函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\filesystems.c Create Date:2022-07-29 10:39:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_filesystem_list

函数原型：int __init get_filesystem_list(char *buf)

返回类型：int

参数：

类型参数名称
char *buf
213  len等于0
216  read_lock( & file_systems_lock)
217  tmp等于Handling of filesystem drivers list.* Rules:* Inclusion to/removals from/scanning of list are protected by spinlock.* During the unload module must call unregister_filesystem().* We can access the fields of list element if:* 1) spinlock is held or
218  当tmp且len小于PAGE_SIZE减80循环
219  len加等于输出格式化串
222  tmp等于next
224  read_unlock( & file_systems_lock)
225  返回:len
调用者
名称描述
get_fs_names