函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\legacy_freezer.c Create Date:2022-07-27 12:16:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：freezer_write

函数原型：static ssize_t freezer_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off)

返回类型：ssize_t

参数：

类型参数名称
struct kernfs_open_file *of
char *buf
size_tnbytes
loff_toff
424  buf等于strstrip(buf)
426  如果字符串比较恒等于0则freeze = false
428  否则如果字符串比较恒等于0则freeze = true
430  否则返回:负EINVAL
433  zer_change_state - change the freezing state of a cgroup_freezer*@freezer: freezer of interest*@freeze: whether to freeze or thaw* Freeze or thaw @freezer according to @freeze. The operations are* recursive - all descendants of @freezer will be affected.
434  返回:nbytes