nvme_init_request identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/nvme/host/nvme.h, line 925 (as a prototype)

Defined in 1 files as a function:

drivers/nvme/host/core.c, line 736 (as a function)

Referenced in 4 files:

Smatch caller information:

drivers/nvme/host/core.c __nvme_submit_sync_cmd() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->cmd_flags	34
PARAM_VALUE	0	req->crypt_ctx	0
PARAM_VALUE	0	req->crypt_keyslot	0
PARAM_VALUE	0	req->deadline	0
PARAM_VALUE	0	req->end_io	0
PARAM_VALUE	0	req->end_io_data	0
PARAM_VALUE	0	req->io_start_time_ns	0
PARAM_VALUE	0	req->mq_hctx	4096-ptr_max
PARAM_VALUE	0	req->nr_integrity_segments	0
PARAM_VALUE	0	req->nr_phys_segments	0
PARAM_VALUE	0	req->part	0
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	0	req->ref.counter	1
PARAM_VALUE	0	req->rq_flags	0,16-u32max
PARAM_VALUE	0	req->stats_sectors	0
PARAM_VALUE	0	req->timeout	0
PARAM_VALUE	1	cmd	4096-ptr_max
PARAM_VALUE	1	cmd->auth_receive.al	0,4096
PARAM_VALUE	1	cmd->auth_receive.fctype	0,6
PARAM_VALUE	1	cmd->auth_send.fctype	0,5
PARAM_VALUE	1	cmd->common.cdw10	0-1073741822,3221225472,3221225474
PARAM_VALUE	1	cmd->common.flags	0-63
PARAM_VALUE	1	cmd->common.opcode	0,13-14,17,21,129-130
PARAM_VALUE	1	cmd->create_sq.sq_flags	0-1,5
PARAM_VALUE	1	cmd->dsm.nr	0
PARAM_VALUE	1	cmd->dsm.nsid	0
PARAM_VALUE	1	cmd->fabrics.fctype	0
PARAM_VALUE	1	cmd->imr.mo	0-1
PARAM_VALUE	1	cmd->imr.mos	0
PARAM_VALUE	1	cmd->imr.numd	0,1011
PARAM_VALUE	1	cmd->prop_get.attrib	0-255
PARAM_VALUE	1	cmd->prop_set.value	0,2-u32max
PARAM_VALUE	1	cmd->rw.cdw2	0
PARAM_VALUE	1	cmd->rw.cdw3	0
PARAM_VALUE	1	cmd->rw.flags	0
PARAM_VALUE	1	cmd->rw.lbat	0
PARAM_VALUE	1	cmd->rw.lbatm	0
PARAM_VALUE	1	cmd->rw.nsid	0
PARAM_VALUE	1	cmd->rw.slba	0
PARAM_VALUE	1	cmd->zmr.numd	0,31-67107839
PARAM_VALUE	1	cmd->zmr.pr	0-1
PARAM_VALUE	1	cmd->zmr.zra	0
PARAM_VALUE	1	cmd->zms.nsid	0
PARAM_VALUE	1	cmd->zms.slba	0
PARAM_VALUE	1	cmd->zms.zsa	0
CAPPED_DATA	0	req->q	1
DATA_SOURCE	1	cmd	$1
HARD_MAX	1	cmd->imr.mo	1
HARD_MAX	1	cmd->imr.numd	1011
HARD_MAX	1	cmd->zmr.pr	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	cmd->connect.sqsize	0-u16max[c]
HOST_DATA	1	cmd->create_cq.cqid	0-u16max[c]
HOST_DATA	1	cmd->create_cq.irq_vector	0-s16max[c]
HOST_DATA	1	cmd->create_sq.cqid	0-u16max[c]
HOST_DATA	1	cmd->create_sq.sqid	0-u16max[c]
HOST_DATA	1	cmd->dbbuf.prp1	0-u64max
HOST_DATA	1	cmd->dbbuf.prp2	0-u64max
HOST_DATA	1	cmd->delete_queue.qid	0-u16max[c]
HOST_DATA	1	cmd->features.dword12	0-u32max
HOST_DATA	1	cmd->features.dword13	0-u32max
HOST_DATA	1	cmd->features.dword14	0-u32max[c]
HOST_DATA	1	cmd->features.dword15	0
HOST_DATA	1	cmd->prop_set.value	0,2-u32max[c]
USER_DATA	1	cmd->common.cdw10	0-1,8-9,256-1544,3221225472,3221225474[c][u]
USER_DATA	1	cmd->common.flags	0[c]
USER_DATA	1	cmd->features.dword11	0-u32max[c][u]
USER_DATA	1	cmd->zmr.numd	31-67107838[c]
USER_DATA	1	cmd->zmr.slba	0-u64max[c]
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	1	cmd->connect.qid
NO_OVERFLOW_SIMPLE	1	cmd->features.dword15
HALF_LOCKED2		&dev->dev_lock

drivers/nvme/host/core.c nvme_keep_alive_work() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->mq_hctx->type	0-2
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	cmd	4096-ptr_max
DATA_SOURCE	0	req	r blk_mq_alloc_request
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr
HALF_LOCKED2		&pool->lock

