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nvme-loop: store the generic nvme_ctrl in set->driver_data

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Point the private data to the generic controller structure in preparation
of using the common tagset init/exit code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
This commit is contained in:
Christoph Hellwig 2022-09-20 17:20:46 +02:00
parent 379e0df5ab
commit 2ade82213b
1 changed files with 5 additions and 5 deletions
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10
drivers/nvme/target/loop.c
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@ -204,7 +204,7 @@ static int nvme_loop_init_request(struct blk_mq_tag_set *set,
struct request *req, unsigned int hctx_idx,
unsigned int numa_node)
{
struct nvme_loop_ctrl *ctrl = set->driver_data;
struct nvme_loop_ctrl *ctrl = to_loop_ctrl(set->driver_data);
struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req);
nvme_req(req)->ctrl = &ctrl->ctrl;
@ -218,7 +218,7 @@ static struct lock_class_key loop_hctx_fq_lock_key;
static int nvme_loop_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
unsigned int hctx_idx)
{
struct nvme_loop_ctrl *ctrl = data;
struct nvme_loop_ctrl *ctrl = to_loop_ctrl(data);
struct nvme_loop_queue *queue = &ctrl->queues[hctx_idx + 1];
BUG_ON(hctx_idx >= ctrl->ctrl.queue_count);
@ -238,7 +238,7 @@ static int nvme_loop_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
static int nvme_loop_init_admin_hctx(struct blk_mq_hw_ctx *hctx, void *data,
unsigned int hctx_idx)
{
struct nvme_loop_ctrl *ctrl = data;
struct nvme_loop_ctrl *ctrl = to_loop_ctrl(data);
struct nvme_loop_queue *queue = &ctrl->queues[0];
BUG_ON(hctx_idx != 0);
@ -357,7 +357,7 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl)
ctrl->admin_tag_set.numa_node = ctrl->ctrl.numa_node;
ctrl->admin_tag_set.cmd_size = sizeof(struct nvme_loop_iod) +
NVME_INLINE_SG_CNT * sizeof(struct scatterlist);
ctrl->admin_tag_set.driver_data = ctrl;
ctrl->admin_tag_set.driver_data = &ctrl->ctrl;
ctrl->admin_tag_set.nr_hw_queues = 1;
ctrl->admin_tag_set.timeout = NVME_ADMIN_TIMEOUT;
ctrl->admin_tag_set.flags = BLK_MQ_F_NO_SCHED;
@ -530,7 +530,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl)
ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
ctrl->tag_set.cmd_size = sizeof(struct nvme_loop_iod) +
NVME_INLINE_SG_CNT * sizeof(struct scatterlist);
ctrl->tag_set.driver_data = ctrl;
ctrl->tag_set.driver_data = &ctrl->ctrl;
ctrl->tag_set.nr_hw_queues = ctrl->ctrl.queue_count - 1;
ctrl->tag_set.timeout = NVME_IO_TIMEOUT;
ctrl->ctrl.tagset = &ctrl->tag_set;