Btrfs: check the return value of btrfs_start_delalloc_inodes()

We forget to check the return value of btrfs_start_delalloc_inodes(), fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 24fde97cba81..42dac27207ab 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1427,7 +1427,9 @@ static int btrfs_flush_all_pending_stuffs(struct btrfs_trans_handle *trans,
         }
 
         if (flush_on_commit || snap_pending) {
-                btrfs_start_delalloc_inodes(root, 1);
+                ret = btrfs_start_delalloc_inodes(root, 1);
+                if (ret)
+                        return ret;
                 btrfs_wait_ordered_extents(root, 1);
         }