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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

block/blk-merge.c attempt_merge() -> elv_merge_requests()

Type Parameter Key Value
PARAM_VALUE 0 q 4096-ptr_max
PARAM_VALUE 0 q->dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 0 q->elevator 4096-ptr_max
PARAM_VALUE 0 q->elevator->type->ops.bio_merge 2304830088731234304,5646488304077615104,9189069628194533376
PARAM_VALUE 0 q->elevator->type->ops.former_request 0,5856141775481593856
PARAM_VALUE 0 q->elevator->type->ops.next_request 0,4438127082229379072
PARAM_VALUE 0 q->elevator->type->ops.request_merge 0,7262173414340157440,9035274964479934464
PARAM_VALUE 1 rq 4096-ptr_max
PARAM_VALUE 1 rq->bio 4096-ptr_max
PARAM_VALUE 2 next 4096-ptr_max
PARAM_VALUE 2 next->bio 4096-ptr_max
CAPPED_DATA 1 rq 1
CAPPED_DATA 1 rq->start_time_ns 1
CAPPED_DATA 2 next 1
DATA_SOURCE 0 q $0
DATA_SOURCE 1 rq $1
DATA_SOURCE 2 next $2
NOSPEC 1 rq->biotail->bi_next->bi_iter.bi_sector
NOSPEC 1 rq->biotail->bi_next->bi_iter.bi_size
NOSPEC 2 next->__sector
NOSPEC 2 next->bio->bi_iter.bi_sector
NOSPEC 2 next->bio->bi_iter.bi_size
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 q->last_merge->__data_len 1024-4294966272[c]
HOST_DATA 0 q->last_merge->__sector 0-s32max[c]
HOST_DATA 1 rq->__data_len 0-u32max[c]
HOST_DATA 1 rq->__sector 0-u64max
HOST_DATA 1 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 1 rq->biotail->bi_next->bi_iter.bi_size 1-u32max[c]
HOST_DATA 1 rq->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 2 next->__data_len 1024-4294966272[c]
HOST_DATA 2 next->__sector 0-u64max
HOST_DATA 2 next->bio->bi_iter.bi_sector 0-u64max
HOST_DATA 2 next->bio->bi_iter.bi_size 1-u32max[c]
HOST_DATA 2 next->bio->bi_max_vecs 0-4,16,64,128,256[c]
USER_DATA 1 rq->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 1 rq->biotail->bi_next->bi_iter.bi_size 1-u32max[c]
USER_DATA 1 rq->biotail->bi_next->bi_max_vecs 0-u16max[c]
USER_DATA 2 next->__sector 0-u64max
USER_DATA 2 next->bio->bi_iter.bi_sector 0-u64max
USER_DATA 2 next->bio->bi_iter.bi_size 1-u32max[c]
USER_DATA 2 next->bio->bi_max_vecs 0-u16max[c]
UNITS 1 rq unit_byte
UNITS 2 next unit_byte
HALF_LOCKED2 &bfqd->lock
HALF_LOCKED2 &dd->lock
HALF_LOCKED2 irq