Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io_uring.c Create Date:2022-07-28 20:22:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__io_cqring_ev_posted

Proto:static void __io_cqring_ev_posted(struct io_ring_ctx *ctx, bool trigger_ev)

Type:void

Parameter:

TypeParameterName
struct io_ring_ctx *ctx
booltrigger_ev
750  If waitqueue_active -- locklessly test for waiters on the queue*@wq_head: the waitqueue to test for waiters* returns true if the wait list is not empty* NOTE: this function is lockless and requires care, incorrect usage _will_ Then wake_up( & wait)
752  If waitqueue_active -- locklessly test for waiters on the queue*@wq_head: the waitqueue to test for waiters* returns true if the wait list is not empty* NOTE: this function is lockless and requires care, incorrect usage _will_ Then wake_up( & sqo_wait)
754  If trigger_ev Then ventfd_signal - Adds @n to the eventfd counter
Caller
NameDescribe
io_cqring_ev_posted
io_poll_wake