函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\namespace.c Create Date:2022-07-29 10:39:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：alled with namespace_lock and vfsmount lock

函数原型：static void put_mountpoint(struct mountpoint *mp)

返回类型：void

参数：

类型参数名称
struct mountpoint *mp
771  vfsmount lock must be held. Additionally, the caller is responsible* for serializing calls for given disposal list.
调用者
名称描述
umount_mntvfsmount lock must be held for write
mnt_change_mountpoint
__detach_mounts__detach_mounts - lazily unmount all mounts on the specified dentry* During unlink, rmdir, and d_drop it is possible to loose the path* to an existing mountpoint, and wind up leaking the mount
attach_recursive_mnt@source_mnt : mount tree to be attached*@nd : place the mount tree @source_mnt is attached*@parent_nd : if non-null, detach the source_mnt from its parent and* store the parent mount and mountpoint dentry
unlock_mount
do_move_mount
SYSCALL_DEFINE2pivot_root Semantics:* Moves the root file system of the current process to the directory put_old,* makes new_root as the new root file system of the current process, and sets* root/cwd of all processes which had them on the current root to new_root