Defined in 2 files as a function:
- include/linux/task_io_accounting_ops.h, line 34 (as a function)
- include/linux/task_io_accounting_ops.h, line 72 (as a function)
Referenced in 2 files:
Smatch caller information:
kernel/exit.c __exit_signal() -> task_io_get_oublock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | p | 4096-ptr_max |
| CAPPED_DATA | 0 | p | 1 |
| DATA_SOURCE | 0 | p | $1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &sig->stats_lock.lock | ||
| LOCK2 | &sighand->siglock | ||
| LOCK2 | global &tasklist_lock | ||
| LOCK2 | irq | ||
| TYPE_LOCK | (struct seqlock)->lock | ||
| TYPE_LOCK | (struct sighand_struct)->siglock |
kernel/exit.c wait_task_zombie() -> task_io_get_oublock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | p | 4096-ptr_max |
| CAPPED_DATA | 0 | p->parent->signal | 1 |
| CAPPED_DATA | 0 | p->real_parent->signal | 1 |
| DATA_SOURCE | 0 | p | $1 |
| PARAM_COMPARE | 0 | p->parent->signal | == $0->real_parent->signal |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &psig->stats_lock.lock | ||
| LOCK2 | irq | ||
| TYPE_LOCK | (struct seqlock)->lock |
kernel/sys.c accumulate_thread_rusage() -> task_io_get_oublock()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | p | 4096-ptr_max |
| DATA_SOURCE | 0 | p | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | rcu_read |