bsd/ufs/mfs/mfsnode.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*
  24  * Copyright (c) 1989, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions
  29  * are met:
  30  * 1. Redistributions of source code must retain the above copyright
  31  *    notice, this list of conditions and the following disclaimer.
  32  * 2. Redistributions in binary form must reproduce the above copyright
  33  *    notice, this list of conditions and the following disclaimer in the
  34  *    documentation and/or other materials provided with the distribution.
  35  * 3. All advertising materials mentioning features or use of this software
  36  *    must display the following acknowledgement:
  37  *      This product includes software developed by the University of
  38  *      California, Berkeley and its contributors.
  39  * 4. Neither the name of the University nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  *
  55  *      @(#)mfsnode.h   8.2 (Berkeley) 8/11/93
  56  */
  57
  58 #ifndef __UFS_MFS_MFSNODE_H__
  59 #define __UFS_MFS_MFSNODE_H__
  60
  61 #include <sys/appleapiopts.h>
  62
  63 #ifdef __APPLE_API_OBSOLETE
  64 /*
  65  * This structure defines the control data for the memory based file system.
  66  */
  67
  68 struct mfsnode {
  69         struct  vnode *mfs_vnode;       /* vnode associated with this mfsnode */
  70         caddr_t mfs_baseoff;            /* base of file system in memory */
  71         long    mfs_size;               /* size of memory file system */
  72         pid_t   mfs_pid;                /* supporting process pid */
  73         struct  buf *mfs_buflist;       /* list of I/O requests */
  74         long    mfs_spare[4];
  75 };
  76
  77 /*
  78  * Convert between mfsnode pointers and vnode pointers
  79  */
  80 #define VTOMFS(vp)      ((struct mfsnode *)(vp)->v_data)
  81 #define MFSTOV(mfsp)    ((mfsp)->mfs_vnode)
  82
  83 /* Prototypes for MFS operations on vnodes. */
  84 #define mfs_lookup ((int (*) __P((struct  vop_lookup_args *)))mfs_badop)
  85 #define mfs_create ((int (*) __P((struct  vop_create_args *)))mfs_badop)
  86 #define mfs_mknod ((int (*) __P((struct  vop_mknod_args *)))mfs_badop)
  87 #define mfs_access ((int (*) __P((struct  vop_access_args *)))mfs_badop)
  88 #define mfs_getattr ((int (*) __P((struct  vop_getattr_args *)))mfs_badop)
  89 #define mfs_setattr ((int (*) __P((struct  vop_setattr_args *)))mfs_badop)
  90 #define mfs_read ((int (*) __P((struct  vop_read_args *)))mfs_badop)
  91 #define mfs_write ((int (*) __P((struct  vop_write_args *)))mfs_badop)
  92 #define mfs_select ((int (*) __P((struct  vop_select_args *)))mfs_badop)
  93 #define mfs_mmap ((int (*) __P((struct  vop_mmap_args *)))mfs_badop)
  94 #define mfs_seek ((int (*) __P((struct  vop_seek_args *)))mfs_badop)
  95 #define mfs_remove ((int (*) __P((struct  vop_remove_args *)))mfs_badop)
  96 #define mfs_link ((int (*) __P((struct  vop_link_args *)))mfs_badop)
  97 #define mfs_rename ((int (*) __P((struct  vop_rename_args *)))mfs_badop)
  98 #define mfs_mkdir ((int (*) __P((struct  vop_mkdir_args *)))mfs_badop)
  99 #define mfs_rmdir ((int (*) __P((struct  vop_rmdir_args *)))mfs_badop)
 100 #define mfs_symlink ((int (*) __P((struct  vop_symlink_args *)))mfs_badop)
 101 #define mfs_readdir ((int (*) __P((struct  vop_readdir_args *)))mfs_badop)
 102 #define mfs_readlink ((int (*) __P((struct  vop_readlink_args *)))mfs_badop)
 103 #define mfs_abortop ((int (*) __P((struct  vop_abortop_args *)))mfs_badop)
 104 #define mfs_lock ((int (*) __P((struct  vop_lock_args *)))nullop)
 105 #define mfs_unlock ((int (*) __P((struct  vop_unlock_args *)))nullop)
 106 #define mfs_islocked ((int (*) __P((struct  vop_islocked_args *)))nullop)
 107 #define mfs_pathconf ((int (*) __P((struct  vop_pathconf_args *)))mfs_badop)
 108 #define mfs_advlock ((int (*) __P((struct  vop_advlock_args *)))mfs_badop)
 109 #define mfs_blkatoff ((int (*) __P((struct  vop_blkatoff_args *)))mfs_badop)
 110 #define mfs_valloc ((int (*) __P((struct  vop_valloc_args *)))mfs_badop)
 111 #define mfs_vfree ((int (*) __P((struct  vop_vfree_args *)))mfs_badop)
 112 #define mfs_truncate ((int (*) __P((struct  vop_truncate_args *)))mfs_badop)
 113 #define mfs_update ((int (*) __P((struct  vop_update_args *)))mfs_badop)
 114 #define mfs_bwrite ((int (*) __P((struct  vop_bwrite_args *)))vn_bwrite)
 115 #endif /* __APPLE_API_OBSOLETE */
 116 #endif /* __UFS_MFS_MFSNODE_H__ */