From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@fb.com>, Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@grimberg.me>
Cc: Max Gurtovoy <maxg@mellanox.com>,
linux-nvme@lists.infradead.org, linux-block@vger.kernel.org
Subject: [PATCH 13/13] block: enable polling by default if a poll map is initalized
Date: Thu, 29 Nov 2018 20:13:10 +0100 [thread overview]
Message-ID: <20181129191310.9795-14-hch@lst.de> (raw)
In-Reply-To: <20181129191310.9795-1-hch@lst.de>
If the user did setup polling in the driver we should not require
another know in the block layer to enable it.
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 9c90c5038d07..a550a00ac00c 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2811,6 +2811,8 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
q->tag_set = set;
q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
+ if (set->nr_maps > HCTX_TYPE_POLL)
+ blk_queue_flag_set(QUEUE_FLAG_POLL, q);
if (!(set->flags & BLK_MQ_F_SG_MERGE))
blk_queue_flag_set(QUEUE_FLAG_NO_SG_MERGE, q);
--
2.19.1
next prev parent reply other threads:[~2018-11-29 19:14 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-29 19:12 block and nvme polling improvements V2 Christoph Hellwig
2018-11-29 19:12 ` [PATCH 01/13] block: move queues types to the block layer Christoph Hellwig
2018-11-29 19:50 ` Jens Axboe
2018-11-30 7:56 ` Christoph Hellwig
2018-11-30 15:20 ` Jens Axboe
2018-11-30 15:21 ` Christoph Hellwig
2018-11-29 20:19 ` Keith Busch
2018-11-29 20:25 ` Jens Axboe
2018-11-30 8:00 ` Christoph Hellwig
2018-11-30 14:40 ` Keith Busch
2018-11-30 15:20 ` Jens Axboe
2018-11-29 19:12 ` [PATCH 02/13] nvme-pci: use atomic bitops to mark a queue enabled Christoph Hellwig
2018-11-29 20:19 ` Keith Busch
2018-11-29 19:13 ` [PATCH 03/13] nvme-pci: cleanup SQ allocation a bit Christoph Hellwig
2018-11-29 20:22 ` Keith Busch
2018-11-29 19:13 ` [PATCH 04/13] nvme-pci: only allow polling with separate poll queues Christoph Hellwig
2018-11-29 19:13 ` [PATCH 05/13] nvme-pci: consolidate code for polling non-dedicated queues Christoph Hellwig
2018-11-29 19:13 ` [PATCH 06/13] nvme-pci: refactor nvme_disable_io_queues Christoph Hellwig
2018-11-29 20:37 ` Keith Busch
2018-11-29 19:13 ` [PATCH 07/13] nvme-pci: don't poll from irq context when deleting queues Christoph Hellwig
2018-11-29 20:36 ` Keith Busch
2018-11-30 8:08 ` Christoph Hellwig
2018-11-30 14:45 ` Keith Busch
2018-11-29 19:13 ` [PATCH 08/13] nvme-pci: remove the CQ lock for interrupt driven queues Christoph Hellwig
2018-11-29 21:08 ` Keith Busch
2018-11-30 8:16 ` Christoph Hellwig
2018-11-29 19:13 ` [PATCH 09/13] nvme-rdma: remove I/O polling support Christoph Hellwig
2018-11-29 19:13 ` [PATCH 10/13] nvme-mpath: " Christoph Hellwig
2018-11-29 19:13 ` [PATCH 11/13] block: remove ->poll_fn Christoph Hellwig
2018-11-29 19:13 ` [PATCH 12/13] block: only allow polling if a poll queue_map exists Christoph Hellwig
2018-11-29 19:13 ` Christoph Hellwig [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-12-02 16:46 block and nvme polling improvements V3 Christoph Hellwig
2018-12-02 16:46 ` [PATCH 13/13] block: enable polling by default if a poll map is initalized Christoph Hellwig
2018-12-04 1:14 ` Sagi Grimberg
2018-11-21 16:23 block and nvme polling improvements Christoph Hellwig
2018-11-21 16:23 ` [PATCH 13/13] block: enable polling by default if a poll map is initalized Christoph Hellwig
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