blk-mq-tag: cleanup the normal/reserved tag allocation

[mirror_ubuntu-artful-kernel.git] / block / blk-mq.h

diff --git a/block/blk-mq.h b/block/blk-mq.h
index e59f5ca520a27372062a2866d38a48aad7c3db38..48b7771eb19226a8e6ce163ddb61cc3f803580a9 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -118,6 +118,11 @@ static inline void blk_mq_set_alloc_data(struct blk_mq_alloc_data *data,
        data->hctx = hctx;
 }
 
+static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data *data)
+{
+       return data->hctx->tags;
+}
+
 /*
  * Internal helpers for request allocation/init/free
  */