Function report |
Source Code:kernel\user_namespace.c |
Create Date:2022-07-28 11:19:06 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:map_id_up
Proto:static unsigned int map_id_up(struct uid_gid_map *map, unsigned int id)
Type:unsigned int
Parameter:
Type | Parameter | Name |
---|---|---|
struct uid_gid_map * | map | |
unsigned int | id |
357 | smp_rmb() |
361 | Else extent = map_id_up_max - Find idmap via binary search in ordered idmap array.* Can only be called if number of mappings exceeds UID_GID_MAP_MAX_BASE_EXTENTS. |
365 | If extent Then id = id - lower_first + first |
370 | Return id |
Name | Describe |
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from_kuid | m_kuid - Create a uid from a kuid user-namespace pair.*@targ: The user namespace we want a uid in.*@kuid: The kernel internal uid to start with.* Map @kuid into the user-namespace specified by @targ and* return the resulting uid. |
from_kgid | m_kgid - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid. |
from_kprojid | m_kprojid - Create a projid from a kprojid user-namespace pair.*@targ: The user namespace we want a projid in.*@kprojid: The kernel internal project identifier to start with.* Map @kprojid into the user-namespace specified by @targ and |
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