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blk-mq: initialize sg_reserved_size

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To behave the same way as the old request path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2014-02-07 10:22:39 -08:00
committed by Jens Axboe
parent 4f7f418c48
commit 1be036e946
1 changed files with 2 additions and 0 deletions
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block/blk-mq.c
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@@ -1387,6 +1387,8 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_reg *reg,
q->mq_ops = reg->ops; q->mq_ops = reg->ops;
q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT; q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
q->sg_reserved_size = INT_MAX;
blk_queue_make_request(q, blk_mq_make_request); blk_queue_make_request(q, blk_mq_make_request);
blk_queue_rq_timed_out(q, reg->ops->timeout); blk_queue_rq_timed_out(q, reg->ops->timeout);
if (reg->timeout) if (reg->timeout)