block: move req_set_nomerge to blk.h

This makes it available outside of blk-merge.c, and inlining such a trivial helper seems pretty useful to start with. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
microsoft · Feb 8, 2017 · 6cf7677 · 6cf7677
1 parent 80c6b15
commit 6cf7677
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/block/blk-merge.c b/block/blk-merge.c
@@ -482,13 +482,6 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
 }
 EXPORT_SYMBOL(blk_rq_map_sg);
 
-static void req_set_nomerge(struct request_queue *q, struct request *req)
-{
-	req->cmd_flags |= REQ_NOMERGE;
-	if (req == q->last_merge)
-		q->last_merge = NULL;
-}
-
 static inline int ll_new_hw_segment(struct request_queue *q,
 				    struct request *req,
 				    struct bio *bio)

diff --git a/block/blk.h b/block/blk.h
@@ -256,6 +256,13 @@ static inline int blk_do_io_stat(struct request *rq)
 		!blk_rq_is_passthrough(rq);
 }
 
+static inline void req_set_nomerge(struct request_queue *q, struct request *req)
+{
+	req->cmd_flags |= REQ_NOMERGE;
+	if (req == q->last_merge)
+		q->last_merge = NULL;
+}
+
 /*
  * Internal io_context interface
  */