Merge branch 'for-7.1/block' into for-next

* for-7.1/block:
  bcache: fix uninitialized closure object

Author: axboe

drivers/md/bcache/super.c

@@ -1378,7 +1378,8 @@ static CLOSURE_CALLBACK(cached_dev_free)
 	 * The sb_bio is embedded in struct cached_dev, so we must
 	 * ensure no I/O is in progress.
 	 */
-	closure_sync(&dc->sb_write);
+	down(&dc->sb_write_mutex);
+	up(&dc->sb_write_mutex);
 
 	if (dc->sb_disk)
 		folio_put(virt_to_folio(dc->sb_disk));