函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\char_dev.c Create Date:2022-07-29 10:32:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cdev_purge

函数原型：static void cdev_purge(struct cdev *cdev)

返回类型：void

参数：

类型参数名称
struct cdev *cdev
437  加自旋锁
438  当非链表为空循环
440  inode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.(链表后项, structinode, i_devices)
441  删除链表项并重新初始化
442  i_cdev = NULL
444  自旋锁解锁
调用者
名称描述
cdev_default_release
cdev_dynamic_release