bcache allocator: send discards with correct size

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
index 443d03fbac47..8eeab72b93e2 100644
--- a/drivers/md/bcache/alloc.c
+++ b/drivers/md/bcache/alloc.c
@@ -331,7 +331,7 @@ static int bch_allocator_thread(void *arg)
                                 mutex_unlock(&ca->set->bucket_lock);
                                 blkdev_issue_discard(ca->bdev,
                                         bucket_to_sector(ca->set, bucket),
-                                        ca->sb.block_size, GFP_KERNEL, 0);
+                                        ca->sb.bucket_size, GFP_KERNEL, 0);
                                 mutex_lock(&ca->set->bucket_lock);
                         }