bsd/ufs/ffs/ffs_extern.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  26
  27 /*-
  28  * Copyright (c) 1991, 1993, 1994
  29  *      The Regents of the University of California.  All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by the University of
  42  *      California, Berkeley and its contributors.
  43  * 4. Neither the name of the University nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  *      @(#)ffs_extern.h        8.6 (Berkeley) 3/30/95
  60  */
  61 #ifndef __UFS_FFS_FFS_EXTERN_H__
  62 #define __UFS_FFS_FFS_EXTERN_H__
  63
  64 #include <sys/appleapiopts.h>
  65
  66 #ifdef __APPLE_API_UNSTABLE
  67 /*
  68  * Sysctl values for the fast filesystem.
  69  */
  70 #define FFS_CLUSTERREAD         1       /* cluster reading enabled */
  71 #define FFS_CLUSTERWRITE        2       /* cluster writing enabled */
  72 #define FFS_REALLOCBLKS         3       /* block reallocation enabled */
  73 #define FFS_ASYNCFREE           4       /* asynchronous block freeing enabled */
  74 #define FFS_MAXID               5       /* number of valid ffs ids */
  75
  76 #define FFS_NAMES { \
  77         { 0, 0 }, \
  78         { "doclusterread", CTLTYPE_INT }, \
  79         { "doclusterwrite", CTLTYPE_INT }, \
  80         { "doreallocblks", CTLTYPE_INT }, \
  81         { "doasyncfree", CTLTYPE_INT }, \
  82 }
  83 #endif /* __APPLE_API_UNSTABLE */
  84
  85 struct buf;
  86 struct fid;
  87 struct fs;
  88 struct inode;
  89 struct mount;
  90 struct nameidata;
  91 struct proc;
  92 struct statfs;
  93 struct timeval;
  94 struct ucred;
  95 struct uio;
  96 struct vnode;
  97 struct mbuf;
  98 struct vfsconf;
  99
 100 #ifdef __APPLE_API_PRIVATE
 101 __BEGIN_DECLS
 102 int     ffs_alloc __P((struct inode *,
 103             ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
 104 int     ffs_balloc __P((struct inode *,
 105             ufs_daddr_t, int, struct ucred *, struct buf **, int, int *));
 106 int     ffs_blkatoff __P((struct vop_blkatoff_args *));
 107 int     ffs_blkfree __P((struct inode *, ufs_daddr_t, long));
 108 ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
 109 int     ffs_bmap __P((struct vop_bmap_args *));
 110 void    ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
 111 int     ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
 112             struct vnode **, int *, struct ucred **));
 113 void    ffs_fragacct __P((struct fs *, int, int32_t [], int));
 114 int     ffs_fsync __P((struct vop_fsync_args *));
 115 int     ffs_init __P((struct vfsconf *));
 116 int     ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
 117 int     ffs_mount __P((struct mount *,
 118             char *, caddr_t, struct nameidata *, struct proc *));
 119 int     ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
 120 int     ffs_mountroot __P((void));
 121 int     ffs_read __P((struct vop_read_args *));
 122 int     ffs_reallocblks __P((struct vop_reallocblks_args *));
 123 int     ffs_realloccg __P((struct inode *,
 124             ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
 125 int     ffs_reclaim __P((struct vop_reclaim_args *));
 126 void    ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
 127 int     ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
 128 int     ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
 129 int     ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
 130             struct proc *));
 131 int     ffs_truncate __P((struct vop_truncate_args *));
 132 int     ffs_unmount __P((struct mount *, int, struct proc *));
 133 int     ffs_update __P((struct vop_update_args *));
 134 int     ffs_valloc __P((struct vop_valloc_args *));
 135 int     ffs_vfree __P((struct vop_vfree_args *));
 136 int     ffs_vget __P((struct mount *, ino_t, struct vnode **));
 137 int     ffs_vptofh __P((struct vnode *, struct fid *));
 138 int     ffs_write __P((struct vop_write_args *));
 139 int ffs_pagein __P((struct vop_pagein_args *));
 140 int ffs_pageout __P((struct vop_pageout_args *));
 141 int ffs_blktooff __P((struct vop_blktooff_args *));
 142 int ffs_offtoblk __P((struct vop_offtoblk_args *));
 143
 144 #if DIAGNOSTIC
 145 void    ffs_checkoverlap __P((struct buf *, struct inode *));
 146 #endif
 147 __END_DECLS
 148
 149 extern int (**ffs_vnodeop_p)(void *);
 150 extern int (**ffs_specop_p)(void *);
 151 #if FIFO
 152 extern int (**ffs_fifoop_p)(void *);
 153 #define FFS_FIFOOPS ffs_fifoop_p
 154 #else
 155 #define FFS_FIFOOPS NULL
 156 #endif
 157
 158 #endif /* __APPLE_API_PRIVATE */
 159 #endif /* __UFS_FFS_FFS_EXTERN_H__ */