCH 3.12 107/118] Btrfs: reset intwrite on transaction abort

[Greg Kroah-Hartman]

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Josef Bacik <jbacik@xxxxxxxxxxxx>

commit e0228285a8cad70e4b7b4833cc650e36ecd8de89 upstream.

If we abort a transaction in the middle of a commit we weren't undoing the
intwrite locking.  This patch fixes that problem.

Signed-off-by: Josef Bacik <jbacik@xxxxxxxxxxxx>
Signed-off-by: Chris Mason <chris.mason@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/btrfs/transaction.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1552,6 +1552,8 @@ static void cleanup_transaction(struct b
 		root->fs_info->running_transaction = NULL;
 	spin_unlock(&root->fs_info->trans_lock);
 
+	if (trans->type & __TRANS_FREEZABLE)
+		sb_end_intwrite(root->fs_info->sb);
 	put_transaction(cur_trans);
 	put_transaction(cur_trans);
 


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