函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\buffer_head.h Create Date:2022-07-27 13:23:06
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：test_set_buffer_dirty

函数原型：static inline __attribute__((__always_inline__)) int test_set_buffer_dirty(struct buffer_head *bh)

返回类型：int

参数：

类型参数名称
struct buffer_head *bh
122  返回:st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).
调用者
名称描述
mark_buffer_dirtymark_buffer_dirty - mark a buffer_head as needing writeout*@bh: the buffer_head to mark dirty* mark_buffer_dirty() will set the dirty bit against the buffer, then set* its backing page dirty, then tag the page as dirty in the page cache* and then attach