[PATCH 4/9] bcache: add a comment in register_bdev()

[Coly Li]

---
 drivers/md/bcache/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index c7ffa6ef3f82..f517d7d1fa10 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1291,6 +1291,7 @@ static void register_bdev(struct cache_sb *sb, struct 
page *sb_page,
        pr_info("registered backing device %s", dc->backing_dev_name);
 
        list_add(&dc->list, &uncached_devices);
+       /* attch to a matched cache set if it exists */
        list_for_each_entry(c, &bch_cache_sets, list)
                bch_cached_dev_attach(dc, c, NULL);
 
-- 
2.17.1