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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

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

Type Parameter Key Value
PARAM_VALUE 0 req 4096-ptr_max
PARAM_VALUE 1 next 4096-ptr_max
CAPPED_DATA 0 req 1
CAPPED_DATA 0 req->bio->bi_ioprio 1
CAPPED_DATA 0 req->bio->bi_write_hint 1
CAPPED_DATA 0 req->bio->bi_write_stream 1
CAPPED_DATA 1 next 1
CAPPED_DATA 1 next->bio->bi_ioprio 1
CAPPED_DATA 1 next->bio->bi_write_hint 1
CAPPED_DATA 1 next->bio->bi_write_stream 1
DATA_SOURCE 0 req $1
DATA_SOURCE 1 next $2
PARAM_COMPARE 1 next->bio->bi_ioprio == $0->bio->bi_ioprio
PARAM_COMPARE 1 next->bio->bi_write_hint == $0->bio->bi_write_hint
PARAM_COMPARE 1 next->bio->bi_write_stream == $0->bio->bi_write_stream
NOSPEC 0 req->biotail->bi_iter.bi_sector
NOSPEC 0 req->biotail->bi_iter.bi_size
NOSPEC 0 req->biotail->bi_next->bi_iter.bi_sector
NOSPEC 0 req->biotail->bi_next->bi_iter.bi_size
NOSPEC 1 next->__sector
NOSPEC 1 next->bio->bi_iter.bi_sector
NOSPEC 1 next->bio->bi_iter.bi_size
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 req->__data_len 1024-4294966272[c]
HOST_DATA 0 req->__sector 0-u64max
HOST_DATA 0 req->biotail->bi_iter.bi_sector 0-u64max
HOST_DATA 0 req->biotail->bi_iter.bi_size 1-u32max[c]
HOST_DATA 0 req->biotail->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 0 req->biotail->bi_next->bi_iter.bi_sector 0-u64max
HOST_DATA 0 req->biotail->bi_next->bi_iter.bi_size 0-u32max[c]
HOST_DATA 0 req->biotail->bi_next->bi_max_vecs 0-4,16,64,128,256[c]
HOST_DATA 1 next->__data_len 1024-4294966272[c]
HOST_DATA 1 next->__sector 0-u64max
HOST_DATA 1 next->bio->bi_iter.bi_sector 0-u64max
HOST_DATA 1 next->bio->bi_iter.bi_size 1-u32max[c]
HOST_DATA 1 next->bio->bi_max_vecs 0-4,16,64,128,256[c]
USER_DATA 0 req->biotail->bi_ioprio 0-u16max
USER_DATA 0 req->biotail->bi_iter.bi_sector 0-u64max
USER_DATA 0 req->biotail->bi_iter.bi_size 1-u32max
USER_DATA 0 req->biotail->bi_max_vecs 0-u16max[c]
USER_DATA 0 req->biotail->bi_next->bi_ioprio 0-u16max
USER_DATA 0 req->biotail->bi_next->bi_iter.bi_sector 0-u64max
USER_DATA 0 req->biotail->bi_next->bi_iter.bi_size 0-u32max
USER_DATA 0 req->biotail->bi_next->bi_max_vecs 0-u16max[c]
USER_DATA 1 next->__sector 0-u64max
USER_DATA 1 next->bio->bi_iter.bi_sector 0-u64max
USER_DATA 1 next->bio->bi_iter.bi_size 1-u32max[c]
USER_DATA 1 next->bio->bi_max_vecs 0-u16max[c]
UNITS 0 req unit_byte
UNITS 1 next unit_byte
HALF_LOCKED2 &bfqd->lock
HALF_LOCKED2 &dd->lock
HALF_LOCKED2 irq