btrfs: qgroup: Cleanup the old ref_node-oriented mechanism.

Goodbye, the old mechanisim.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 881549a35fca..0498f5cd8752 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1736,7 +1736,7 @@ struct btrfs_fs_info {
         /* list of dirty qgroups to be written at next commit */
         struct list_head dirty_qgroups;
 
-        /* used by btrfs_qgroup_record_ref for an efficient tree traversal */
+        /* used by qgroup for an efficient tree traversal */
         u64 qgroup_seq;
 
         /* qgroup rescan items */