io_ring_ctx_wait_and_kill

Name:io_ring_ctx_wait_and_kill

Proto:static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)

Type:void

Parameter:

Type	Parameter	Name
struct io_ring_ctx *	ctx

4998

mutex_lock( & uring_lock)

4999

percpu_ref_kill - drop the initial ref*@ref: percpu_ref to kill* Must be used to drop the initial ref on a percpu refcount; must be called* precisely once before shutdown.* Switches @ref into atomic mode before gathering up the percpu counters

5000

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

5009

When if using sq thread polling && Not wq_has_sleeper - check if there are any waiting processes*@wq_head: wait queue head* Returns true if wq_head has waiting processes* Please refer to the comment for waitqueue_active. cycle

5010

5012

io_kill_timeouts(ctx)

5013

io_poll_remove_all(ctx)

5015

If IO offload Then io_wq_cancel_all( IO offload )

5018

We can't just wait for polled events to come to us, we have to actively* find and complete them.

5020

If rings Then Returns true if there are no backlogged entries after the flush

5022

wait_for_completion: - waits for completion of a task*@x: holds the state of this particular completion* This waits to be signaled for completion of a specific task. It is NOT* interruptible and there is no timeout.* See also similar routines (i

5023

io_ring_ctx_free(ctx)

**Caller**
Name	Describe
io_uring_release
io_uring_create

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