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nvme-rdma: split nvme_rdma_alloc_tagset

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Split nvme_rdma_alloc_tagset into one helper for the admin tag_set and
one for the I/O tag set.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-07-21 08:19:02 +02:00 committed by Jens Axboe
parent 2455a4b778
commit a7f7b7116c
1 changed files with 46 additions and 46 deletions
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92
drivers/nvme/host/rdma.c
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@ -787,50 +787,54 @@ out_free_queues:
return ret;
}
static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl,
bool admin)
static int nvme_rdma_alloc_admin_tag_set(struct nvme_ctrl *nctrl)
{
struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl);
struct blk_mq_tag_set *set;
struct blk_mq_tag_set *set = &ctrl->admin_tag_set;
int ret;
if (admin) {
set = &ctrl->admin_tag_set;
memset(set, 0, sizeof(*set));
set->ops = &nvme_rdma_admin_mq_ops;
set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
set->reserved_tags = NVMF_RESERVED_TAGS;
set->numa_node = nctrl->numa_node;
set->cmd_size = sizeof(struct nvme_rdma_request) +
NVME_RDMA_DATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = 1;
set->timeout = NVME_ADMIN_TIMEOUT;
set->flags = BLK_MQ_F_NO_SCHED;
} else {
set = &ctrl->tag_set;
memset(set, 0, sizeof(*set));
set->ops = &nvme_rdma_mq_ops;
set->queue_depth = nctrl->sqsize + 1;
set->reserved_tags = NVMF_RESERVED_TAGS;
set->numa_node = nctrl->numa_node;
set->flags = BLK_MQ_F_SHOULD_MERGE;
set->cmd_size = sizeof(struct nvme_rdma_request) +
NVME_RDMA_DATA_SGL_SIZE;
if (nctrl->max_integrity_segments)
set->cmd_size += sizeof(struct nvme_rdma_sgl) +
NVME_RDMA_METADATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = nctrl->queue_count - 1;
set->timeout = NVME_IO_TIMEOUT;
set->nr_maps = nctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2;
}
memset(set, 0, sizeof(*set));
set->ops = &nvme_rdma_admin_mq_ops;
set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
set->reserved_tags = NVMF_RESERVED_TAGS;
set->numa_node = nctrl->numa_node;
set->cmd_size = sizeof(struct nvme_rdma_request) +
NVME_RDMA_DATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = 1;
set->timeout = NVME_ADMIN_TIMEOUT;
set->flags = BLK_MQ_F_NO_SCHED;
ret = blk_mq_alloc_tag_set(set);
if (ret)
return ERR_PTR(ret);
if (!ret)
ctrl->ctrl.admin_tagset = set;
return ret;
}
return set;
static int nvme_rdma_alloc_tag_set(struct nvme_ctrl *nctrl)
{
struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl);
struct blk_mq_tag_set *set = &ctrl->tag_set;
int ret;
memset(set, 0, sizeof(*set));
set->ops = &nvme_rdma_mq_ops;
set->queue_depth = nctrl->sqsize + 1;
set->reserved_tags = NVMF_RESERVED_TAGS;
set->numa_node = nctrl->numa_node;
set->flags = BLK_MQ_F_SHOULD_MERGE;
set->cmd_size = sizeof(struct nvme_rdma_request) +
NVME_RDMA_DATA_SGL_SIZE;
if (nctrl->max_integrity_segments)
set->cmd_size += sizeof(struct nvme_rdma_sgl) +
NVME_RDMA_METADATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = nctrl->queue_count - 1;
set->timeout = NVME_IO_TIMEOUT;
set->nr_maps = nctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2;
ret = blk_mq_alloc_tag_set(set);
if (!ret)
ctrl->ctrl.tagset = set;
return ret;
}
static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
@ -882,11 +886,9 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
goto out_free_queue;
if (new) {
ctrl->ctrl.admin_tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, true);
if (IS_ERR(ctrl->ctrl.admin_tagset)) {
error = PTR_ERR(ctrl->ctrl.admin_tagset);
error = nvme_rdma_alloc_admin_tag_set(&ctrl->ctrl);
if (error)
goto out_free_async_qe;
}
ctrl->ctrl.fabrics_q = blk_mq_init_queue(&ctrl->admin_tag_set);
if (IS_ERR(ctrl->ctrl.fabrics_q)) {
@ -969,11 +971,9 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new)
return ret;
if (new) {
ctrl->ctrl.tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, false);
if (IS_ERR(ctrl->ctrl.tagset)) {
ret = PTR_ERR(ctrl->ctrl.tagset);
ret = nvme_rdma_alloc_tag_set(&ctrl->ctrl);
if (ret)
goto out_free_io_queues;
}
ret = nvme_ctrl_init_connect_q(&(ctrl->ctrl));
if (ret)