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67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
/* $NetBSD: ffs.h,v 1.1 2004/12/20 20:51:42 jmc Exp $ */
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/*
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* Copyright (c) 2001-2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Luke Mewburn for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _FFS_H
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#define _FFS_H
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typedef struct {
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int bsize; /* block size */
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int fsize; /* fragment size */
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int cpg; /* cylinders per group */
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int cpgflg; /* cpg was specified by user */
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int density; /* bytes per inode */
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int ntracks; /* number of tracks */
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int nsectors; /* number of sectors */
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int rpm; /* rpm */
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int minfree; /* free space threshold */
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int optimization; /* optimization (space or time) */
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int maxcontig; /* max contiguous blocks to allocate */
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int rotdelay; /* rotational delay between blocks */
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int maxbpg; /* maximum blocks per file in a cyl group */
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int nrpos; /* # of distinguished rotational positions */
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int avgfilesize; /* expected average file size */
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int avgfpdir; /* expected # of files per directory */
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int version; /* filesystem version (1 = FFS, 2 = UFS2) */
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int maxbsize; /* maximum extent size */
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int maxblkspercg; /* max # of blocks per cylinder group */
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/* XXX: support `old' file systems ? */
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} ffs_opt_t;
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#endif /* _FFS_H */
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