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Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

fs/iomap/ioend.c iomap_split_ioend() -> bio_split_rw_at()

Type Parameter Key Value
PARAM_VALUE 0 bio 4096-ptr_max
PARAM_VALUE 0 bio->bi_bdev 4096-ptr_max
PARAM_VALUE 1 lim 4096-ptr_max
PARAM_VALUE 2 segs 3063532155431526400
PARAM_VALUE 3 max_bytes 0-4294966784
BUF_SIZE 0 bio 144
BUF_SIZE 1 lim 200
CAPPED_DATA 3 max_bytes 1
DATA_SOURCE 1 lim r bdev_limits
DATA_SOURCE 3 max_bytes $1 [m]
RX_PATH
TASK_NOT_RUNNING

fs/xfs/xfs_zone_gc.c xfs_zone_gc_split_write() -> bio_split_rw_at()

Type Parameter Key Value
PARAM_VALUE 0 bio 4096-ptr_max
PARAM_VALUE 0 bio->__bi_remaining.counter 1
PARAM_VALUE 0 bio->bi_bdev 4096-ptr_max
PARAM_VALUE 0 bio->bi_blkg 0
PARAM_VALUE 0 bio->bi_crypt_context 0
PARAM_VALUE 0 bio->bi_flags 0
PARAM_VALUE 0 bio->bi_io_vec 0
PARAM_VALUE 0 bio->bi_next 0
PARAM_VALUE 0 bio->bi_pool 0
PARAM_VALUE 0 bio->bi_vcnt 0
PARAM_VALUE 1 lim 4096-ptr_max
PARAM_VALUE 2 segs 102324873099382784
PARAM_VALUE 3 max_bytes 0,512-4294966784
BUF_SIZE 1 lim 200
BIT_INFO 3 max_bytes 0x0,0xfffffe00
MEM_ZERO 0 bio

block/blk-merge.c bio_split_rw() -> bio_split_rw_at()

Type Parameter Key Value
PARAM_VALUE 0 bio 4096-ptr_max
PARAM_VALUE 0 bio->bi_bdev 4096-ptr_max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->zone_wplugs_worker->delays->blkio_count 0-4294967295
PARAM_VALUE 0 bio->bi_bdev->bd_disk->zone_wplugs_worker->sched_task_group->idle s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->stats->accounting s32min-s32max
PARAM_VALUE 1 lim 4096-ptr_max
PARAM_VALUE 2 segs 6591904817128566784,8789788453784346624
PARAM_VALUE 3 max_bytes 0,512-4294966784
BUF_SIZE 0 bio (-1)-0,4,24,32,64,144-s32max
BUF_SIZE 0 bio (-1)-0,4,24,32,64,144-s32max
BUF_SIZE 0 bio->bi_pool (-1),624
BUF_SIZE 0 bio->bi_private (-1)-s32max
CAPPED_DATA 3 max_bytes 1
DATA_SOURCE 0 bio $0
DATA_SOURCE 1 lim $1
DATA_SOURCE 2 segs $2
STR_LEN 0 bio->bi_private (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
BIT_INFO 3 max_bytes 0x0,0xfffffe00
NOSPEC 0 bio->bi_iter.bi_sector
NOSPEC 0 bio->bi_iter.bi_size
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 bio->bi_bdev->bd_queue->last_merge->__sector 0-u64max
HOST_DATA 0 bio->bi_iter.bi_sector 0-u64max
HOST_DATA 0 bio->bi_iter.bi_size 0-u32max[c]
HOST_DATA 0 bio->bi_max_vecs 0-u16max[c]
HOST_DATA 3 max_bytes 0,512-4294966784[c]
USER_DATA 0 bio->bi_ioprio 0-u16max
USER_DATA 0 bio->bi_iter.bi_sector 0-u64max
USER_DATA 0 bio->bi_iter.bi_size 0-u32max
USER_DATA 0 bio->bi_max_vecs 0-u16max[c]
USER_DATA 0 bio->bi_next->bi_ioprio 0-u16max[c]
USER_DATA 0 bio->bi_next->bi_max_vecs 0-256[c]
USER_DATA 3 max_bytes 0,512-4294966784[c]
NO_OVERFLOW_SIMPLE 0 bio->bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE 0 bio->bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE 0 bio->bi_next->bi_iter.bi_sector
NO_OVERFLOW_SIMPLE 0 bio->bi_next->bi_max_vecs
NO_OVERFLOW_SIMPLE 0 bio->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE 0 bio->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_max_vecs
UNITS 0 bio unit_jiffy
HALF_LOCKED2 0 &bio->bi_bdev->bd_queue->queue_lock

