Function report |
Source Code:arch\x86\kernel\cpu\resctrl\rdtgroup.c |
Create Date:2022-07-28 08:11:30 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:dtgroup_kn_mode_restore - Restore user access to named resctrl file*@r: The resource group with which the file is associated.*@name: Name of the file*@mask: Mask of permissions that should be restored* Restore the permissions of the named file
Proto:int rdtgroup_kn_mode_restore(struct rdtgroup *r, const char *name, umode_t mask)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct rdtgroup * | r | |
const char * | name | |
umode_t | mask |
1570 | struct iattr iattr = {ia_valid = Attribute flags. These should be or-ed together to figure out what* has been changed!, } |
1576 | len = ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(dtgroup information files for one cache resource. ) |
1583 | kn = kernfs_find_and_get_ns(kn, name, NULL) |
1588 | Case kernfs_type(kn) == KERNFS_DIR |
1596 | Case kernfs_type(kn) == KERNFS_FILE |
1599 | Case kernfs_type(kn) == KERNFS_LINK |
1604 | ret = kernfs_setattr(kn, & iattr) |
1605 | kernfs_put(kn) |
1606 | Return ret |
Name | Describe |
---|---|
rdtgroup_locksetup_user_restrict | dtgroup_locksetup_user_restrict - Restrict user access to group*@rdtgrp: resource group needing access restricted* A resource group used for cache pseudo-locking cannot have cpus or tasks* assigned to it |
rdtgroup_locksetup_user_restore | dtgroup_locksetup_user_restore - Restore user access to group*@rdtgrp: resource group needing access restored* Restore all file access previously removed using* rdtgroup_locksetup_user_restrict()* Return: 0 on success, <0 on failure |
rdtgroup_pseudo_lock_create | dtgroup_pseudo_lock_create - Create a pseudo-locked region*@rdtgrp: resource group to which pseudo-lock region belongs* Called when a resource group in the pseudo-locksetup mode receives a* valid schemata that should be pseudo-locked |
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