rdtgroup_kn_unlock

函数名称：rdtgroup_kn_unlock

函数原型：void rdtgroup_kn_unlock(struct kernfs_node *kn)

返回类型：void

参数：

类型	参数	名称
struct kernfs_node *	kn

1904

rdtgrp等于We don't allow rdtgroup directories to be created anywhere* except the root directory

1906

如果非rdtgrp则返回

1909

mutex_unlock( & Mutex to protect rdtgroup access. )

1911

如果atomic_dec_and_test( & waitcount)且flags按位与dtgroup.flags 则

1913

如果mode恒等于RDT_MODE_PSEUDO_LOCKSETUP或mode恒等于RDT_MODE_PSEUDO_LOCKED则dtgroup_pseudo_lock_remove - Remove a pseudo-locked region*@rdtgrp: resource group to which the pseudo-locked region belongs* The removal of a pseudo-locked region can be initiated when the resource* group is removed from user space via a "rmdir" from

1916

kernfs_unbreak_active_protection(kn)

1917

1918

1919

否则

1920

kernfs_unbreak_active_protection(kn)

**调用者**
名称	描述
rdtgroup_cpus_show
rdtgroup_cpus_write
rdtgroup_tasks_write
rdtgroup_tasks_show
rdtgroup_mode_show	dtgroup_mode_show - Display mode of this resource group
rdtgroup_mode_write	dtgroup_mode_write - Modify the resource group's mode
rdtgroup_size_show	dtgroup_size_show - Display size in bytes of allocated regions* The "size" file mirrors the layout of the "schemata" file, printing the* size in bytes of each region instead of the capacity bitmask.
mkdir_rdt_prepare
rdtgroup_mkdir_mon	Create a monitor group under "mon_groups" directory of a control* and monitor group(ctrl_mon). This is a resource group* to monitor a subset of tasks and cpus in its parent ctrl_mon group.
rdtgroup_mkdir_ctrl_mon	These are rdtgroups created under the root directory. Can be used* to allocate and monitor resources.
rdtgroup_rmdir
rdtgroup_schemata_write
rdtgroup_schemata_show
rdtgroup_mondata_show

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