umount

Name:vfsmount lock must be held for write

Proto:static void umount_mnt(struct mount *mnt)

Type:void

Parameter:

Type	Parameter	Name
struct mount *	mnt

**Caller**
Name	Describe
umount_tree	mount_lock must be held* namespace_sem must be held for write
__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
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

Function report