linux-kernel - [PATCH 2/3] blk-mq: fix blk_mq_end_io

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Date:	Fri, 21 Mar 2014 17:30:59 +0100
From:	Christoph Hellwig <hch@....de>
To:	Jens Axboe <axboe@...com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] blk-mq: fix blk_mq_end_io_partial

We need to pass the actual nr_bytes instead of all bytes in the request.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 block/blk-mq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 44f738e..4274ee0 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -285,7 +285,7 @@ void blk_mq_free_request(struct request *rq)
 
 bool blk_mq_end_io_partial(struct request *rq, int error, unsigned int nr_bytes)
 {
-	if (blk_update_request(rq, error, blk_rq_bytes(rq)))
+	if (blk_update_request(rq, error, nr_bytes))
 		return true;
 
 	blk_account_io_done(rq);
-- 
1.7.10.4

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