put_mountpoint

Name:alled with namespace_lock and vfsmount lock

Proto:static void put_mountpoint(struct mountpoint *mp)

Type:void

Parameter:

Type	Parameter	Name
struct mountpoint *	mp

771

vfsmount lock must be held. Additionally, the caller is responsible* for serializing calls for given disposal list.

**Caller**
Name	Describe
umount_mnt	vfsmount 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_DEFINE2	pivot_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

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