btrfs: update comment for visit_node_for_delete()

Drop the obsolete @refs parameter from the comment so the argument list
matches the current function signature after commit f8c4d59de23c9
("btrfs: drop unused parameter refs from visit_node_for_delete()").

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Sun YangKai <sunk67188@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e4cae34620d19938bf52b37f9c78e23533afe457..432e1de4436d5dac24445707b17255f49352a006 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5263,7 +5263,6 @@ struct walk_control {
  * @root:      the root we are currently deleting
  * @wc:                the walk control for this deletion
  * @eb:                the parent eb that we're currently visiting
- * @refs:      the number of refs for wc->level - 1
  * @flags:     the flags for wc->level - 1
  * @slot:      the slot in the eb that we're currently checking
  *