bcache: Drop unneeded blk_sync_queue() calls

this is needed for the queue/block device we created (it's done by
blk_cleanup_queue() which we do call) - but calling it for the block devices we
only opened is pointless.

Change-Id: I53dfded14ed15b9581d10ca8399d5e1b3abbf9f2

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 60e75130a44c..d4713d098a39 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1084,12 +1084,8 @@ static void cached_dev_free(struct closure *cl)
 
         mutex_unlock(&bch_register_lock);
 
-        if (!IS_ERR_OR_NULL(dc->bdev)) {
-                if (dc->bdev->bd_disk)
-                        blk_sync_queue(bdev_get_queue(dc->bdev));
-
+        if (!IS_ERR_OR_NULL(dc->bdev))
                 blkdev_put(dc->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
-        }
 
         wake_up(&unregister_wait);
 
@@ -1817,10 +1813,8 @@ void bch_cache_release(struct kobject *kobj)
         if (ca->sb_bio.bi_inline_vecs[0].bv_page)
                 put_page(ca->sb_bio.bi_io_vec[0].bv_page);
 
-        if (!IS_ERR_OR_NULL(ca->bdev)) {
-                blk_sync_queue(bdev_get_queue(ca->bdev));
+        if (!IS_ERR_OR_NULL(ca->bdev))
                 blkdev_put(ca->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
-        }
 
         kfree(ca);
         module_put(THIS_MODULE);