bcache: journel: use for_each_clear_bit() to simplify the code

Using for_each_clear_bit() to simplify the code.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index d8586b6..77fbfd5 100644 (file)
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -217,10 +217,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list)
                 */
                pr_debug("falling back to linear search\n");
 
-               for (l = find_first_zero_bit(bitmap, ca->sb.njournal_buckets);
-                    l < ca->sb.njournal_buckets;
-                    l = find_next_zero_bit(bitmap, ca->sb.njournal_buckets,
-                                           l + 1))
+               for_each_clear_bit(l, bitmap, ca->sb.njournal_buckets)
                        if (read_bucket(l))
                                goto bsearch;