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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/md/dm-snap-persistent.c area_io() -> chunk_io()

Type Parameter Key Value
PARAM_VALUE 0 ps 4096-ptr_max
PARAM_VALUE 3 opf 0,393217,395265
PARAM_VALUE 4 metadata 0
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps 8,104
BUF_SIZE 1 area 512-s32max
DATA_SOURCE 0 ps $0
DATA_SOURCE 2 chunk r area_location
DATA_SOURCE 3 opf $1
HARD_MAX 3 opf 395265
HALF_LOCKED2 &pool->lock

drivers/md/dm-snap-persistent.c read_header() -> chunk_io()

Type Parameter Key Value
PARAM_VALUE 0 ps 4096-ptr_max
PARAM_VALUE 0 ps->area 1-u64max
PARAM_VALUE 0 ps->header_area 1-u64max
PARAM_VALUE 0 ps->io_client 4096-ptr_max
PARAM_VALUE 0 ps->io_client->bios.back_pad 0,64
PARAM_VALUE 0 ps->io_client->bios.bio_pool.alloc 7276475779886346240
PARAM_VALUE 0 ps->io_client->bios.bio_pool.curr_nr 1-s32max
PARAM_VALUE 0 ps->io_client->bios.bio_pool.free 8263660038527102976
PARAM_VALUE 0 ps->io_client->bios.bio_pool.min_nr 1-1024
PARAM_VALUE 0 ps->io_client->bios.bvec_pool.alloc 7276475779886346240
PARAM_VALUE 0 ps->io_client->bios.bvec_pool.curr_nr 1-s32max
PARAM_VALUE 0 ps->io_client->bios.bvec_pool.free 8263660038527102976
PARAM_VALUE 0 ps->io_client->bios.front_pad 0
PARAM_VALUE 0 ps->io_client->bios.rescue_list.head 0
PARAM_VALUE 0 ps->io_client->bios.rescue_list.tail 0
PARAM_VALUE 0 ps->io_client->pool.alloc 7276475779886346240
PARAM_VALUE 0 ps->io_client->pool.curr_nr 1-s32max
PARAM_VALUE 0 ps->io_client->pool.free 8263660038527102976
PARAM_VALUE 0 ps->io_client->pool.min_nr 1-1024
PARAM_VALUE 0 ps->store 4096-ptr_max
PARAM_VALUE 0 ps->store->chunk_size 1-u32max
PARAM_VALUE 0 ps->zero_area 1-u64max
PARAM_VALUE 1 area 1-u64max
PARAM_VALUE 2 chunk 0
PARAM_VALUE 3 opf 0
PARAM_VALUE 4 metadata 1
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps->io_client 824
BUF_SIZE 1 area 512-s32max
CAPPED_DATA 0 ps->area 1
DATA_SOURCE 0 ps $0
HALF_LOCKED2 &md->type_lock

drivers/md/dm-snap-persistent.c write_header() -> chunk_io()

Type Parameter Key Value
PARAM_VALUE 0 ps 4096-ptr_max
PARAM_VALUE 0 ps->header_area 4096-ptr_max
PARAM_VALUE 0 ps->store 4096-ptr_max
PARAM_VALUE 1 area 4096-ptr_max
PARAM_VALUE 2 chunk 0
PARAM_VALUE 3 opf 1
PARAM_VALUE 4 metadata 1
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps->callbacks (-1)-0,512-s32max
BUF_SIZE 1 area 512-s32max
DATA_SOURCE 0 ps $0
MEM_ZERO 0 ps->header_area
MEM_ZERO 1 area
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 ps->exceptions_per_area
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.bio_pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.bvec_pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.rescue_workqueue->rescuer->task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 ps->io_client->pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->store->chunk_size
HALF_LOCKED2 &s->lock

drivers/md/dm-snap-persistent.c zero_disk_area() -> chunk_io()

Type Parameter Key Value
PARAM_VALUE 0 ps 4096-ptr_max
PARAM_VALUE 3 opf 1
PARAM_VALUE 4 metadata 0
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps 8,104
BUF_SIZE 0 ps->callbacks (-1)-0,512-s32max
BUF_SIZE 1 area 512-s32max
CAPPED_DATA 0 ps->exceptions_per_area 1
DATA_SOURCE 0 ps $0
NO_OVERFLOW_SIMPLE 0 ps->exceptions_per_area
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.bio_pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.bvec_pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->io_client->bios.rescue_workqueue->rescuer->task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 ps->io_client->pool.min_nr
NO_OVERFLOW_SIMPLE 0 ps->store->chunk_size
HALF_LOCKED2 &pool->lock