/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software donated to Berkeley by * Jan-Simon Pendry. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)null.h 8.3 (Berkeley) 8/20/94 * * $FreeBSD: src/sys/miscfs/nullfs/null.h,v 1.11.2.3 2001/06/26 04:20:09 bp Exp $ * $DragonFly: src/sys/vfs/nullfs/null.h,v 1.10 2008/09/18 16:08:32 dillon Exp $ */ struct null_args { char *target; /* Target of loopback */ struct export_args export; /* Network export information */ }; #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) struct null_mount { struct mount *nullm_vfs; struct vnode *nullm_rootvp; /* Reference to root null_node */ struct netexport export; }; #endif #ifdef _KERNEL #define MOUNTTONULLMOUNT(mp) ((struct null_mount *)((mp)->mnt_data)) #ifdef NULLFS_DEBUG #define NULLFSDEBUG(format, args...) kprintf(format ,## args) #else #define NULLFSDEBUG(format, args...) #endif /* NULLFS_DEBUG */ int nullfs_export(struct mount *mp, int op, const struct export_args *export); #endif /* _KERNEL */