Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
block/blk-mq.c blk_execute_rq() -> blk_account_io_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | req | 4096-ptr_max |
| PARAM_VALUE | 0 | req->end_io | 8224711835847061504 |
| PARAM_VALUE | 0 | req->end_io_data | 1964915337089572864 |
| BUF_SIZE | 0 | req->end_io_data | 104 |
| CAPPED_DATA | 0 | req | 1 |
| DATA_SOURCE | 0 | req | $0 |
| NOSPEC | 0 | req->__data_len | |
| NOSPEC | 0 | req->biotail->bi_iter.bi_size | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | req->__data_len | 0-1000000000 |
| USER_DATA | 0 | req->biotail->bi_iter.bi_size | 0-u32max |
| USER_DATA | 0 | req->biotail->bi_max_vecs | 0-4,16,64,128,256[c] |
| USER_DATA | 0 | req->biotail->bi_next->bi_max_vecs | 0-4,16,64,128,256[c] |
| NO_OVERFLOW_SIMPLE | 0 | req->bio->bi_iter.bi_sector | |
| NO_OVERFLOW_SIMPLE | 0 | req->bio->bi_max_vecs | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->q_usage_counter.percpu_count_ptr | |
| HALF_LOCKED2 | &attr->mutex | ||
| HALF_LOCKED2 | &cd->lock | ||
| HALF_LOCKED2 | &hba->clk_scaling_lock | ||
| HALF_LOCKED2 | &hba->dev_cmd.lock | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &vblk->vdev_mutex |
block/blk-mq.c blk_execute_rq_nowait() -> blk_account_io_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | req | 4096-ptr_max |
| PARAM_VALUE | 0 | req->__sector | u64max |
| PARAM_VALUE | 0 | req->bio | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_crypt_context | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->end_io | 4096-ptr_max |
| PARAM_VALUE | 0 | req->q | 4096-ptr_max |
| BUF_SIZE | 0 | req->end_io_data | (-1)-0,144,512 |
| CAPPED_DATA | 0 | req | 1 |
| DATA_SOURCE | 0 | req | $0 |
| STR_LEN | 0 | req->end_io_data | (-1) |
| BIT_INFO | 0 | req->end_io | 0x0,0x7fffffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | req->bio->bi_iter.bi_sector | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->q_usage_counter.percpu_count_ptr |
block/blk-mq.c blk_insert_cloned_request() -> blk_account_io_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | req | 4096-ptr_max |
| PARAM_VALUE | 0 | req->bio | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->__bi_cnt.counter | 1 |
| PARAM_VALUE | 0 | req->biotail->__bi_nr_segments | u32max |
| PARAM_VALUE | 0 | req->biotail->__bi_remaining.counter | 1 |
| PARAM_VALUE | 0 | req->biotail->bi_bvec_gap_bit | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_cookie | u32max |
| PARAM_VALUE | 0 | req->biotail->bi_crypt_context | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_end_io | 0,3281127521759952896 |
| PARAM_VALUE | 0 | req->biotail->bi_flags | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_integrity | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_iocost_cost | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_iter.bi_idx | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_iter.bi_sector | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_iter.bi_size | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_max_vecs | 0-4,16,64,128,256 |
| PARAM_VALUE | 0 | req->biotail->bi_next | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_next->__bi_cnt.counter | 1 |
| PARAM_VALUE | 0 | req->biotail->bi_next->__bi_nr_segments | u32max |
| PARAM_VALUE | 0 | req->biotail->bi_next->__bi_remaining.counter | 1 |
| PARAM_VALUE | 0 | req->biotail->bi_next->bi_cookie | u32max |
| PARAM_VALUE | 0 | req->biotail->bi_next->bi_end_io | 0,3281127521759952896 |
| PARAM_VALUE | 0 | req->biotail->bi_next->bi_max_vecs | 0-4,16,64,128,256 |
| PARAM_VALUE | 0 | req->biotail->bi_next->bi_opf | 0,65536-u32max |
| PARAM_VALUE | 0 | req->biotail->bi_next->bi_pool | 4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_opf | 0,65536-u32max |
| PARAM_VALUE | 0 | req->biotail->bi_pool | 4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_private | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_status | 0 |
| PARAM_VALUE | 0 | req->biotail->bi_vcnt | 0 |
