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Annotation of 43BSDReno/sys/kern/vfs_conf.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1989 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution is only permitted until one year after the first shipment
                      6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                      7:  * binary forms are permitted provided that: (1) source distributions retain
                      8:  * this entire copyright notice and comment, and (2) distributions including
                      9:  * binaries display the following acknowledgement:  This product includes
                     10:  * software developed by the University of California, Berkeley and its
                     11:  * contributors'' in the documentation or other materials provided with the
                     12:  * distribution and in all advertising materials mentioning features or use
                     13:  * of this software.  Neither the name of the University nor the names of
                     14:  * its contributors may be used to endorse or promote products derived from
                     15:  * this software without specific prior written permission.
                     16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     19:  *
                     20:  *     @(#)vfs_conf.c  7.3 (Berkeley) 6/28/90
                     21:  */
                     22: 
                     23: #include "param.h"
                     24: #include "mount.h"
                     25: 
                     26: /*
                     27:  * This specifies the filesystem used to mount the root.
                     28:  * This specification should be done by /etc/config.
                     29:  */
                     30: extern int ufs_mountroot();
                     31: int (*mountroot)() = ufs_mountroot;
                     32: 
                     33: /*
                     34:  * These define the root filesystem and device.
                     35:  */
                     36: struct mount *rootfs;
                     37: struct vnode *rootdir;
                     38: 
                     39: /*
                     40:  * Set up the filesystem operations for vnodes.
                     41:  * The types are defined in mount.h.
                     42:  */
                     43: extern struct vfsops ufs_vfsops;
                     44: 
                     45: #ifdef NFS
                     46: extern struct vfsops nfs_vfsops;
                     47: #endif
                     48: 
                     49: #ifdef MFS
                     50: extern struct vfsops mfs_vfsops;
                     51: #endif
                     52: 
                     53: struct vfsops *vfssw[] = {
                     54:        (struct vfsops *)0,     /* 0 = MOUNT_NONE */
                     55:        &ufs_vfsops,            /* 1 = MOUNT_UFS */
                     56: #ifdef NFS
                     57:        &nfs_vfsops,            /* 2 = MOUNT_NFS */
                     58: #else
                     59:        (struct vfsops *)0,
                     60: #endif
                     61: #ifdef MFS
                     62:        &mfs_vfsops,            /* 3 = MOUNT_MFS */
                     63: #else
                     64:        (struct vfsops *)0,
                     65: #endif
                     66:        (struct vfsops *)0,     /* 4 = MOUNT_PC */
                     67: };

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