/* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1982, 1986, 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. * * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 */ #ifndef _UFS_UFSMOUNT_H_ #define _UFS_UFSMOUNT_H_ #include <sys/appleapiopts.h> #include <sys/quota.h> #ifdef __APPLE_API_UNSTABLE /* * Arguments to mount UFS-based filesystems */ struct ufs_args { char *fspec; /* block special device to mount */ struct export_args export; /* network export information */ }; #endif /* __APPLE_API_UNSTABLE */ #ifdef __APPLE_API_OBSOLETE #if MFS /* * Arguments to mount MFS */ struct mfs_args { char *fspec; /* name to export for statfs */ struct export_args export; /* if exported MFSes are supported */ caddr_t base; /* base of file system in memory */ u_long size; /* size of file system */ }; #endif /* MFS */ #endif /* __APPLE_API_OBSOLETE */ #ifdef KERNEL #ifdef __APPLE_API_PRIVATE struct fs; struct mount; struct vnode; struct netexport; /* This structure describes the UFS specific mount structure data. */ struct ufsmount { struct mount *um_mountp; /* filesystem vfs structure */ dev_t um_dev; /* device mounted */ struct vnode *um_devvp; /* block device mounted vnode */ union { /* pointer to superblock */ struct fs *fs; /* FFS */ } ufsmount_u; #define um_fs ufsmount_u.fs struct quotafile um_qfiles[MAXQUOTAS]; /* quota files */ u_long um_nindir; /* indirect ptrs per block */ u_long um_bptrtodb; /* indir ptr to disk block */ u_long um_seqinc; /* inc between seq blocks */ struct netexport um_export; /* export information */ int64_t um_savedmaxfilesize; /* XXX - limit maxfilesize */ }; /* Convert mount ptr to ufsmount ptr. */ #define VFSTOUFS(mp) ((struct ufsmount *)((mp)->mnt_data)) /* * Macros to access file system parameters in the ufsmount structure. * Used by ufs_bmap. */ #define MNINDIR(ump) ((ump)->um_nindir) #define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) #define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) #endif /* __APPLE_API_PRIVATE */ #endif /* KERNEL */ #endif /* ! _UFS_UFSMOUNT_H_ */