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 10:45:25
Last Modify:2020-03-18 10:38:29 Copyright©Brick
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函数名称：ry_to_free_buffers() checks if all the buffers on this particular page* are unused, and releases them if so

函数原型：static inline int buffer_busy(struct buffer_head *bh)

返回类型：int

参数：

类型参数名称
struct buffer_head *bh
3243  返回:atomic_read( & users using this buffer_head )按位或 buffer state bitmap (see above) 按位与1左移BH_Dirty位按位或1左移BH_Lock位的值
调用者
名称描述
drop_buffers