函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\user_namespace.c Create Date:2022-07-27 12:21:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:map_id_range_down_base - Find idmap via binary search in static extent array.* Can only be called if number of mappings is equal or less than* UID_GID_MAP_MAX_BASE_EXTENTS.

函数原型:static struct uid_gid_extent *map_id_range_down_base(unsigned extents, struct uid_gid_map *map, unsigned int id, unsigned int count)

返回类型:struct uid_gid_extent

参数:

类型参数名称
unsignedextents
struct uid_gid_map *map
unsigned intid
unsigned intcount
277  id2等于idcount减1
280 idx小于extents循环
281  first等于first
282  last等于firstcount减1
283  如果id大于等于firstid小于等于lastid2大于等于firstid2小于等于last则返回:extent[idx]
287  返回:NULL
调用者
名称描述
map_id_range_down