函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\debug.c Create Date:2022-07-27 12:20:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cgroup_masks_read

函数原型：static int cgroup_masks_read(struct seq_file *seq, void *v)

返回类型：int

参数：

类型参数名称
struct seq_file *seq
void *v
257  of等于private
260  cgrp等于group_kn_lock_live - locking helper for cgroup kernfs methods*@kn: the kernfs_node being serviced*@drain_offline: perform offline draining on the cgroup* This helper is to be used by a cgroup kernfs method currently servicing*@kn
261  如果非cgrp则返回:负ENODEV
264  cgroup_masks_read_one(seq, "subtree_control", * The bitmask of subsystems enabled on the child cgroups. * ->subtree_control is the one configured through * "cgroup.subtree_control" while ->child_ss_mask is the effective * one which may have more subsystems enabled. Controller knobs * are made availabl)
265  cgroup_masks_read_one(seq, "subtree_ss_mask", subtree_ss_mask)
267  group_kn_unlock - unlocking helper for cgroup kernfs methods*@kn: the kernfs_node being serviced* This helper undoes cgroup_kn_lock_live() and should be invoked before* the method finishes if locking succeeded
268  返回:0