nullb_setup_bwtimer identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/block/null_blk/main.c, line 1484 (as a function)

Referenced in 1 files:

drivers/block/null_blk/main.c, line 2017

Smatch caller information:

drivers/block/null_blk/main.c null_add_dev() -> nullb_setup_bwtimer()

Type	Parameter	Key	Value
PARAM_VALUE	0	nullb	4096-ptr_max
PARAM_VALUE	0	nullb->dev	4096-ptr_max
PARAM_VALUE	0	nullb->dev->blocking	1
PARAM_VALUE	0	nullb->dev->cache_size	0
PARAM_VALUE	0	nullb->dev->irqmode	0-2
PARAM_VALUE	0	nullb->dev->mbps	1-40960
PARAM_VALUE	0	nullb->dev->queue_mode	2-u32max
PARAM_VALUE	0	nullb->disk	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bdi	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bdi->capabilities	1
PARAM_VALUE	0	nullb->disk->bdi->cgwb_release_mutex.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->bdi->cgwb_tree.xa_flags	2080
PARAM_VALUE	0	nullb->disk->bdi->io_pages	32
PARAM_VALUE	0	nullb->disk->bdi->max_prop_frac	1024
PARAM_VALUE	0	nullb->disk->bdi->max_ratio	1000000
PARAM_VALUE	0	nullb->disk->bdi->ra_pages	32
PARAM_VALUE	0	nullb->disk->bdi->refcnt.refcount.refs.counter	1
PARAM_VALUE	0	nullb->disk->bdi->wb.avg_write_bandwidth	25600
PARAM_VALUE	0	nullb->disk->bdi->wb.balanced_dirty_ratelimit	25600
PARAM_VALUE	0	nullb->disk->bdi->wb.completions.lock.magic	3735899821
PARAM_VALUE	0	nullb->disk->bdi->wb.completions.lock.owner	(-1)
PARAM_VALUE	0	nullb->disk->bdi->wb.completions.lock.owner_cpu	4294967295
PARAM_VALUE	0	nullb->disk->bdi->wb.dirty_ratelimit	25600
PARAM_VALUE	0	nullb->disk->bdi->wb.write_bandwidth	25600
PARAM_VALUE	0	nullb->disk->bdi->wb_switch_rwsem.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->bio_split.back_pad	0,64
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.alloc	7276475779886346240
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.curr_nr	1-s32max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.elements	1-u64max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.free	8263660038527102976
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.min_nr	2
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.pool_data	1-u64max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.wait.head.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.wait.head.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.wait.head.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bio_pool.wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bio_slab	1-u64max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.alloc	7276475779886346240
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.curr_nr	1-s32max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.elements	1-u64max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.free	8263660038527102976
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.wait.head.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.wait.head.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.wait.head.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.wait.head.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.bvec_pool.wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.cache	0,4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.cpuhp_dead->pprev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.cpuhp_dead.pprev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->bio_split.front_pad	0
PARAM_VALUE	0	nullb->disk->bio_split.rescue_list.head	0
PARAM_VALUE	0	nullb->disk->bio_split.rescue_list.tail	0
PARAM_VALUE	0	nullb->disk->bio_split.rescue_workqueue	0,4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_list.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_list.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_list.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_list.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->error_injection_lock.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->error_injection_lock.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->lockdep_map.cpu	0
PARAM_VALUE	0	nullb->disk->lockdep_map.lock_type	0
PARAM_VALUE	0	nullb->disk->open_mutex.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->open_mutex.first_waiter	0
PARAM_VALUE	0	nullb->disk->open_mutex.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->open_mutex.owner.counter	0
PARAM_VALUE	0	nullb->disk->part0	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.devres_head.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.devres_head.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_mem	1473117533515866112
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_mem->dyn_alloc.data.counter	9007199250546704
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_mem->dyn_alloc.entry.prev	1473117533515866344
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_mem->dyn_alloc.func	1583282886040592384
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_mem->pools.prev	1473117533515866320
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_pools.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_pools.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_pools.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.flags	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.kobj.kref.refcount.refs.counter	1
PARAM_VALUE	0	nullb->disk->part0->bd_device.kobj.ktype	5399513539053756416
PARAM_VALUE	0	nullb->disk->part0->bd_device.kobj.state_initialized	1
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.consumers.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.consumers.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.defer_sync.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.defer_sync.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.suppliers.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.suppliers.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.numa_node	(-1)
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.disable_depth	1
