函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io_uring.c Create Date:2022-07-29 10:54:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__io_commit_cqring

函数原型：static void __io_commit_cqring(struct io_ring_ctx *ctx)

返回类型：void

参数：

类型参数名称
struct io_ring_ctx *ctx
608  rings等于rings
610  如果cached_cq_tail不等于READ_ONCE(tail)则
612  smp_store_release( & tail, cached_cq_tail)
614  如果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.则
615  wake_up_interruptible( & cq_wait)
616  kill_fasync( & cq_fasync, SIGIO, data input available )
调用者
名称描述
io_commit_cqring