函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\writeback.h Create Date:2022-07-27 06:56:18
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：wbc_to_write_flags

函数原型：static inline int wbc_to_write_flags(struct writeback_control *wbc)

返回类型：int

参数：

类型参数名称
struct writeback_control *wbc
99  flags等于0
101  如果cgrp punting, see __REQ_CGROUP_PUNT 则flags等于REQ_CGROUP_PUNT
104  如果sync_mode恒等于Wait on every mapping 则flags或等于REQ_SYNC
106  否则如果A kupdate writeback 或A background writeback 则flags或等于REQ_BACKGROUND
109  返回:flags
调用者
名称描述
__swap_writepage
__block_write_full_pageWhile block_write_full_page is writing back the dirty buffers under* the page lock, whoever dirtied the buffers may decide to clean them* again at any time
__mpage_writepage
iomap_alloc_ioend