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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2022 03:24:32.9023 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8765208f-722a-4fa0-2032-08daa6811f30 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT089.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4106 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221004_202437_720625_1AE522F5 X-CRM114-Status: GOOD ( 11.99 ) X-Mailman-Approved-At: Wed, 05 Oct 2022 09:06:48 -0700 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org 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 --- drivers/block/rnbd/rnbd-clt.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index 78334da74d8b..8f67a7e5299a 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -1203,25 +1203,22 @@ static struct blk_mq_ops rnbd_mq_ops = { static int setup_mq_tags(struct rnbd_clt_session *sess) { - struct blk_mq_tag_set *tag_set = &sess->tag_set; - - memset(tag_set, 0, sizeof(*tag_set)); - tag_set->ops = &rnbd_mq_ops; - tag_set->queue_depth = sess->queue_depth; - tag_set->numa_node = NUMA_NO_NODE; - tag_set->flags = BLK_MQ_F_SHOULD_MERGE | - BLK_MQ_F_TAG_QUEUE_SHARED; - tag_set->cmd_size = sizeof(struct rnbd_iu) + RNBD_RDMA_SGL_SIZE; - - /* for HCTX_TYPE_DEFAULT, HCTX_TYPE_READ, HCTX_TYPE_POLL */ - tag_set->nr_maps = sess->nr_poll_queues ? HCTX_MAX_TYPES : 2; /* * HCTX_TYPE_DEFAULT and HCTX_TYPE_READ share one set of queues * others are for HCTX_TYPE_POLL */ - tag_set->nr_hw_queues = num_online_cpus() + sess->nr_poll_queues; - tag_set->driver_data = sess; + unsigned int nr_hw_queue = num_online_cpus() + sess->nr_poll_queues; + struct blk_mq_tag_set *tag_set = &sess->tag_set; + memset(tag_set, 0, sizeof(*tag_set)); + blk_mq_init_tag_set(tag_set, &rnbd_mq_ops, nr_hw_queue, + sess->queue_depth, + sizeof(struct rnbd_iu) + RNBD_RDMA_SGL_SIZE, + NUMA_NO_NODE, 0, + BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_TAG_QUEUE_SHARED, sess); + /* for HCTX_TYPE_DEFAULT, HCTX_TYPE_READ, HCTX_TYPE_POLL */ + + tag_set->nr_maps = sess->nr_poll_queues ? HCTX_MAX_TYPES : 2; return blk_mq_alloc_tag_set(tag_set); } -- 2.29.0