Btrfs: remove all BUG_ON()'s from commit_cowonly_roots

Noticed this when forcing errors to happen during delayed ref running.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 8 insertions, 5 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index a1343e81c59d..f08e22885c21 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -950,16 +950,19 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans,
                 return ret;
 
         ret = btrfs_run_dev_stats(trans, root->fs_info);
-        WARN_ON(ret);
+        if (ret)
+                return ret;
         ret = btrfs_run_dev_replace(trans, root->fs_info);
-        WARN_ON(ret);
-
+        if (ret)
+                return ret;
         ret = btrfs_run_qgroups(trans, root->fs_info);
-        BUG_ON(ret);
+        if (ret)
+                return ret;
 
         /* run_qgroups might have added some more refs */
         ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1);
-        BUG_ON(ret);
+        if (ret)
+                return ret;
 
         while (!list_empty(&fs_info->dirty_cowonly_roots)) {
                 next = fs_info->dirty_cowonly_roots.next;