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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=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/scsi/scsi_lib.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d7ec4ab2b111..121f292ba0d8 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1955,6 +1955,8 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost) { unsigned int cmd_size, sgl_size; struct blk_mq_tag_set *tag_set = &shost->tag_set; + unsigned int flags = BLK_MQ_F_SHOULD_MERGE | + BLK_ALLOC_POLICY_TO_MQ_FLAG(shost->hostt->tag_alloc_policy); sgl_size = max_t(unsigned int, sizeof(struct scatterlist), scsi_mq_inline_sgl_size(shost)); @@ -1964,19 +1966,14 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost) sizeof(struct scatterlist) * SCSI_INLINE_PROT_SG_CNT; memset(tag_set, 0, sizeof(*tag_set)); + blk_mq_init_tag_set(tag_set, NULL, shost->nr_hw_queues ? : 1, + shost->can_queue, cmd_size, dev_to_node(shost->dma_dev), + 0, flags, shost); if (shost->hostt->commit_rqs) tag_set->ops = &scsi_mq_ops; else tag_set->ops = &scsi_mq_ops_no_commit; - tag_set->nr_hw_queues = shost->nr_hw_queues ? : 1; tag_set->nr_maps = shost->nr_maps ? : 1; - tag_set->queue_depth = shost->can_queue; - tag_set->cmd_size = cmd_size; - tag_set->numa_node = dev_to_node(shost->dma_dev); - tag_set->flags = BLK_MQ_F_SHOULD_MERGE; - tag_set->flags |= - BLK_ALLOC_POLICY_TO_MQ_FLAG(shost->hostt->tag_alloc_policy); - tag_set->driver_data = shost; if (shost->host_tagset) tag_set->flags |= BLK_MQ_F_TAG_HCTX_SHARED; -- 2.29.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/