函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\buffer.c Create Date:2022-07-29 10:45:05
Last Modify:2020-03-18 10:38:29 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：touch_buffer

函数原型：inline void touch_buffer(struct buffer_head *bh)

返回类型：void

参数：

类型参数名称
struct buffer_head *bh
62  lock_touch_buffer - mark a buffer accessed*@bh: buffer_head being touched* Called from touch_buffer().
63  Mark a page as having seen activity.* inactive,unreferenced -> inactive,referenced* inactive,referenced -> active,unreferenced* active,unreferenced -> active,referenced* When a newly allocated page is not yet visible, so safe for non-atomic ops,
调用者
名称描述
__find_get_blockPerform a pagecache lookup for the matching buffer. If it's there, refresh* it in the LRU and mark it as accessed. If it is not present then return* NULL