drivers/nvme/host/ioctl.c nvme_alloc_user_request() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->mq_hctx->type	0-2
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	cmd	1812795278692827136,4587513034792280064,5385778911610314752,8817291235396108288
PARAM_VALUE	1	cmd->common.flags	0-63
DATA_SOURCE	0	req	r blk_mq_alloc_request
DATA_SOURCE	1	cmd	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	1	cmd->common.cdw10	0-u32max
USER_DATA	1	cmd->common.cdw11	0-u32max
USER_DATA	1	cmd->common.cdw12	0-u32max
USER_DATA	1	cmd->common.cdw13	0-u32max
USER_DATA	1	cmd->common.cdw14	0-u32max
USER_DATA	1	cmd->common.cdw15	0-u32max
USER_DATA	1	cmd->common.flags	0
USER_DATA	1	cmd->common.nsid	0-u32max
USER_DATA	1	cmd->common.opcode	0-255
USER_DATA	1	cmd->rw.control	8192-u16max
USER_DATA	1	cmd->rw.dsmgmt	0-u32max
USER_DATA	1	cmd->rw.flags	0
USER_DATA	1	cmd->rw.lbat	0-u16max
USER_DATA	1	cmd->rw.lbatm	0-u16max
USER_DATA	1	cmd->rw.length	0-u16max
USER_DATA	1	cmd->rw.opcode	1-2,5
USER_DATA	1	cmd->rw.reftag	0-u32max
USER_DATA	1	cmd->rw.slba	0-u64max
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr

drivers/nvme/host/pci.c nvme_delete_queue() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->mq_hctx->type	0-2
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	cmd	4554373203515691008
PARAM_VALUE	1	cmd->common.flags	0
PARAM_VALUE	1	cmd->delete_queue.opcode	0,4
PARAM_VALUE	1	cmd->dsm.nr	0
PARAM_VALUE	1	cmd->dsm.nsid	0
PARAM_VALUE	1	cmd->imr.mo	0
PARAM_VALUE	1	cmd->imr.mos	0
PARAM_VALUE	1	cmd->imr.nsid	0
PARAM_VALUE	1	cmd->imr.numd	0
PARAM_VALUE	1	cmd->rw.cdw2	0
PARAM_VALUE	1	cmd->rw.cdw3	0
PARAM_VALUE	1	cmd->rw.flags	0
PARAM_VALUE	1	cmd->rw.lbat	0
PARAM_VALUE	1	cmd->rw.lbatm	0
PARAM_VALUE	1	cmd->rw.nsid	0
PARAM_VALUE	1	cmd->rw.slba	0
PARAM_VALUE	1	cmd->zmr.nsid	0
PARAM_VALUE	1	cmd->zmr.numd	0
PARAM_VALUE	1	cmd->zmr.pr	0
PARAM_VALUE	1	cmd->zmr.slba	0
PARAM_VALUE	1	cmd->zmr.zra	0
PARAM_VALUE	1	cmd->zms.nsid	0
PARAM_VALUE	1	cmd->zms.slba	0
PARAM_VALUE	1	cmd->zms.zsa	0
DATA_SOURCE	0	req	r blk_mq_alloc_request
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr
HALF_LOCKED2		&dev->shutdown_lock
HALF_LOCKED2		&pool->lock

drivers/nvme/host/pci.c nvme_timeout() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->mq_hctx->type	0-2
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	cmd	5553647324000288768
PARAM_VALUE	1	cmd->abort.opcode	8
PARAM_VALUE	1	cmd->abort.sqid	1-u16max
PARAM_VALUE	1	cmd->common.flags	0
PARAM_VALUE	1	cmd->dsm.nr	0
PARAM_VALUE	1	cmd->dsm.nsid	0
PARAM_VALUE	1	cmd->imr.mo	0
PARAM_VALUE	1	cmd->imr.mos	0
PARAM_VALUE	1	cmd->imr.nsid	0
PARAM_VALUE	1	cmd->imr.numd	0
PARAM_VALUE	1	cmd->rw.cdw2	0
PARAM_VALUE	1	cmd->rw.cdw3	0
PARAM_VALUE	1	cmd->rw.flags	0
PARAM_VALUE	1	cmd->rw.lbat	0
PARAM_VALUE	1	cmd->rw.lbatm	0
PARAM_VALUE	1	cmd->rw.nsid	0
PARAM_VALUE	1	cmd->rw.slba	0
PARAM_VALUE	1	cmd->zmr.nsid	0
PARAM_VALUE	1	cmd->zmr.numd	0
PARAM_VALUE	1	cmd->zmr.pr	0
PARAM_VALUE	1	cmd->zmr.slba	0
PARAM_VALUE	1	cmd->zmr.zra	0
PARAM_VALUE	1	cmd->zms.nsid	0
PARAM_VALUE	1	cmd->zms.slba	0
PARAM_VALUE	1	cmd->zms.zsa	0
DATA_SOURCE	0	req	r blk_mq_alloc_request
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr
HALF_LOCKED2		&khd->lock

drivers/nvme/target/passthru.c nvmet_passthru_execute_cmd() -> nvme_init_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__data_len	0
PARAM_VALUE	0	req->__sector	u64max
PARAM_VALUE	0	req->bio	0
PARAM_VALUE	0	req->biotail	0
PARAM_VALUE	0	req->mq_hctx->type	0-2
PARAM_VALUE	0	req->phys_gap_bit	0
PARAM_VALUE	0	req->q	4096-ptr_max
PARAM_VALUE	0	req->queuelist.next->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->next	4096-ptr_max
PARAM_VALUE	0	req->queuelist.prev->prev	4096-ptr_max
PARAM_VALUE	1	cmd	4096-ptr_max
DATA_SOURCE	0	req	r blk_mq_alloc_request
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE	0	req->q->async_depth
NO_OVERFLOW_SIMPLE	0	req->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	req->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	req->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE	0	req->q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	req->q->nr_requests
NO_OVERFLOW_SIMPLE	0	req->q->q_usage_counter.percpu_count_ptr
HALF_LOCKED2		&pool->lock