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

Christoph Hellwig
2014-02-07T18:22:39Z

[-- Attachment #1: 0004-blk-mq-initialize-sg_reserved_size.patch --]
[-- Type: text/plain, Size: 597 bytes --]

To behave the same way as the old request path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
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