Message ID | 20221005032257.80681-3-kch@nvidia.com |
---|---|
State | Not Applicable |
Headers | show
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Tue, 4 Oct 2022 20:23:37 -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 20:23:33 -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 02/21] loop: use lib tagset init helper Date: Tue, 4 Oct 2022 20:22:38 -0700 Message-ID: <20221005032257.80681-3-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: BN8NAM11FT026:EE_|DM4PR12MB5343:EE_ X-MS-Office365-Filtering-Correlation-Id: 6eb8e058-cf52-44af-d469-08daa681035e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: 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 ini [...] Content analysis details: (0.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [40.107.236.41 listed in list.dnswl.org] 0.0 SPF_NONE SPF: sender does not publish an SPF Record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.236.41 listed in wl.mailspike.net] 1.0 FORGED_SPF_HELO No description available. -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
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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/loop.c b/drivers/block/loop.c index ad92192c7d61..a915f25b4410 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1937,6 +1937,8 @@ static const struct blk_mq_ops loop_mq_ops = { static int loop_add(int i) { + unsigned int flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING | + BLK_MQ_F_NO_SCHED_BY_DEFAULT; struct loop_device *lo; struct gendisk *disk; int err; @@ -1967,14 +1969,8 @@ static int loop_add(int i) goto out_free_dev; i = err; - lo->tag_set.ops = &loop_mq_ops; - lo->tag_set.nr_hw_queues = 1; - lo->tag_set.queue_depth = hw_queue_depth; - lo->tag_set.numa_node = NUMA_NO_NODE; - lo->tag_set.cmd_size = sizeof(struct loop_cmd); - lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING | - BLK_MQ_F_NO_SCHED_BY_DEFAULT; - lo->tag_set.driver_data = lo; + blk_mq_init_tag_set(&lo->tag_set, &loop_mq_ops, 1, hw_queue_depth, + sizeof(struct loop_cmd), NUMA_NO_NODE, 0, flags, lo); err = blk_mq_alloc_tag_set(&lo->tag_set); if (err)
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/loop.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)