[PATCH 4/4] blk-mq: initialize sg_reserved_size

[Christoph Hellwig]

To behave the same way as the old request path.

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

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 35800e1..f5fcd9a 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1373,6 +1373,8 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_reg *reg,
 	q->mq_ops = reg->ops;
 	q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
 
+	q->sg_reserved_size = INT_MAX;
+
 	blk_queue_make_request(q, blk_mq_make_request);
 	blk_queue_rq_timed_out(q, reg->ops->timeout);
 	if (reg->timeout)
-- 
1.7.10.4


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