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authorColy Li2018-08-09 15:48:45 +0800
committerJens Axboe2018-08-09 08:21:07 -0600
commite57fd746848597e9c701751e26416d4b2e3b27ea (patch)
tree694766da53b1a36d516af1a201da88d497ad6d3f /drivers/md
parentc2e8dcf7fa43ed236cb341c33aa3a75687557c43 (diff)
bcache: add a comment in super.c
This patch adds a line of code comment in super.c:register_bdev(), to make code to be more comprehensible. Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bcache/super.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index c7ffa6ef3f82..1e85cbb4c159 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);
+ /* attach to a matched cache set if it exists */
list_for_each_entry(c, &bch_cache_sets, list)
bch_cached_dev_attach(dc, c, NULL);