blk_debugfs_lock identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

block/blk.h, line 803 (as a function)

Referenced in 5 files:

Smatch caller information:

block/blk-mq-debugfs.c blk_mq_debugfs_register_hctxs() -> blk_debugfs_lock()

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->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
DATA_SOURCE	0	q	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&set->tag_list_lock
LOCK2		&set->update_nr_hwq_lock
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&dev->shutdown_lock
HALF_LOCKED2		&frag->frag_sem
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &lock
TYPE_LOCK		(struct blk_mq_tag_set)->tag_list_lock
TYPE_LOCK		(struct blk_mq_tag_set)->update_nr_hwq_lock

block/blk-mq-sched.c blk_mq_sched_reg_debugfs() -> blk_debugfs_lock()

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_dname	0,716233247738060800,2056107418359259136,2102941272419614720,3721061892745007104,5585410052597575680,6720345164634435584,7931586599356526592
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	0,5632434648052031488,5669063523602272256,7231033168839651328
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	0,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->elevator	0,4096-ptr_max
PARAM_VALUE	0	q->elevator->type	4096-ptr_max
PARAM_VALUE	0	q->elevator->type->elevator_name	1293291037062647808,3885852998487097344,6240106221646659584
PARAM_VALUE	0	q->elevator_lock.dep_map->name	0-255
PARAM_VALUE	0	q->elevator_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->elevator_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->elevator_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	q->elevator_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	q->elevator_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	q->elevator_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	q->elevator_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	q->elevator_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	q->elevator_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->elevator_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	q->io_lockdep_map->name	0-255
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->q_lockdep_map->name	0-255
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_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	0,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	q->stats->accounting	s32min-s32max
BUF_SIZE	0	q->debugfs_dir	s32min-(-1),1-s32max
DATA_SOURCE	0	q	$0
RX_PATH
TASK_NOT_RUNNING
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.discard_granularity
NO_OVERFLOW_SIMPLE	0	q->limits.max_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		&set->tag_list_lock
HALF_LOCKED2		&set->update_nr_hwq_lock
HALF_LOCKED2	0	&q->sysfs_lock

block/blk-sysfs.c blk_register_queue() -> blk_debugfs_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->mq_ops	0-1
PARAM_VALUE	0	q->sysfs_lock.dep_map->name	0-255
PARAM_VALUE	0	q->sysfs_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->sysfs_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	q->sysfs_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->sysfs_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	q->sysfs_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	q->sysfs_lock.wait_lock.owner_cpu	u32max
CAPPED_DATA	0	&q->sysfs_lock	1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	q->async_depth
NO_OVERFLOW_SIMPLE	0	q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	q->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	q->nr_requests
LOCK2	0	&q->sysfs_lock
HALF_LOCKED2		&set->update_nr_hwq_lock
TYPE_LOCK		(struct request_queue)->sysfs_lock

kernel/trace/blktrace.c blk_trace_setup() -> blk_debugfs_lock()

Type	Key	Value
DATA_SOURCE	q	$0
STR_LEN	q	(-1),31
STR_LEN	q	(-1),31

kernel/trace/blktrace.c blk_trace_setup2() -> blk_debugfs_lock()

Type	Key	Value
DATA_SOURCE	q	$0
STR_LEN	q	31
STR_LEN	q	31

kernel/trace/blktrace.c compat_blk_trace_setup() -> blk_debugfs_lock()

Type	Key	Value
DATA_SOURCE	q	$0
STR_LEN	q	31
STR_LEN	q	31

kernel/trace/blktrace.c sysfs_blk_trace_attr_store() -> blk_debugfs_lock()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

block/blk-wbt.c wbt_init_enable_default() -> blk_debugfs_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->debugfs_dir	4096-u64max
PARAM_VALUE	0	q->mq_ops	1
PARAM_VALUE	0	q->sysfs_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	q->sysfs_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	q->sysfs_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	q->sysfs_lock.wait_lock.owner_cpu	u32max
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	q->async_depth
NO_OVERFLOW_SIMPLE	0	q->limits.max_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
LOCK2		&q->sysfs_lock
HALF_LOCKED2		&set->update_nr_hwq_lock
TYPE_LOCK		(struct request_queue)->sysfs_lock

block/blk-wbt.c wbt_set_lat() -> blk_debugfs_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	q	4096-ptr_max
PARAM_VALUE	0	q->io_lockdep_map->name	0-255
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_lockdep_map->name	0-255
PARAM_VALUE	0	q->q_usage_counter.data	0,4096-ptr_max
PARAM_VALUE	0	q->queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->lock.dep_map->name	0-255
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->lock.owner	(-1)
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->lock.owner_cpu	u32max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->sda_is_static	1
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_barrier_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_barrier_mutex.magic	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_cb_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_cb_mutex.magic	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_gp_mutex.dep_map->name	0-255
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_gp_mutex.magic	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_gp_seq	18446744073709551216
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_gp_seq_needed	0,4-u64max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_gp_seq_needed_exp	18446744073709551216
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_size_state	0-1,8
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_ssp	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_ssp->sda	1-u64max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->srcu_ssp->srcu_sup	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->work.work.entry.next	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->work.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->work.work.entry.prev	2076614606316732416
PARAM_VALUE	0	q->tag_set->srcu->srcu_sup->work.work.entry.prev->prev	2076614606316732416
RX_PATH
TASK_NOT_RUNNING
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex