Btrfs: Add debugging for block group update failure

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 6f161abe2867..a340eeedd6c7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1751,7 +1751,11 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
 update_block:
         ret = update_block_group(trans, root, ins->objectid, ins->offset, 1, 0,
                                  data);
-        BUG_ON(ret);
+        if (ret) {
+                printk("update block group failed for %Lu %Lu\n",
+                       ins->objectid, ins->offset);
+                BUG();
+        }
         return 0;
 }