函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\cgroup.c Create Date:2022-07-27 12:09:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：group_file_mode - deduce file mode of a control file*@cft: the control file in question* S_IRUGO for read, S_IWUSR for write.

函数原型：static umode_t cgroup_file_mode(const struct cftype *cft)

返回类型：umode_t

参数：

类型参数名称
const struct cftype *cft
1491  mode等于0
1493  如果read_u64或read_s64或seq_show则mode或等于S_IRUGO
1496  如果write_u64或write_s64或write则
1497  如果CFTYPE_* flags 按位与CFTYPE_WORLD_WRITABLE则mode或等于S_IWUGO
1499  否则mode或等于S_IWUSR
1503  返回:mode
调用者
名称描述
cgroup_add_file