函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\aio.c Create Date:2022-07-29 10:53:21
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：free_ioctx_reqs

函数原型：static void free_ioctx_reqs(struct percpu_ref *ref)

返回类型：void

参数：

类型参数名称
struct percpu_ref *ref
597  ctx等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(ref, structkioctx, reqs)
600  如果* signals when all in-flight requests are done且atomic_dec_and_test( & count)则mplete: - signals a single thread waiting on this completion*@x: holds the state of this particular completion* This will wake up a single thread waiting on this completion. Threads will be* awakened in the same order in which they were queued.
604  INIT_RCU_WORK( & see free_ioctx() , _ioctx() should be RCU delayed to synchronize against the RCU* protected lookup_ioctx() and also needs process context to call* aio_free_ring(). Use rcu_work.)
605  queue_rcu_work - queue work after a RCU grace period*@wq: workqueue to use*@rwork: work to queue* Return: %false if @rwork was already pending, %true otherwise