HardenedBSD/sys/kern/vfs_mount.c
David Greenman 3c4dd3568f Added $Id$
1994-08-02 07:55:43 +00:00

262 lines
6.7 KiB
C

/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)vfs_conf.c 8.8 (Berkeley) 3/31/94
* $Id$
*/
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#ifdef FFS
#include <ufs/ffs/ffs_extern.h>
/*
* This specifies the filesystem used to mount the root.
* This specification should be done by /etc/config.
*/
int (*mountroot)() = ffs_mountroot;
#endif
/*
* These define the root filesystem and device.
*/
struct mount *rootfs;
struct vnode *rootvnode;
/*
* Set up the filesystem operations for vnodes.
* The types are defined in mount.h.
*/
#ifdef FFS
extern struct vfsops ufs_vfsops;
#define UFS_VFSOPS &ufs_vfsops
#else
#define UFS_VFSOPS NULL
#endif
#ifdef LFS
extern struct vfsops lfs_vfsops;
#define LFS_VFSOPS &lfs_vfsops
#else
#define LFS_VFSOPS NULL
#endif
#ifdef MFS
extern struct vfsops mfs_vfsops;
#define MFS_VFSOPS &mfs_vfsops
#else
#define MFS_VFSOPS NULL
#endif
#ifdef NFS
extern struct vfsops nfs_vfsops;
#define NFS_VFSOPS &nfs_vfsops
#else
#define NFS_VFSOPS NULL
#endif
#ifdef FDESC
extern struct vfsops fdesc_vfsops;
#define FDESC_VFSOPS &fdesc_vfsops
#else
#define FDESC_VFSOPS NULL
#endif
#ifdef PORTAL
extern struct vfsops portal_vfsops;
#define PORTAL_VFSOPS &portal_vfsops
#else
#define PORTAL_VFSOPS NULL
#endif
#ifdef NULLFS
extern struct vfsops null_vfsops;
#define NULL_VFSOPS &null_vfsops
#else
#define NULL_VFSOPS NULL
#endif
#ifdef UMAPFS
extern struct vfsops umap_vfsops;
#define UMAP_VFSOPS &umap_vfsops
#else
#define UMAP_VFSOPS NULL
#endif
#ifdef KERNFS
extern struct vfsops kernfs_vfsops;
#define KERNFS_VFSOPS &kernfs_vfsops
#else
#define KERNFS_VFSOPS NULL
#endif
#ifdef PROCFS
extern struct vfsops procfs_vfsops;
#define PROCFS_VFSOPS &procfs_vfsops
#else
#define PROCFS_VFSOPS NULL
#endif
#ifdef AFS
extern struct vfsops afs_vfsops;
#define AFS_VFSOPS &afs_vfsops
#else
#define AFS_VFSOPS NULL
#endif
#ifdef CD9660
extern struct vfsops cd9660_vfsops;
#define CD9660_VFSOPS &cd9660_vfsops
#else
#define CD9660_VFSOPS NULL
#endif
#ifdef UNION
extern struct vfsops union_vfsops;
#define UNION_VFSOPS &union_vfsops
#else
#define UNION_VFSOPS NULL
#endif
struct vfsops *vfssw[] = {
NULL, /* 0 = MOUNT_NONE */
UFS_VFSOPS, /* 1 = MOUNT_UFS */
NFS_VFSOPS, /* 2 = MOUNT_NFS */
MFS_VFSOPS, /* 3 = MOUNT_MFS */
NULL, /* 4 = MOUNT_PC */
LFS_VFSOPS, /* 5 = MOUNT_LFS */
NULL, /* 6 = MOUNT_LOFS */
FDESC_VFSOPS, /* 7 = MOUNT_FDESC */
PORTAL_VFSOPS, /* 8 = MOUNT_PORTAL */
NULL_VFSOPS, /* 9 = MOUNT_NULL */
UMAP_VFSOPS, /* 10 = MOUNT_UMAP */
KERNFS_VFSOPS, /* 11 = MOUNT_KERNFS */
PROCFS_VFSOPS, /* 12 = MOUNT_PROCFS */
AFS_VFSOPS, /* 13 = MOUNT_AFS */
CD9660_VFSOPS, /* 14 = MOUNT_CD9660 */
UNION_VFSOPS, /* 15 = MOUNT_UNION */
0
};
/*
*
* vfs_opv_descs enumerates the list of vnode classes, each with it's own
* vnode operation vector. It is consulted at system boot to build operation
* vectors. It is NULL terminated.