block/blk-merge.c bio_split_zone_append() -> bio_split_rw_at()

Type Parameter Key Value
PARAM_VALUE 0 bio 4096-ptr_max
PARAM_VALUE 0 bio->bi_bdev 4096-ptr_max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->queue->mq_kobj->release.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_disk->zone_wplugs_worker->delays->blkio_count 0-4294967295
PARAM_VALUE 0 bio->bi_bdev->bd_disk->zone_wplugs_worker->sched_task_group->idle s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->mq_kobj->release.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 bio->bi_bdev->bd_queue->stats->accounting s32min-s32max
PARAM_VALUE 1 lim 4096-ptr_max
PARAM_VALUE 2 segs 6591904817128566784,8789788453784346624
PARAM_VALUE 3 max_bytes 0,512-4294966784
BUF_SIZE 0 bio (-1)-0,4,24,32,64,144-s32max
BUF_SIZE 0 bio (-1)-0,4,24,32,64,144-s32max
BUF_SIZE 0 bio->bi_pool (-1),624
BUF_SIZE 0 bio->bi_private (-1)-s32max
DATA_SOURCE 0 bio $0
DATA_SOURCE 1 lim $1
DATA_SOURCE 2 segs $2
STR_LEN 0 bio->bi_private (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
BIT_INFO 3 max_bytes 0x0,0xfffffe00
NOSPEC 0 bio->bi_iter.bi_sector
NOSPEC 0 bio->bi_iter.bi_size
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 bio->bi_bdev->bd_queue->last_merge->__sector 0-u64max
HOST_DATA 0 bio->bi_iter.bi_sector 0-u64max
HOST_DATA 0 bio->bi_iter.bi_size 0-u32max[c]
HOST_DATA 0 bio->bi_max_vecs 0-u16max[c]
USER_DATA 0 bio->bi_ioprio 0-u16max
USER_DATA 0 bio->bi_iter.bi_sector 0-u64max
USER_DATA 0 bio->bi_iter.bi_size 0-u32max
USER_DATA 0 bio->bi_max_vecs 0-u16max[c]
USER_DATA 0 bio->bi_next->bi_ioprio 0-u16max[c]
USER_DATA 0 bio->bi_next->bi_max_vecs 0-256[c]
NO_OVERFLOW_SIMPLE 0 bio->bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE 0 bio->bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE 0 bio->bi_io_vec
NO_OVERFLOW_SIMPLE 0 bio->bi_next->bi_iter.bi_sector
NO_OVERFLOW_SIMPLE 0 bio->bi_next->bi_max_vecs
NO_OVERFLOW_SIMPLE 0 bio->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE 0 bio->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE 0 bio->bio.bi_max_vecs
UNITS 0 bio unit_jiffy
HALF_LOCKED2 0 &bio->bi_bdev->bd_queue->queue_lock

fs/btrfs/bio.c btrfs_append_map_length() -> bio_split_rw_at()

Type Parameter Key Value
PARAM_VALUE 0 bio 4096-ptr_max
PARAM_VALUE 0 bio->bi_iter.bi_size 1-u32max
PARAM_VALUE 1 lim 4096-ptr_max
PARAM_VALUE 2 segs 604575511126589440
CAPPED_DATA 3 max_bytes 1
DATA_SOURCE 3 max_bytes $1 [m]
RX_PATH
TASK_NOT_RUNNING
UNITS 3 max_bytes unit_byte
HALF_LOCKED2 &pool->lock