函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\user_namespace.h Create Date:2022-07-27 06:49:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_user_ns

函数原型：static inline struct user_namespace *get_user_ns(struct user_namespace *ns)

返回类型：struct user_namespace

参数：

类型参数名称
struct user_namespace *ns
143  返回:init_user_ns
调用者
名称描述
rdt_init_fs_context
mm_init设置内核内存分配器
prepare_credsprepare_creds - Prepare a new set of credentials for modification* Prepare a new set of task credentials for modification
prepare_kernel_credprepare_kernel_cred - Prepare a set of credentials for a kernel service*@daemon: A userspace daemon to be used as a reference* Prepare a set of credentials for a kernel service
cgroup_init_fs_contextInitialise the cgroup filesystem creation/reconfiguration context. Notably,* we select the namespace we're going to use.
cgroup_initgroup_init - cgroup initialization* Register cgroup filesystem and /proc file, and initialize* any subsystems that didn't request early init.
copy_cgroup_ns
clone_uts_nsClone a new ns copying an original utsname, setting refcount to 1*@old_ns: namespace to clone* Return ERR_PTR(-ENOMEM) on error (failure to allocate), new ns otherwise
userns_get
userns_install
ns_get_owner
create_pid_namespace
mqueue_init_fs_context
mq_create_mount
do_mq_notifyNotes: the case when user wants us to deregister (with NULL as pointer)* and he isn't currently owner of notification, will be silently discarded.* It isn't explicitly defined in the POSIX.
create_ipc_ns
key_change_session_keyringReplace a process's session keyring on behalf of one of its children when* the target process is about to resume userspace execution.
alloc_superalloc_super - create new superblock*@type: filesystem type superblock should belong to*@flags: the mount flags*@user_ns: User namespace for the super_block* Allocates and initializes a new &struct super_block. alloc_super()
would_dump
alloc_mnt_ns
alloc_fs_contextalloc_fs_context - Create a filesystem context.*@fs_type: The filesystem type.*@reference: The dentry from which this one derives (or NULL)*@sb_flags: Filesystem/superblock flags (SB_*)*@sb_flags_mask: Applicable members of @sb_flags
vfs_dup_fs_contextvfs_dup_fc_config: Duplicate a filesystem context.*@src_fc: The context to copy.