*
*/
extern struct vnodeopv_desc ffs_vnodeop_opv_desc;
extern struct vnodeopv_desc ffs_specop_opv_desc;
extern struct vnodeopv_desc ffs_fifoop_opv_desc;
extern struct vnodeopv_desc lfs_vnodeop_opv_desc;
extern struct vnodeopv_desc lfs_specop_opv_desc;
extern struct vnodeopv_desc lfs_fifoop_opv_desc;
extern struct vnodeopv_desc mfs_vnodeop_opv_desc;
extern struct vnodeopv_desc dead_vnodeop_opv_desc;
extern struct vnodeopv_desc fifo_vnodeop_opv_desc;
extern struct vnodeopv_desc spec_vnodeop_opv_desc;
extern struct vnodeopv_desc nfsv2_vnodeop_opv_desc;
extern struct vnodeopv_desc spec_nfsv2nodeop_opv_desc;
extern struct vnodeopv_desc fifo_nfsv2nodeop_opv_desc;
extern struct vnodeopv_desc fdesc_vnodeop_opv_desc;
extern struct vnodeopv_desc portal_vnodeop_opv_desc;
extern struct vnodeopv_desc null_vnodeop_opv_desc;
extern struct vnodeopv_desc umap_vnodeop_opv_desc;
extern struct vnodeopv_desc kernfs_vnodeop_opv_desc;
extern struct vnodeopv_desc procfs_vnodeop_opv_desc;
extern struct vnodeopv_desc cd9660_vnodeop_opv_desc;
extern struct vnodeopv_desc cd9660_specop_opv_desc;
extern struct vnodeopv_desc cd9660_fifoop_opv_desc;
extern struct vnodeopv_desc union_vnodeop_opv_desc;
struct vnodeopv_desc *vfs_opv_descs[] = {
&ffs_vnodeop_opv_desc,
&ffs_specop_opv_desc,
#ifdef FIFO
&ffs_fifoop_opv_desc,
#endif
&dead_vnodeop_opv_desc,
#ifdef FIFO
&fifo_vnodeop_opv_desc,
#endif
&spec_vnodeop_opv_desc,
#ifdef LFS
&lfs_vnodeop_opv_desc,
&lfs_specop_opv_desc,
#ifdef FIFO
&lfs_fifoop_opv_desc,
#endif
#endif
#ifdef MFS
&mfs_vnodeop_opv_desc,
#endif
#ifdef NFS
&nfsv2_vnodeop_opv_desc,
&spec_nfsv2nodeop_opv_desc,
#ifdef FIFO
&fifo_nfsv2nodeop_opv_desc,
#endif
#endif
#ifdef FDESC
&fdesc_vnodeop_opv_desc,
#endif
#ifdef PORTAL
&portal_vnodeop_opv_desc,
#endif
#ifdef NULLFS
&null_vnodeop_opv_desc,
#endif
#ifdef UMAPFS
&umap_vnodeop_opv_desc,
#endif
#ifdef KERNFS
&kernfs_vnodeop_opv_desc,
#endif
#ifdef PROCFS
&procfs_vnodeop_opv_desc,
#endif
#ifdef CD9660
&cd9660_vnodeop_opv_desc,
&cd9660_specop_opv_desc,
#ifdef FIFO
&cd9660_fifoop_opv_desc,
#endif
#endif
#ifdef UNION
&union_vnodeop_opv_desc,
#endif
NULL
};