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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

block/blk-merge.c bio_attempt_discard_merge() -> blk_rq_get_max_sectors()

Type Parameter Key Value
PARAM_VALUE 0 rq 4096-ptr_max
DATA_SOURCE 0 rq $1
NOSPEC 0 rq->bio->bi_iter.bi_sector
NOSPEC 0 rq->bio->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_size
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 rq->__data_len 0,512-4294966784[c]
HOST_DATA 0 rq->__sector 0-u64max
HOST_DATA 0 rq->bio->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->bio->bi_iter.bi_size 512-4294966784[c]
HOST_DATA 0 rq->bio->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_size 0,512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0,512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 1 offset 0-u64max
USER_DATA 0 rq->bio->bi_ioprio 0-u16max[c]
USER_DATA 0 rq->bio->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->bio->bi_iter.bi_size 1-u32max[c]
USER_DATA 0 rq->bio->bi_max_vecs 0-u16max[c]
USER_DATA 0 rq->biotail->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_max_vecs 0-u16max[c]
USER_DATA 0 rq->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-u16max[c]
UNITS 0 rq unit_byte
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

block/blk-merge.c ll_back_merge_fn() -> blk_rq_get_max_sectors()

Type Parameter Key Value
PARAM_VALUE 0 rq 4096-ptr_max
BUF_SIZE 0 rq->end_io_data (-1),5504
CAPPED_DATA 0 rq 1
CAPPED_DATA 0 rq->biotail->bi_iter.bi_size 1
DATA_SOURCE 0 rq $0
NOSPEC 0 rq->__data_len
NOSPEC 0 rq->__sector
NOSPEC 0 rq->biotail->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_size
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 rq->__data_len 0-u32max[c]
HOST_DATA 0 rq->__sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_size 1-u32max[c]
HOST_DATA 0 rq->biotail->bi_max_vecs 0-u16max[c]
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max[c]
HOST_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 1 offset 0-u64max
USER_DATA 0 rq->__data_len 0-u32max
USER_DATA 0 rq->__sector 0-u64max
USER_DATA 0 rq->bio->bi_ioprio 0-u16max[c]
USER_DATA 0 rq->bio->bi_max_vecs 0-1024[c]
USER_DATA 0 rq->biotail->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_iter.bi_size 1-u32max[c]
USER_DATA 0 rq->biotail->bi_max_vecs 0-u16max[c]
USER_DATA 0 rq->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-u16max[c]
USER_DATA 1 offset 0-u64max
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->async_depth
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.io_min
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.logical_block_size
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.physical_block_size
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->nr_requests
NO_OVERFLOW_SIMPLE 0 rq->elv.icq->q->q_usage_counter.percpu_count_ptr
NO_OVERFLOW_SIMPLE 0 rq->q->async_depth
NO_OVERFLOW_SIMPLE 0 rq->q->limits.discard_granularity
NO_OVERFLOW_SIMPLE 0 rq->q->limits.max_discard_sectors
NO_OVERFLOW_SIMPLE 0 rq->q->limits.max_hw_discard_sectors
NO_OVERFLOW_SIMPLE 0 rq->q->limits.max_open_zones
NO_OVERFLOW_SIMPLE 0 rq->q->limits.zone_write_granularity
NO_OVERFLOW_SIMPLE 0 rq->q->nr_hw_queues
NO_OVERFLOW_SIMPLE 0 rq->q->nr_requests
NO_OVERFLOW_SIMPLE 0 rq->q->q_usage_counter.percpu_count_ptr
UNITS 0 rq unit_byte

block/blk-merge.c ll_front_merge_fn() -> blk_rq_get_max_sectors()

Type Parameter Key Value
PARAM_VALUE 0 rq 4096-ptr_max
PARAM_VALUE 0 rq->q 4096-ptr_max
DATA_SOURCE 0 rq $0
BIT_INFO 0 rq->rq_flags 0x0,0xffffdfff
NOSPEC 0 rq->biotail->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_size
NOSPEC 1 offset
NOSPEC 1 offset
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 rq->__data_len 1024-4294966272[c]
HOST_DATA 0 rq->__sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_size 1024-4294966272[c]
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 1024-4294966272[c]
HOST_DATA 1 offset 0-u64max
USER_DATA 0 rq->bio->bi_ioprio 0-u16max[c]
USER_DATA 0 rq->bio->bi_max_vecs 0-1024[c]
USER_DATA 0 rq->biotail->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_max_vecs 0-1024[c]
USER_DATA 0 rq->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-1024[c]
USER_DATA 1 offset 0-u64max
UNITS 0 rq unit_byte
UNITS 1 offset unit_byte
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

block/blk-merge.c ll_merge_requests_fn() -> blk_rq_get_max_sectors()

Type Parameter Key Value
PARAM_VALUE 0 rq 4096-ptr_max
CAPPED_DATA 0 rq->bio->bi_ioprio 1
CAPPED_DATA 0 rq->bio->bi_write_hint 1
CAPPED_DATA 0 rq->bio->bi_write_stream 1
CAPPED_DATA 0 rq->biotail->bi_iter.bi_size 1
DATA_SOURCE 0 rq $1
NOSPEC 0 rq->biotail->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_size
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 rq->__data_len 0,512-4294966784[c]
HOST_DATA 0 rq->__sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_size 512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0,512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 1 offset 0-u64max
USER_DATA 0 rq->biotail->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_iter.bi_size 1-u32max[c]
USER_DATA 0 rq->biotail->bi_max_vecs 0-u16max[c]
USER_DATA 0 rq->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-u16max[c]
UNITS 0 rq unit_byte
HALF_LOCKED2 &bfqd->lock
HALF_LOCKED2 &dd->lock
HALF_LOCKED2 irq

block/blk-merge.c req_attempt_discard_merge() -> blk_rq_get_max_sectors()

Type Parameter Key Value
PARAM_VALUE 0 rq 4096-ptr_max
CAPPED_DATA 0 rq->bio->bi_ioprio 1
CAPPED_DATA 0 rq->bio->bi_write_hint 1
CAPPED_DATA 0 rq->bio->bi_write_stream 1
DATA_SOURCE 0 rq $1
NOSPEC 0 rq->biotail->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_iter.bi_size
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 rq->biotail->bi_next->bi_iter.bi_size
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 rq->__data_len 0,512-4294966784[c]
HOST_DATA 0 rq->__sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_iter.bi_size 512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0,512-4294966784[c]
HOST_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 1 offset 0-u64max
USER_DATA 0 rq->biotail->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_iter.bi_size 1-u32max
USER_DATA 0 rq->biotail->bi_max_vecs 0-u16max[c]
USER_DATA 0 rq->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 rq->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 rq->biotail->bi_next->bi_max_vecs 0-u16max[c]
UNITS 0 rq unit_byte
HALF_LOCKED2 &bfqd->lock
HALF_LOCKED2 &dd->lock
HALF_LOCKED2 irq