blk_mq_alloc_map_and_rqs 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:

block/blk-mq.h, line 66 (as a prototype)

Defined in 1 files as a function:

block/blk-mq.c, line 4108 (as a function)

Referenced in 2 files:

Smatch caller information:

block/blk-mq.c __blk_mq_alloc_map_and_rqs() -> blk_mq_alloc_map_and_rqs()

Type	Parameter	Key	Value
PARAM_VALUE	0	set	4096-ptr_max
PARAM_VALUE	0	set->map	4096-ptr_max
PARAM_VALUE	0	set->nr_maps	1-u32max
PARAM_VALUE	0	set->tags	1-u64max
BUF_SIZE	0	set->driver_data	(-1),72,736,816,848,1000-s32max
BUF_SIZE	0	set->ops	(-1),144
BUF_SIZE	0	set->shared_tags	(-1),264
BUF_SIZE	0	set->srcu	(-1),80
BUF_SIZE	0	set->tags	(-1),8
CAPPED_DATA	0	set	1
CAPPED_DATA	0	set->nr_maps	1
DATA_SOURCE	0	set	$0
DATA_SOURCE	1	hctx_idx	$1
FUZZY_MAX	0	set->nr_maps	1
STR_LEN	0	set	(-1),19
STR_LEN	0	set	(-1),19
NOSPEC	0	set->queue_depth
NOSPEC	0	set->shared_tags->nr_tags
NOSPEC	2	depth
NOSPEC	2	depth
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	set->queue_depth	1-10238[c]
HOST_DATA	0	set->reserved_tags	0-u32max
HOST_DATA	0	set->shared_tags->bitmap_tags.sb.round_robin	0-1
HOST_DATA	0	set->shared_tags->breserved_tags.sb.round_robin	0-1
HOST_DATA	0	set->shared_tags->nr_reserved_tags	0-u32max
HOST_DATA	0	set->shared_tags->nr_tags	0-4294967294
HOST_DATA	2	depth	1-10238[c]
USER_DATA	0	set->nr_hw_queues	1-4096[c]
USER_DATA	0	set->queue_depth	1-4096[c]
USER_DATA	0	set->shared_tags->nr_tags	1-4096[c]
USER_DATA	2	depth	1-4096[c]
NO_OVERFLOW_SIMPLE	0	set->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	set->queue_depth
NO_OVERFLOW_SIMPLE	0	set->shared_tags->bitmap_tags.sb.depth
NO_OVERFLOW_SIMPLE	0	set->shared_tags->breserved_tags.sb.depth
NO_OVERFLOW_SIMPLE	1	hctx_idx
NO_OVERFLOW_SIMPLE	2	depth
UNITS	1	hctx_idx	unit_array_size
UNITS	2	depth	unit_array_size

block/blk-mq.c __blk_mq_alloc_rq_maps() -> blk_mq_alloc_map_and_rqs()

Type	Parameter	Key	Value
PARAM_VALUE	0	set	4096-ptr_max
PARAM_VALUE	0	set->flags	8-u32max
PARAM_VALUE	0	set->map	4096-ptr_max
PARAM_VALUE	0	set->nr_maps	1-3
PARAM_VALUE	0	set->ops	4096-ptr_max
PARAM_VALUE	0	set->ops->queue_rq	1-u64max
PARAM_VALUE	0	set->queue_depth	1-10240
PARAM_VALUE	0	set->tags	1-u64max
PARAM_VALUE	0	set->update_nr_hwq_lock.count.counter	0
PARAM_VALUE	0	set->update_nr_hwq_lock.dep_map->name	0-255
PARAM_VALUE	0	set->update_nr_hwq_lock.first_waiter	0
PARAM_VALUE	0	set->update_nr_hwq_lock.magic	4096-ptr_max
PARAM_VALUE	0	set->update_nr_hwq_lock.owner.counter	0
PARAM_VALUE	1	hctx_idx	u32max
PARAM_VALUE	2	depth	1-10240
BUF_SIZE	0	set->driver_data	(-1),72,736,816,848,1000-s32max
BUF_SIZE	0	set->ops	(-1),144
BUF_SIZE	0	set->srcu	(-1),80
BUF_SIZE	0	set->tags	8
CAPPED_DATA	0	set	1
CAPPED_DATA	0	set->nr_maps	1
DATA_SOURCE	0	set	$0
FUZZY_MAX	0	set->nr_maps	1
FUZZY_MAX	0	set->queue_depth	10240
FUZZY_MAX	2	depth	10240
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	set->queue_depth	1-10238[c]
HOST_DATA	0	set->reserved_tags	0-u32max
HOST_DATA	0	set->shared_tags->bitmap_tags.sb.round_robin	0-1
HOST_DATA	0	set->shared_tags->breserved_tags.sb.round_robin	0-1
HOST_DATA	2	depth	1-10238[c]
USER_DATA	0	set->nr_hw_queues	1-4096[c]
USER_DATA	0	set->queue_depth	1-4096[c]
USER_DATA	2	depth	1-4096[c]
NO_OVERFLOW_SIMPLE	0	set->nr_hw_queues
UNITS	2	depth	unit_array_size
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &devices_mutex
HALF_LOCKED2		global &lock
HALF_LOCKED2		global &ublk_ctl_mutex

