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ffs.h

/*    $NetBSD: ffs.h,v 1.1 2004/12/20 20:51:42 jmc Exp $    */

/*
 * Copyright (c) 2001-2003 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Luke Mewburn for Wasabi Systems, Inc.
 *
 * 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 for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
 * 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.
 */

#ifndef _FFS_H
#define _FFS_H

typedef struct {
      int   bsize;            /* block size */
      int   fsize;            /* fragment size */
      int   cpg;        /* cylinders per group */
      int   cpgflg;           /* cpg was specified by user */
      int   density;    /* bytes per inode */
      int   ntracks;    /* number of tracks */
      int   nsectors;   /* number of sectors */
      int   rpm;        /* rpm */
      int   minfree;    /* free space threshold */
      int   optimization;     /* optimization (space or time) */
      int   maxcontig;  /* max contiguous blocks to allocate */
      int   rotdelay;   /* rotational delay between blocks */
      int   maxbpg;           /* maximum blocks per file in a cyl group */
      int   nrpos;            /* # of distinguished rotational positions */
      int   avgfilesize;      /* expected average file size */
      int   avgfpdir;   /* expected # of files per directory */
      int   version;    /* filesystem version (1 = FFS, 2 = UFS2) */
      int   maxbsize;   /* maximum extent size */
      int   maxblkspercg;     /* max # of blocks per cylinder group */
            /* XXX: support `old' file systems ? */
} ffs_opt_t;

#endif /* _FFS_H */

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