| PARAM_VALUE | 0 | req->biotail->issue_time_ns | 0 |
| PARAM_VALUE | 0 | req->cmd_flags | 0,512-u32max |
| PARAM_VALUE | 0 | req->crypt_ctx | 1-u64max |
| PARAM_VALUE | 0 | req->crypt_keyslot | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->crypt_keyslot->slot_refs.counter | 1 |
| PARAM_VALUE | 0 | req->end_io | 682705916166324224 |
| PARAM_VALUE | 0 | req->end_io_data | 4096-ptr_max |
| PARAM_VALUE | 0 | req->q | 4096-ptr_max |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.deferred_resume | 0-1 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.idle_notification | 0-1 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.request | 0-4 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.request_pending | 0-1 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.runtime_error | s32min-(-17),(-15)-(-14),(-12),(-10)-s32max |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.runtime_status | 0,2 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.timer_autosuspends | 0-1 |
| PARAM_VALUE | 0 | req->q->crypto_profile->dev->power.usage_count.counter | s32min-s32max |
| PARAM_VALUE | 0 | req->q->crypto_profile->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | req->q->crypto_profile->lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | req->q->crypto_profile->lock.first_waiter->list.next | 2212933610777083904,2624917664208203776 |
| PARAM_VALUE | 0 | req->q->crypto_profile->lock.first_waiter->list.prev | 2212933610777083904,2624917664208203776 |
| PARAM_VALUE | 0 | req->q->crypto_profile->lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | req->q->disk | 0,4096-ptr_max |
| PARAM_VALUE | 0 | req->q->disk->part0 | 4096-ptr_max |
| PARAM_VALUE | 0 | req->rq_flags | 0,4096-u32max |
| PARAM_VALUE | 0 | *req->crypt_ctx->bc_key->bytes | 0-255 |
| CAPPED_DATA | 0 | req->nr_phys_segments | 1 |
| DATA_SOURCE | 0 | req | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | req->bio->bi_iter.bi_sector | |
| HALF_LOCKED2 | __tag_set->srcu | ||
| HALF_LOCKED2 | rcu_read |
block/blk-mq.c blk_mq_bio_to_request() -> blk_account_io_start()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | req | 4096-ptr_max |
| PARAM_VALUE | 0 | req->bio | 4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail | 4096-ptr_max |
| PARAM_VALUE | 0 | req->biotail->bi_bdev | 4096-ptr_max |
| PARAM_VALUE | 0 | req->mq_hctx->type | 0-2 |
| PARAM_VALUE | 0 | req->q | 4096-ptr_max |
| BUF_SIZE | 0 | req->biotail | (-1)-0,4,24,32,64,144-s32max |
| CAPPED_DATA | 0 | req->q | 1 |
| DATA_SOURCE | 0 | req | $0 |
| STR_LEN | 0 | req->biotail->bi_private | (-1),8,11-12,14,17,19-20,23,26-27,29,31-32 |
| NOSPEC | 0 | req->__data_len | |
| NOSPEC | 0 | req->__sector | |
| NOSPEC | 0 | req->biotail->bi_iter.bi_sector | |
| NOSPEC | 0 | req->biotail->bi_iter.bi_size | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | req->__data_len | 0-u32max[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 | 0-u32max[c] |
| HOST_DATA | 0 | req->biotail->bi_max_vecs | 0-u16max[c] |
| USER_DATA | 0 | req->__data_len | 0-u32max |
| USER_DATA | 0 | req->__sector | 0-u64max |
| 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 | 0-u32max |
| USER_DATA | 0 | req->biotail->bi_max_vecs | 0-u16max[c] |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->elv.icq->q->q_usage_counter.percpu_count_ptr | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->async_depth | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.discard_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_hw_discard_sectors | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.max_open_zones | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->limits.zone_write_granularity | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_hw_queues | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->nr_requests | |
| NO_OVERFLOW_SIMPLE | 0 | req->q->q_usage_counter.percpu_count_ptr | |
| HALF_LOCKED2 | &bio->bi_bdev->bd_queue->queue_lock |