bsd/vfs/vfs_syscalls.c

829 		CLR(vp->v_flag, VMOUNT);
932 		CLR(vp->v_flag, VMOUNT);
1030  * and set VMOUNT
1064 	if (ISSET(vp->v_flag, VMOUNT) && (vp->v_mountedhere != NULL)) {
1077 	SET(vp->v_flag, VMOUNT);
1163  * Clear VMOUNT, set v_mountedhere, and mnt_vnodecovered, ref the vnode,
1174 	CLR(vp->v_flag, VMOUNT);
1490 	 * Placing the mp on the vnode clears VMOUNT,
1494 		/* Rele the vp, clear VMOUNT and v_mountedhere */
1498 		CLR(vp->v_flag, VMOUNT);