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.early_init	1
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.entry.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.entry.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.last_status	(-1)
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.runtime_auto	1
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.runtime_status	2
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.wait_queue.head.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.wait_queue.head.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_device.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_disk	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_fsfreeze_mutex.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->part0->bd_fsfreeze_mutex.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_holder_lock.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->part0->bd_holder_lock.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_mapping	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_mapping->a_ops	5931361204064923648
PARAM_VALUE	0	nullb->disk->part0->bd_mapping->gfp_mask	1051840
PARAM_VALUE	0	nullb->disk->part0->bd_mapping->host	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_mapping->invalidate_lock.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_queue	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part0->bd_stats	4096-ptr_max
PARAM_VALUE	0	nullb->disk->part_tbl.xa_flags	0
PARAM_VALUE	0	nullb->disk->part_tbl.xa_head	0
PARAM_VALUE	0	nullb->disk->part_tbl.xa_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->queue	4096-ptr_max
PARAM_VALUE	0	nullb->disk->queue->blkg_list.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->queue->blkg_list.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->queue->blkg_list.next->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->queue->queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->queue->root_blkg	4096-ptr_max
PARAM_VALUE	0	nullb->disk->queue->root_blkg->online	1
PARAM_VALUE	0	nullb->disk->queue->root_blkg->refcnt.percpu_count_ptr	4096-s64max
PARAM_VALUE	0	nullb->disk->queue_kobj.kref.refcount.refs.counter	1
PARAM_VALUE	0	nullb->disk->queue_kobj.ktype	8941777688397746176
PARAM_VALUE	0	nullb->disk->queue_kobj.state_in_sysfs	0
PARAM_VALUE	0	nullb->disk->queue_kobj.state_initialized	1
PARAM_VALUE	0	nullb->disk->random	4096-ptr_max
PARAM_VALUE	0	nullb->disk->random->last_time	4294892296
PARAM_VALUE	0	nullb->disk->rqos_state_mutex.dep_map->name	0-255
PARAM_VALUE	0	nullb->disk->rqos_state_mutex.magic	4096-ptr_max
PARAM_VALUE	0	nullb->disk->slave_bdevs.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->slave_bdevs.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->slave_bdevs.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->slave_bdevs.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->slave_bdevs.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_list.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_list.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_list.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_list.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.lock.magic	3735899821
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.lock.owner	(-1)
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.lock.owner_cpu	u32max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.task_list.next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.task_list.next->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.task_list.prev	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->disk->zone_wplugs_worker_bio_done.wait.task_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	nullb->q	4096-ptr_max
PARAM_VALUE	0	nullb->q->blkg_list.next	4096-ptr_max
PARAM_VALUE	0	nullb->q->root_blkg	4096-ptr_max
PARAM_VALUE	0	nullb->queues	16,4096-ptr_max
PARAM_VALUE	0	nullb->tag_set	4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->cmd_size	0,96
PARAM_VALUE	0	nullb->tag_set->driver_data	0,4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->nr_maps	0-1,3
PARAM_VALUE	0	nullb->tag_set->ops	0,3402364176816754688
PARAM_VALUE	0	nullb->tag_set->srcu	0,4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->tag_list.prev	4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->tag_list.prev->next	4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.dep_map->name	0-255
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	nullb->tag_set->tag_list_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	nullb->tag_set->tags_srcu.srcu_ctrp	4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->tags_srcu.srcu_sup	4096-ptr_max
PARAM_VALUE	0	nullb->tag_set->tags_srcu.srcu_sup->sda_is_static	1
PARAM_VALUE	0	nullb->tag_set->timeout	0,1250
BUF_SIZE	0	nullb	792
BUF_SIZE	0	nullb->dev	(-1),1776
BUF_SIZE	0	nullb->disk	2000
CAPPED_DATA	0	nullb->disk->part0	1
CAPPED_DATA	0	nullb->tag_set	1
CAPPED_DATA	0	nullb->tag_set->nr_hw_queues	1
DATA_SOURCE	0	nullb	r _kmalloc_node_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	nullb->disk->bio_split.bio_pool.min_nr
NO_OVERFLOW_SIMPLE	0	nullb->disk->bio_split.bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	0	nullb->disk->part0->bd_queue->async_depth
NO_OVERFLOW_SIMPLE	0	nullb->disk->part0->bd_queue->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE	0	nullb->disk->part0->bd_queue->limits.max_open_zones
NO_OVERFLOW_SIMPLE	0	nullb->disk->part0->bd_queue->nr_hw_queues
NO_OVERFLOW_SIMPLE	0	nullb->disk->part0->bd_queue->nr_requests
NO_OVERFLOW_SIMPLE	0	nullb->disk->queue->async_depth
NO_OVERFLOW_SIMPLE	0	nullb->disk->queue->nr_requests
NO_OVERFLOW_SIMPLE	0	nullb->q->async_depth
NO_OVERFLOW_SIMPLE	0	nullb->q->nr_requests
NO_OVERFLOW_SIMPLE	0	nullb->tag_set->shared_tags->bitmap_tags.sb.depth
NO_OVERFLOW_SIMPLE	0	nullb->tag_set->shared_tags->breserved_tags.sb.depth
LOCK2		global &lock
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&frag->frag_sem