Commit 2aa0f21d authored Feb 17, 2017 by Jens Axboe

blk-mq: have blk_mq_dispatch_rq_list() return if we queued IO or not



Currently we're almost there, but if we dispatch nothing, then we
still return success.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>

parent b410aff2

block/blk-mq.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1005,7 +1005,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx hctx, struct list_head list)
		blk_mq_run_hw_queue(hctx, true);
		}

		return ret != BLK_MQ_RQ_QUEUE_BUSY;
		return queued != 0;
		}

		static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx)