Message ID | 20221005032257.80681-8-kch@nvidia.com |
---|---|
State | Not Applicable |
Headers | show
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Tue, 4 Oct 2022 20:24:44 -0700 Received: from dev.nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 4 Oct 2022 20:24:42 -0700 From: Chaitanya Kulkarni <kch@nvidia.com> To: <linux-block@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>, <linux-remoteproc@vger.kernel.org>, <linux-mmc@vger.kernel.org>, <linux-mtd@lists.infradead.org>, <linux-arm-kernel@lists.infradead.org>, <linux-nvme@lists.infradead.org>, <linux-s390@vger.kernel.org>, <linux-scsi@vger.kernel.org> CC: <axboe@kernel.dk>, <efremov@linux.com>, <josef@toxicpanda.com>, <idryomov@gmail.com>, <dongsheng.yang@easystack.cn>, <haris.iqbal@ionos.com>, <jinpu.wang@ionos.com>, <mst@redhat.com>, <jasowang@redhat.com>, <pbonzini@redhat.com>, <stefanha@redhat.com>, <ohad@wizery.com>, <andersson@kernel.org>, <baolin.wang@linux.alibaba.com>, <ulf.hansson@linaro.org>, <richard@nod.at>, <miquel.raynal@bootlin.com>, <vigneshr@ti.com>, <marcan@marcan.st>, <sven@svenpeter.dev>, <alyssa@rosenzweig.io>, <kbusch@kernel.org>, <hch@lst.de>, <sagi@grimberg.me>, <sth@linux.ibm.com>, <hoeppner@linux.ibm.com>, <hca@linux.ibm.com>, <gor@linux.ibm.com>, <agordeev@linux.ibm.com>, <borntraeger@linux.ibm.com>, <svens@linux.ibm.com>, <jejb@linux.ibm.com>, <martin.petersen@oracle.com>, <hare@suse.de>, <kch@nvidia.com>, <bhelgaas@google.com>, <john.garry@huawei.com>, <mcgrof@kernel.org>, <christophe.jaillet@wanadoo.fr>, <vaibhavgupta40@gmail.com>, <wsa+renesas@sang-engineering.com>, <damien.lemoal@opensource.wdc.com>, <johannes.thumshirn@wdc.com>, <bvanassche@acm.org>, <ming.lei@redhat.com>, <shinichiro.kawasaki@wdc.com>, <vincent.fu@samsung.com>, <christoph.boehmwalder@linbit.com>, <joel@jms.id.au>, <vincent.whitchurch@axis.com>, <nbd@other.debian.org>, <ceph-devel@vger.kernel.org>, <virtualization@lists.linux-foundation.org>, <asahi@lists.linux.dev> Subject: [RFC PATCH 07/21] virtio-blk: use lib tagset init helper Date: Tue, 4 Oct 2022 20:22:43 -0700 Message-ID: <20221005032257.80681-8-kch@nvidia.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20221005032257.80681-1-kch@nvidia.com> References: <20221005032257.80681-1-kch@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT093:EE_|DM4PR12MB5182:EE_ X-MS-Office365-Filtering-Correlation-Id: 733cfe8b-e794-46b0-6971-08daa68126fa X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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block: add and use init tagset helper
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expand
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diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 23c5a1239520..975b4a8213af 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -885,6 +885,8 @@ static int virtblk_probe(struct virtio_device *vdev) struct virtio_blk *vblk; struct request_queue *q; int err, index; + unsigned int cmd_size = sizeof(struct virtblk_req) + + sizeof(struct scatterlist) * VIRTIO_BLK_INLINE_SG_CNT; u32 v, blk_size, max_size, sg_elems, opt_io_size; u16 min_io_size; @@ -942,15 +944,9 @@ static int virtblk_probe(struct virtio_device *vdev) } memset(&vblk->tag_set, 0, sizeof(vblk->tag_set)); - vblk->tag_set.ops = &virtio_mq_ops; - vblk->tag_set.queue_depth = queue_depth; - vblk->tag_set.numa_node = NUMA_NO_NODE; - vblk->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; - vblk->tag_set.cmd_size = - sizeof(struct virtblk_req) + - sizeof(struct scatterlist) * VIRTIO_BLK_INLINE_SG_CNT; - vblk->tag_set.driver_data = vblk; - vblk->tag_set.nr_hw_queues = vblk->num_vqs; + blk_mq_init_tag_set(&vblk->tag_set, &virtio_mq_ops, vblk->num_vqs, + queue_depth, cmd_size, NUMA_NO_NODE, 0, + BLK_MQ_F_SHOULD_MERGE, vblk); vblk->tag_set.nr_maps = 1; if (vblk->io_queues[HCTX_TYPE_POLL]) vblk->tag_set.nr_maps = 3;
Use the block layer helper to initialize the common fields of tag_set such as blk_mq_ops, number of h/w queues, queue depth, command size, numa_node, timeout, BLK_MQ_F_XXX flags, driver data. This initialization is spread all over the block drivers. This avoids the code repetation of the inialization code of the tag set in current block drivers and any future ones. Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com> --- drivers/block/virtio_blk.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-)