block: move blk_get_flush_queue to blk-flush.c

blk_get_flush_queue is only used in blk-flush.c, so move it there.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211123185312.1432157-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 6 insertions, 0 deletions

diff --git a/block/blk-flush.c b/block/blk-flush.c
index 1fce6d16e6d3..86ee50455e41 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -95,6 +95,12 @@ enum {
 static void blk_kick_flush(struct request_queue *q,
 			   struct blk_flush_queue *fq, unsigned int flags);
 
+static inline struct blk_flush_queue *
+blk_get_flush_queue(struct request_queue *q, struct blk_mq_ctx *ctx)
+{
+	return blk_mq_map_queue(q, REQ_OP_FLUSH, ctx)->fq;
+}
+
 static unsigned int blk_flush_policy(unsigned long fflags, struct request *rq)
 {
 	unsigned int policy = 0;