blk-mq: initialize resid_len

Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
mariux64 · Apr 15, 2014 · 742ee69 · 742ee69
1 parent b4f42e2
commit 742ee69
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/block/blk-mq.c b/block/blk-mq.c
@@ -353,6 +353,8 @@ static void blk_mq_start_request(struct request *rq, bool last)
 
 	trace_block_rq_issue(q, rq);
 
+	rq->resid_len = blk_rq_bytes(rq);
+
 	/*
 	 * Just mark start time and set the started bit. Due to memory
 	 * ordering, we know we'll see the correct deadline as long as