Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
block/blk-iolatency.c blkiolatency_timer_fn() -> scale_cookie_change()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | lat_info | 4096-ptr_max |
| PARAM_VALUE | 2 | up | 1 |
| BUF_SIZE | 1 | lat_info | 112 |
| CAPPED_DATA | 1 | lat_info->last_scale_event | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| LOCK2 | rcu_read | ||
| LOCK2 | 1 | &lat_info->lock | |
| TYPE_LOCK | (struct child_latency_info)->lock |
block/blk-iolatency.c iolatency_check_latencies() -> scale_cookie_change()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | lat_info | 4096-ptr_max |
| PARAM_VALUE | 2 | up | 1 |
| BUF_SIZE | 1 | lat_info | 112 |
| CAPPED_DATA | 1 | lat_info->last_scale_event | 1 |
| CAPPED_DATA | 1 | lat_info->scale_grp | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| LOCK2 | 1 | &lat_info->lock | |
| HALF_LOCKED2 | &bio->bi_bdev->bd_queue->queue_lock | ||
| HALF_LOCKED2 | &cache->background_work_lock | ||
| HALF_LOCKED2 | &head->srcu | ||
| HALF_LOCKED2 | &ic->endio_wait.lock | ||
| HALF_LOCKED2 | &md->io_barrier | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &s->lock | ||
| HALF_LOCKED2 | &sdp->sd_log_flush_lock | ||
| HALF_LOCKED2 | global &bch_register_lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | lock.complete_slot | ||
| HALF_LOCKED2 | lock.pending_slot | ||
| TYPE_LOCK | (struct child_latency_info)->lock |
block/blk-iolatency.c iolatency_check_latencies() -> scale_cookie_change()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | lat_info | 4096-ptr_max |
| PARAM_VALUE | 2 | up | 0 |
| BUF_SIZE | 1 | lat_info | 112 |
| CAPPED_DATA | 1 | lat_info->last_scale_event | 1 |
| CAPPED_DATA | 1 | lat_info->scale_lat | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| LOCK2 | 1 | &lat_info->lock | |
| HALF_LOCKED2 | &bio->bi_bdev->bd_queue->queue_lock | ||
| HALF_LOCKED2 | &cache->background_work_lock | ||
| HALF_LOCKED2 | &head->srcu | ||
| HALF_LOCKED2 | &ic->endio_wait.lock | ||
| HALF_LOCKED2 | &md->io_barrier | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &s->lock | ||
| HALF_LOCKED2 | &sdp->sd_log_flush_lock | ||
| HALF_LOCKED2 | global &bch_register_lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | lock.complete_slot | ||
| HALF_LOCKED2 | lock.pending_slot | ||
| TYPE_LOCK | (struct child_latency_info)->lock |