blk_mq_freeze_queue_wait identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/blk-mq.h, line 966 (as a prototype)

Defined in 1 files as a function:

block/blk-mq.c, line 189 (as a function)

Referenced in 4 files:

Smatch caller information:

block/blk-mq.c blk_mq_destroy_queue() -> blk_mq_freeze_queue_wait()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	q->mq_freeze_lock.dep_map->name	0-255
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	q->mq_freeze_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->mq_ops	0-1
PARAM_VALUE	0	q->q_usage_counter.data	0,4096-ptr_max
PARAM_VALUE	0	q->q_usage_counter.data->rcu.func	1-u64max
PARAM_VALUE	0	q->q_usage_counter.data->rcu.next	0
PARAM_VALUE	0	q->q_usage_counter.percpu_count_ptr	1-u64max
BUF_SIZE	0	q->mq_ops	(-1),144
BUF_SIZE	0	q->queuedata	(-1),128,736,792,816,1008-s32max
BUF_SIZE	0	q->tag_set	(-1),528
DATA_SOURCE	0	q	$0
STR_LEN	0	q->queuedata	(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	q->async_depth	1-10238[c]
HOST_DATA	0	q->disk->bdi->io_pages	0-268435455[c]
HOST_DATA	0	q->disk->bdi->ra_pages	33-536870911[c]
HOST_DATA	0	q->limits.alignment_offset	0-u16max[c]
HOST_DATA	0	q->limits.atomic_write_max_sectors	0-8388607[c]
HOST_DATA	0	q->limits.discard_granularity	512-u32max[c]
HOST_DATA	0	q->limits.integrity.interval_exp	0-31[c]
HOST_DATA	0	q->limits.io_min	512-65536[c]
HOST_DATA	0	q->limits.max_active_zones	0-u32max
HOST_DATA	0	q->limits.max_integrity_segments	0-u16max
HOST_DATA	0	q->limits.max_open_zones	0-u32max
HOST_DATA	0	q->limits.max_sectors	0-s32max[c]
HOST_DATA	0	q->limits.max_segments	1-u16max[c]
HOST_DATA	0	q->limits.max_zone_append_sectors	0-s32max[c]
HOST_DATA	0	q->limits.zone_write_granularity	512-65536[c]
HOST_DATA	0	q->mq_kobj->kref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	q->nr_requests	1-10238[c]
HOST_DATA	0	q->tag_set->queue_depth	1-10238[c]
HOST_DATA	0	q->tag_set->reserved_tags	0-u32max
HOST_DATA	0	q->tag_set->tags_srcu.srcu_sup->srcu_ssp->srcu_reader_flavor	0-255
USER_DATA	0	q->limits.atomic_write_max_sectors	0-8388607[c]
USER_DATA	0	q->limits.discard_granularity	512-u32max[c]
USER_DATA	0	q->limits.io_min	512-u32max[c]
USER_DATA	0	q->limits.logical_block_size	512-65536[c]
USER_DATA	0	q->limits.physical_block_size	512-u32max[c]
USER_DATA	0	q->queue_depth	1-4095[c]
NO_OVERFLOW_SIMPLE	0	q->async_depth
NO_OVERFLOW_SIMPLE	0	q->disk->bio_split.bio_pool.min_nr
NO_OVERFLOW_SIMPLE	0	q->disk->bio_split.bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	0	q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	q->nr_requests
NO_OVERFLOW_SIMPLE	0	q->tag_set->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	q->tag_set->queue_depth
HALF_LOCKED2		&shost->scan_mutex

