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 10:53:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：_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.

函数原型：static void free_ioctx(struct work_struct *work)

返回类型：void

参数：

类型参数名称
struct work_struct *work
584  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.(to_rcu_work(work), structkioctx, free_rwork)
586  pr_debug("freeing %p\n", ctx)
588  aio_free_ring(ctx)
589  释放内存
590  percpu_ref_exit - undo percpu_ref_init()*@ref: percpu_ref to exit* This function exits @ref
591  percpu_ref_exit - undo percpu_ref_init()*@ref: percpu_ref to exit* This function exits @ref
592  kmem_cache_free(kioctx_cachep, ctx)