block/blk-mq.c blk_mq_prealloc_tag_set_tags() -> blk_mq_alloc_map_and_rqs()

Type	Parameter	Key	Value
PARAM_VALUE	0	set	4096-ptr_max
PARAM_VALUE	0	set->nr_hw_queues	0-2147483646
PARAM_VALUE	0	set->tag_list_lock.dep_map->name	0-255
PARAM_VALUE	0	set->tag_list_lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	set->tag_list_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	set->tag_list_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	set->tag_list_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	set->tag_list_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	set->tag_list_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	set->tag_list_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	set->update_nr_hwq_lock.dep_map->name	0-255
PARAM_VALUE	0	set->update_nr_hwq_lock.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	set->update_nr_hwq_lock.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	set->update_nr_hwq_lock.first_waiter->type	0-1
PARAM_VALUE	0	set->update_nr_hwq_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	set->update_nr_hwq_lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	set->update_nr_hwq_lock.wait_lock.owner	(-1)
PARAM_VALUE	0	set->update_nr_hwq_lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	set->update_nr_hwq_lock.wait_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	1	hctx_idx	0-2147483646
CAPPED_DATA	0	set	1
CAPPED_DATA	0	set->nr_hw_queues	1
CAPPED_DATA	1	hctx_idx	1
DATA_SOURCE	0	set	$0
PARAM_COMPARE	1	hctx_idx	>= $0->nr_hw_queues
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	set->cmd_size	0-u32max
HOST_DATA	0	set->flags	0-u32max
HOST_DATA	0	set->nr_hw_queues	0-2147483646[c]
HOST_DATA	0	set->nr_maps	0,2-u32max
HOST_DATA	0	set->numa_node	s32min-s32max
HOST_DATA	0	set->queue_depth	0-u32max
HOST_DATA	0	set->reserved_tags	0-u32max
HOST_DATA	0	set->tags_srcu.srcu_reader_flavor	0-255
HOST_DATA	0	set->timeout	0-u32max
HOST_DATA	0	set->update_nr_hwq_lock.osq.tail.counter	0-s32max
HOST_DATA	1	hctx_idx	1-2147483646[c]
HOST_DATA	2	depth	0-u32max
NO_OVERFLOW_SIMPLE	0	set->queue_depth
NO_OVERFLOW_SIMPLE	1	hctx_idx
NO_OVERFLOW_SIMPLE	2	depth
UNITS	1	hctx_idx	unit_array_size
UNITS	2	depth	unit_array_size
LOCK2	0	&set->tag_list_lock
LOCK2	0	&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_alloc_sched_tags() -> blk_mq_alloc_map_and_rqs()

Type	Parameter	Key	Value
PARAM_VALUE	0	set	4096-ptr_max
PARAM_VALUE	0	set->flags	8-u32max
PARAM_VALUE	1	hctx_idx	u32max
PARAM_VALUE	2	depth	2048
DATA_SOURCE	0	set	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&of->mutex
HALF_LOCKED2	0	&set->update_nr_hwq_lock

block/blk-mq-sched.c blk_mq_alloc_sched_tags() -> blk_mq_alloc_map_and_rqs()

Type	Parameter	Key	Value
PARAM_VALUE	0	set	4096-ptr_max
PARAM_VALUE	1	hctx_idx	0-s32max
PARAM_VALUE	2	depth	0-2048
CAPPED_DATA	1	hctx_idx	1
CAPPED_DATA	2	depth	1
DATA_SOURCE	0	set	$0
DATA_SOURCE	2	depth	$2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	hctx_idx
UNITS	1	hctx_idx	unit_array_size
UNITS	2	depth	unit_array_size
HALF_LOCKED2		&of->mutex
HALF_LOCKED2	0	&set->update_nr_hwq_lock