may_umount_tree    67 fs/autofs4/expire.c 	if (!may_umount_tree(mnt)) {
may_umount_tree   117 fs/autofs4/expire.c 	if (!may_umount_tree(mnt)) {
may_umount_tree  1608 include/linux/fs.h extern int may_umount_tree(struct vfsmount *);