From aa306ab703e9452b1e25cc8e8f04b8df523d0bb8 Mon Sep 17 00:00:00 2001
From: Ming Lei <ming.lei@redhat.com>
Date: Wed, 24 Jul 2019 11:48:39 +0800
Subject: blk-mq: introduce blk_mq_request_completed()

NVMe needs this function to decide if one request to be aborted has
been completed in normal IO path already.

So introduce it.

Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-mq.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'block/blk-mq.c')

diff --git a/block/blk-mq.c b/block/blk-mq.c
index f78d3287dd82..8bb5854a62f3 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -665,6 +665,12 @@ int blk_mq_request_started(struct request *rq)
 }
 EXPORT_SYMBOL_GPL(blk_mq_request_started);
 
+int blk_mq_request_completed(struct request *rq)
+{
+	return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE;
+}
+EXPORT_SYMBOL_GPL(blk_mq_request_completed);
+
 void blk_mq_start_request(struct request *rq)
 {
 	struct request_queue *q = rq->q;
-- 
cgit