Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 6 files:
- drivers/md/dm-cache-metadata.c, line 249
- drivers/md/dm-clone-metadata.c, line 282
- drivers/md/dm-era-target.c, line 321
- drivers/md/dm-thin-metadata.c, line 444
- drivers/md/persistent-data/dm-block-manager.c, line 600
- drivers/md/persistent-data/dm-transaction-manager.c
Smatch caller information:
drivers/md/dm-thin-metadata.c superblock_lock_zero() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bm | 4096-ptr_max |
| PARAM_VALUE | 0 | bm->bufio->alloc_callback | 7983582773032648704 |
| PARAM_VALUE | 0 | bm->bufio->block_size | 4096 |
| PARAM_VALUE | 0 | bm->bufio->cache.num_locks | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->client_list.prev | 1125018479386435584 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bio_pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bvec_pool.min_nr | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.cache | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.alloc | 7276475779886346240 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.elements | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.free | 8263660038527102976 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->lock->first_waiter->task->blocked_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | bm->bufio->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->list.prev->prev | 5159360019465732096 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.owner | (-1) |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.owner_cpu | 4294967295 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.raw_lock.val.counter | s32min-s32max |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->usage.refs.counter | s32min-s32max |
| PARAM_VALUE | 0 | bm->bufio->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->minimum_buffers | 8 |
| PARAM_VALUE | 0 | bm->bufio->need_reserved_buffers | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->count_objects | 4711151730790653952 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->debugfs_id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.magic | 3735899821 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner | (-1) |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner_cpu | 4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->flags | 3,7,11,15,19 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.next | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.prev | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->refcount.refs.counter | 1 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->scan_objects | 1868011952741695488 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->seeks | 1 |
| PARAM_VALUE | 0 | bm->bufio->write_callback | 1746397819563298816 |
| PARAM_VALUE | 0 | bm->read_only | 0 |
| PARAM_VALUE | 1 | b | 0 |
| PARAM_VALUE | 2 | v | 3847297590590435328 |
| PARAM_VALUE | 3 | result | 8921471350968246272 |
| BUF_SIZE | 0 | bm | 16 |
| BUF_SIZE | 0 | bm | 16 |
| DATA_SOURCE | 3 | result | $1 |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_cache->object_size | |
| LOCK2 | global &dm_thin_pool_table.mutex | ||
| HALF_LOCKED2 | &md->type_lock | ||
| TYPE_LOCK | (struct dm_thin_pool_table)->mutex |
drivers/md/dm-era-target.c superblock_lock_zero() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bm | 4096-ptr_max |
| PARAM_VALUE | 0 | bm->bufio->alloc_callback | 7983582773032648704 |
| PARAM_VALUE | 0 | bm->bufio->block_size | 4096 |
| PARAM_VALUE | 0 | bm->bufio->cache.num_locks | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->client_list.prev | 1125018479386435584 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bio_pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bvec_pool.min_nr | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.cache | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.alloc | 7276475779886346240 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.elements | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.free | 8263660038527102976 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->lock->first_waiter->task->blocked_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | bm->bufio->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->minimum_buffers | 8 |
| PARAM_VALUE | 0 | bm->bufio->need_reserved_buffers | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->count_objects | 4711151730790653952 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->debugfs_id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.magic | 3735899821 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner | (-1) |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner_cpu | 4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->flags | 3,7,11,15,19 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.next | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.prev | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->refcount.refs.counter | 1 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->scan_objects | 1868011952741695488 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->seeks | 1 |
| PARAM_VALUE | 0 | bm->bufio->write_callback | 1746397819563298816 |
| PARAM_VALUE | 0 | bm->read_only | 0 |
| PARAM_VALUE | 1 | b | 0 |
| PARAM_VALUE | 2 | v | 8435209014162055168 |
| PARAM_VALUE | 3 | result | 538490764843786240 |
| BUF_SIZE | 0 | bm | 16 |
