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 12:21:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：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.

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

返回类型：struct uid_gid_extent

参数：

类型参数名称
unsignedextents
struct uid_gid_map *map
unsigned intid
345  rue -> id from kid; false -> kid from id = true
346  == 0 unless used with map_id_range_down() 等于1
347  d to find 等于id
349  返回:search - binary search an array of elements*@key: pointer to item being searched for*@base: pointer to first element to search*@num: number of elements*@size: size of each element*@cmp: pointer to comparison function
调用者
名称描述
map_id_up