block: fix blk_abort_request on blk-mq

Signed-off-by: Christoph Hellwig <hch@lst.de>

Moved blk_mq_rq_timed_out() definition to the private blk-mq.h header.

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c5345a9..a3a8088 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -530,7 +530,7 @@
 	unsigned int next_set;
 };
 
-static void blk_mq_rq_timed_out(struct request *req, bool reserved)
+void blk_mq_rq_timed_out(struct request *req, bool reserved)
 {
 	struct blk_mq_ops *ops = req->q->mq_ops;
 	enum blk_eh_timer_return ret = BLK_EH_RESET_TIMER;