From: Ming Lei <ming.lei@redhat.com> To: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>, "Martin K . Petersen" <martin.petersen@oracle.com>, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Cc: Sagi Grimberg <sagi@grimberg.me>, Daniel Wagner <dwagner@suse.de>, Wen Xiong <wenxiong@us.ibm.com>, John Garry <john.garry@huawei.com>, Hannes Reinecke <hare@suse.de>, Keith Busch <kbusch@kernel.org>, Damien Le Moal <damien.lemoal@wdc.com>, Ming Lei <ming.lei@redhat.com> Subject: [PATCH V2 2/6] nvme: pci: pass BLK_MQ_F_MANAGED_IRQ to blk-mq Date: Fri, 2 Jul 2021 23:05:51 +0800 [thread overview] Message-ID: <20210702150555.2401722-3-ming.lei@redhat.com> (raw) In-Reply-To: <20210702150555.2401722-1-ming.lei@redhat.com> blk-mq needs to know if the controller allocates managed irq vectors or not, so pass the info to blk-mq. The rule is that driver has to tell blk-mq if managed irq is used. Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index d3c5086673bc..093c56e1428e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2317,7 +2317,8 @@ static void nvme_dev_add(struct nvme_dev *dev) dev->tagset.queue_depth = min_t(unsigned int, dev->q_depth, BLK_MQ_MAX_DEPTH) - 1; dev->tagset.cmd_size = sizeof(struct nvme_iod); - dev->tagset.flags = BLK_MQ_F_SHOULD_MERGE; + dev->tagset.flags = BLK_MQ_F_SHOULD_MERGE | + BLK_MQ_F_MANAGED_IRQ; dev->tagset.driver_data = dev; /* -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Ming Lei <ming.lei@redhat.com> To: Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>, "Martin K . Petersen" <martin.petersen@oracle.com>, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Cc: Sagi Grimberg <sagi@grimberg.me>, Daniel Wagner <dwagner@suse.de>, Wen Xiong <wenxiong@us.ibm.com>, John Garry <john.garry@huawei.com>, Hannes Reinecke <hare@suse.de>, Keith Busch <kbusch@kernel.org>, Damien Le Moal <damien.lemoal@wdc.com>, Ming Lei <ming.lei@redhat.com> Subject: [PATCH V2 2/6] nvme: pci: pass BLK_MQ_F_MANAGED_IRQ to blk-mq Date: Fri, 2 Jul 2021 23:05:51 +0800 [thread overview] Message-ID: <20210702150555.2401722-3-ming.lei@redhat.com> (raw) In-Reply-To: <20210702150555.2401722-1-ming.lei@redhat.com> blk-mq needs to know if the controller allocates managed irq vectors or not, so pass the info to blk-mq. The rule is that driver has to tell blk-mq if managed irq is used. Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index d3c5086673bc..093c56e1428e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2317,7 +2317,8 @@ static void nvme_dev_add(struct nvme_dev *dev) dev->tagset.queue_depth = min_t(unsigned int, dev->q_depth, BLK_MQ_MAX_DEPTH) - 1; dev->tagset.cmd_size = sizeof(struct nvme_iod); - dev->tagset.flags = BLK_MQ_F_SHOULD_MERGE; + dev->tagset.flags = BLK_MQ_F_SHOULD_MERGE | + BLK_MQ_F_MANAGED_IRQ; dev->tagset.driver_data = dev; /* -- 2.31.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2021-07-02 15:07 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-02 15:05 [PATCH V2 0/6] blk-mq: fix blk_mq_alloc_request_hctx Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-02 15:05 ` [PATCH V2 1/6] blk-mq: prepare for not deactivating hctx if managed irq isn't used Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-02 15:05 ` Ming Lei [this message] 2021-07-02 15:05 ` [PATCH V2 2/6] nvme: pci: pass BLK_MQ_F_MANAGED_IRQ to blk-mq Ming Lei 2021-07-02 15:05 ` [PATCH V2 3/6] scsi: add flag of .use_managed_irq to 'struct Scsi_Host' Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-05 9:25 ` John Garry 2021-07-05 9:25 ` John Garry 2021-07-05 9:55 ` Ming Lei 2021-07-05 9:55 ` Ming Lei 2021-07-06 5:37 ` Christoph Hellwig 2021-07-06 5:37 ` Christoph Hellwig 2021-07-06 7:41 ` Ming Lei 2021-07-06 7:41 ` Ming Lei 2021-07-06 10:32 ` Hannes Reinecke 2021-07-06 10:32 ` Hannes Reinecke 2021-07-07 10:53 ` Ming Lei 2021-07-07 10:53 ` Ming Lei 2021-07-02 15:05 ` [PATCH V2 4/6] scsi: set shost->use_managed_irq if driver uses managed irq Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-05 7:35 ` John Garry 2021-07-05 7:35 ` John Garry 2021-07-06 5:38 ` Christoph Hellwig 2021-07-06 5:38 ` Christoph Hellwig 2021-07-02 15:05 ` [PATCH V2 5/6] virtio: add one field into virtio_device for recording if device " Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-02 15:05 ` Ming Lei 2021-07-02 15:55 ` Michael S. Tsirkin 2021-07-02 15:55 ` Michael S. Tsirkin 2021-07-02 15:55 ` Michael S. Tsirkin 2021-07-05 2:48 ` Ming Lei 2021-07-05 2:48 ` Ming Lei 2021-07-05 2:48 ` Ming Lei 2021-07-05 3:59 ` Jason Wang 2021-07-05 3:59 ` Jason Wang 2021-07-05 3:59 ` Jason Wang 2021-07-06 5:42 ` Christoph Hellwig 2021-07-06 5:42 ` Christoph Hellwig 2021-07-06 5:42 ` Christoph Hellwig 2021-07-06 7:53 ` Ming Lei 2021-07-06 7:53 ` Ming Lei 2021-07-06 7:53 ` Ming Lei 2021-07-07 9:06 ` Thomas Gleixner 2021-07-07 9:06 ` Thomas Gleixner 2021-07-07 9:06 ` Thomas Gleixner 2021-07-07 9:42 ` Ming Lei 2021-07-07 9:42 ` Ming Lei 2021-07-07 9:42 ` Ming Lei 2021-07-07 14:05 ` Christoph Hellwig 2021-07-07 14:05 ` Christoph Hellwig 2021-07-07 14:05 ` Christoph Hellwig 2021-07-08 6:34 ` Ming Lei 2021-07-08 6:34 ` Ming Lei 2021-07-08 6:34 ` Ming Lei 2021-07-02 15:05 ` [PATCH V2 6/6] blk-mq: don't deactivate hctx if managed irq isn't used Ming Lei 2021-07-02 15:05 ` Ming Lei
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