block/blk-mq.c blk_mq_freeze_queue_nomemsave() -> blk_mq_freeze_queue_wait()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->debugfs_dir->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	q->debugfs_dir->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	q->debugfs_dir->d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	q->debugfs_dir->d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->debugfs_dir->d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->debugfs_dir->d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->debugfs_dir->d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->debugfs_dir->d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->debugfs_dir->d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	q->debugfs_dir->d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	q->debugfs_dir->d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->debugfs_dir->d_parent->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->debugfs_dir->d_parent->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->debugfs_dir->d_parent->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->debugfs_dir->d_parent->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->debugfs_dir->d_parent->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	q->debugfs_dir->d_sb->__s_d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	q->elevator->type->elevator_name	1293291037062647808,3885852998487097344,6240106221646659584
PARAM_VALUE	0	q->mq_freeze_lock.dep_map->name	0-255
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	q->mq_freeze_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	q->mq_freeze_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->mq_freeze_owner	1-u64max
PARAM_VALUE	0	q->mq_kobj->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	q->q_usage_counter.data	0,4096-ptr_max
PARAM_VALUE	0	q->q_usage_counter.data->rcu.func	1-u64max
PARAM_VALUE	0	q->q_usage_counter.data->rcu.next	0
PARAM_VALUE	0	q->q_usage_counter.percpu_count_ptr	1-u64max
PARAM_VALUE	0	q->sched_debugfs_dir->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	q->sched_debugfs_dir->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	q->sched_debugfs_dir->d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->sched_debugfs_dir->d_parent->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->sched_debugfs_dir->d_parent->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->sched_debugfs_dir->d_parent->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->sched_debugfs_dir->d_parent->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->sched_debugfs_dir->d_parent->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	q->sched_debugfs_dir->d_sb->__s_d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->tag_set->update_nr_hwq_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	q->tag_set->update_nr_hwq_lock.first_waiter->type	0-1
BUF_SIZE	0	q	(-1)-s32max
BUF_SIZE	0	q	(-1)-s32max
BUF_SIZE	0	q->debugfs_dir	s32min-(-1),1-s32max
DATA_SOURCE	0	q	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	q->async_depth	0-10238[c]
HOST_DATA	0	q->limits.alignment_offset	0-u16max[c]
HOST_DATA	0	q->limits.atomic_write_max_sectors	0-8388607[c]
HOST_DATA	0	q->limits.discard_granularity	512-u32max[c]
HOST_DATA	0	q->limits.integrity.interval_exp	0-31[c]
HOST_DATA	0	q->limits.io_min	512-65536[c]
HOST_DATA	0	q->limits.max_active_zones	0-u32max
HOST_DATA	0	q->limits.max_open_zones	0-u32max
HOST_DATA	0	q->limits.max_sectors	0-s32max[c]
HOST_DATA	0	q->limits.max_zone_append_sectors	0-s32max[c]
HOST_DATA	0	q->limits.zone_write_granularity	512-65536[c]
HOST_DATA	0	q->nr_requests	0-10238[c]
USER_DATA	0	q->limits.alignment_offset	0-u32max[c][u]
USER_DATA	0	q->limits.atomic_write_max_sectors	0-8388607[c]
USER_DATA	0	q->limits.discard_granularity	512-u32max[c]
USER_DATA	0	q->limits.io_min	512-u32max[c]
USER_DATA	0	q->limits.logical_block_size	512-65536[c]
USER_DATA	0	q->limits.max_hw_wzeroes_unmap_sectors	0-u32max[c]
USER_DATA	0	q->limits.max_sectors	0-s32max[c]
USER_DATA	0	q->limits.max_write_zeroes_sectors	0-u32max[c]
USER_DATA	0	q->limits.max_wzeroes_unmap_sectors	0-s32max[c]
USER_DATA	0	q->limits.max_zone_append_sectors	0-s32max[c]
USER_DATA	0	q->limits.physical_block_size	512-u32max[c]
USER_DATA	0	q->queue_depth	1-4095[c]
NO_OVERFLOW_SIMPLE	0	q->async_depth
NO_OVERFLOW_SIMPLE	0	q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	q->nr_requests
HALF_LOCKED2		&bdev->bd_queue->rq_qos_mutex
HALF_LOCKED2		&hba->host_sem
HALF_LOCKED2		&lo->lo_mutex
HALF_LOCKED2		&nbd->config_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&set->tag_list_lock
HALF_LOCKED2		&set->update_nr_hwq_lock
HALF_LOCKED2		&shost->scan_mutex
HALF_LOCKED2		&ub->mutex
HALF_LOCKED2		global &mtd_table_mutex
HALF_LOCKED2	0	&q->limits_lock
HALF_LOCKED2	0	&q->sysfs_lock

drivers/nvme/host/core.c nvme_wait_freeze() -> blk_mq_freeze_queue_wait()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ctrl->srcu
HALF_LOCKED2		&ctrl->scan_lock
HALF_LOCKED2		&ctrl->subsys->lock
TYPE_LOCK		(struct nvme_ctrl)->srcu

block/genhd.c __del_gendisk() -> blk_mq_freeze_queue_wait()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->mq_ops	0-1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	q->limits.alignment_offset	0-u16max[c]
HOST_DATA	0	q->limits.atomic_write_max_sectors	0-8388607[c]
HOST_DATA	0	q->limits.discard_granularity	512-u32max[c]
HOST_DATA	0	q->limits.integrity.interval_exp	0-31[c]
HOST_DATA	0	q->limits.io_min	512-65536[c]
HOST_DATA	0	q->limits.max_active_zones	0-u32max
HOST_DATA	0	q->limits.max_open_zones	0-u32max
HOST_DATA	0	q->limits.max_sectors	0-s32max[c]
HOST_DATA	0	q->limits.max_zone_append_sectors	0-s32max[c]
HOST_DATA	0	q->limits.zone_write_granularity	512-65536[c]
NO_OVERFLOW_SIMPLE	0	q->async_depth
NO_OVERFLOW_SIMPLE	0	q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	q->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	q->nr_requests
HALF_LOCKED2		&dev->mutex
HALF_LOCKED2		&md->table_devices_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&set->update_nr_hwq_lock
HALF_LOCKED2		&ub->mutex
HALF_LOCKED2		global &bch_register_lock
HALF_LOCKED2		global &devices_mutex
HALF_LOCKED2		global &mtd_table_mutex

drivers/nvme/host/multipath.c nvme_mpath_wait_freeze() -> blk_mq_freeze_queue_wait()

Type	Parameter	Key	Value
NOCHECK_CALL
LOCK2		&ctrl->scan_lock
LOCK2		&subsys->lock
TYPE_LOCK		(struct nvme_ctrl)->scan_lock
TYPE_LOCK		(struct nvme_subsystem)->lock