| BUF_SIZE | 0 | bm | 16 |
| DATA_SOURCE | 3 | result | $1 |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_cache->object_size | |
| HALF_LOCKED2 | &md->type_lock |
drivers/md/persistent-data/dm-transaction-manager.c __shadow_block() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bm | 4096-ptr_max |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_on | (-1)-0 |
| PARAM_VALUE | 0 | bm->bufio->spinlock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 2 | v | 1298142665579040768,3847297590590435328,4440803228264046592,6408893679208828928,7847992674347552768,8435209014162055168 |
| PARAM_VALUE | 3 | result | 4096-ptr_max |
| CAPPED_DATA | 2 | v | 1 |
| DATA_SOURCE | 2 | v | $2 |
| DATA_SOURCE | 3 | result | $3 |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->block_size | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_cache->sheaf_capacity | |
| HALF_LOCKED2 | &md->io_barrier | ||
| HALF_LOCKED2 | &pmd->root_lock | ||
| HALF_LOCKED2 | &pool->lock |
drivers/md/persistent-data/dm-transaction-manager.c dm_tm_new_block() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | v | 1298142665579040768,4440803228264046592,6408893679208828928,7847992674347552768 |
| PARAM_VALUE | 3 | result | 4096-ptr_max |
| DATA_SOURCE | 2 | v | $1 |
| DATA_SOURCE | 3 | result | $2 |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->block_size | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_buffer->object_size |
drivers/md/dm-cache-metadata.c superblock_lock_zero() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bm | 4096-ptr_max |
| PARAM_VALUE | 0 | bm->bufio->alloc_callback | 7983582773032648704 |
| PARAM_VALUE | 0 | bm->bufio->block_size | 4096 |
| PARAM_VALUE | 0 | bm->bufio->cache.num_locks | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->client_list.prev | 1125018479386435584 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bio_pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.bvec_pool.min_nr | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->bios.cache | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.alloc | 7276475779886346240 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.elements | 0 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.free | 8263660038527102976 |
| PARAM_VALUE | 0 | bm->bufio->dm_io->pool.min_nr | 1-1024 |
| PARAM_VALUE | 0 | bm->bufio->lock->first_waiter->task->blocked_lock.owner | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | bm->bufio->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->list.prev->prev | 5159360019465732096 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.owner | (-1) |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.owner_cpu | 4294967295 |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->blocked_lock.raw_lock.val.counter | s32min-s32max |
| PARAM_VALUE | 0 | bm->bufio->lock.first_waiter->task->usage.refs.counter | s32min-s32max |
| PARAM_VALUE | 0 | bm->bufio->lock.osq.tail.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->lock.owner.counter | 0 |
| PARAM_VALUE | 0 | bm->bufio->minimum_buffers | 8 |
| PARAM_VALUE | 0 | bm->bufio->need_reserved_buffers | 0-4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->count_objects | 4711151730790653952 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->debugfs_id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.magic | 3735899821 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner | (-1) |
| PARAM_VALUE | 0 | bm->bufio->shrinker->done.wait.lock.owner_cpu | 4294967295 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->flags | 3,7,11,15,19 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->id | 0-s32max |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.next | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->list.prev | 0,4581490576307081216 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->refcount.refs.counter | 1 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->scan_objects | 1868011952741695488 |
| PARAM_VALUE | 0 | bm->bufio->shrinker->seeks | 1 |
| PARAM_VALUE | 0 | bm->bufio->write_callback | 1746397819563298816 |
| PARAM_VALUE | 0 | bm->read_only | 0 |
| PARAM_VALUE | 1 | b | 0 |
| PARAM_VALUE | 2 | v | 6702332378605551616 |
| PARAM_VALUE | 3 | result | 3804489343516327936 |
| BUF_SIZE | 0 | bm | 16 |
| BUF_SIZE | 0 | bm | 16 |
| DATA_SOURCE | 3 | result | $1 |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| BIT_INFO | 0 | bm | 0xffffffe0,0xffffffffffffffff |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_cache->object_size | |
| HALF_LOCKED2 | &md->type_lock |
drivers/md/dm-clone-metadata.c superblock_write_lock_zero() -> dm_bm_write_lock_zero()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bm | 4096-ptr_max |
| PARAM_VALUE | 0 | bm->read_only | 0 |
| PARAM_VALUE | 1 | b | 0 |
| PARAM_VALUE | 2 | v | 3968669814705848320 |
| PARAM_VALUE | 3 | result | 244420671752310784,1896318965098110976 |
| BUF_SIZE | 0 | bm | (-1),16 |
| BUF_SIZE | 0 | bm | (-1),16 |
| DATA_SOURCE | 3 | result | $1 |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->bios.bio_pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->bios.bvec_pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->dm_io->pool.min_nr | |
| NO_OVERFLOW_SIMPLE | 0 | bm->bufio->slab_buffer->object_size | |
| HALF_LOCKED2 | &clone->commit_lock | ||
| HALF_LOCKED2 | &cmd->lock |