usr/src/sys/kern/vfs_conf.c

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)vfs_conf.c  7.5 (Berkeley) %G%
 */

#include <sys/param.h>
#include <sys/mount.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 *rootdir;

/*
 * Set up the filesystem operations for vnodes.
 * The types are defined in mount.h.
 */
#ifdef FFS
extern  struct vfsops ufs_vfsops;
#endif

#ifdef LFS
extern  struct vfsops lfs_vfsops;
#endif

#ifdef MFS
extern  struct vfsops mfs_vfsops;
#endif

#ifdef NFS
extern  struct vfsops nfs_vfsops;
#endif

struct vfsops *vfssw[] = {
        NULL,                   /* 0 = MOUNT_NONE */
#ifdef FFS
        &ufs_vfsops,            /* 1 = MOUNT_UFS */
#else
        NULL,
#endif
#ifdef NFS
        &nfs_vfsops,            /* 2 = MOUNT_NFS */
#else
        NULL,
#endif
#ifdef MFS
        &mfs_vfsops,            /* 3 = MOUNT_MFS */
#else
        NULL,
#endif
        NULL,                   /* 4 = MOUNT_PC */
#ifdef LFS
        &lfs_vfsops,            /* 5 = MOUNT_LFS */
#else
        NULL,
#endif
};