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      1 /*	$NetBSD: ffs.h,v 1.3 2022/11/17 06:40:41 chs Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001-2003 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Luke Mewburn for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _FFS_H
     39 #define _FFS_H
     40 
     41 #include <ufs/ufs/dinode.h>
     42 #include <ufs/ffs/fs.h>
     43 
     44 typedef struct {
     45 	char	label[MAXVOLLEN];	/* volume name/label */
     46 	int	bsize;		/* block size */
     47 	int	fsize;		/* fragment size */
     48 	int	cpg;		/* cylinders per group */
     49 	int	cpgflg;		/* cpg was specified by user */
     50 	int	density;	/* bytes per inode */
     51 	int	ntracks;	/* number of tracks */
     52 	int	nsectors;	/* number of sectors */
     53 	int	rpm;		/* rpm */
     54 	int	minfree;	/* free space threshold */
     55 	int	optimization;	/* optimization (space or time) */
     56 	int	maxcontig;	/* max contiguous blocks to allocate */
     57 	int	rotdelay;	/* rotational delay between blocks */
     58 	int	maxbpg;		/* maximum blocks per file in a cyl group */
     59 	int	nrpos;		/* # of distinguished rotational positions */
     60 	int	avgfilesize;	/* expected average file size */
     61 	int	avgfpdir;	/* expected # of files per directory */
     62 	int	version;	/* filesystem version (1 = FFS, 2 = UFS2) */
     63 	int	extattr;	/* use UFS2ea magic */
     64 	int	maxbsize;	/* maximum extent size */
     65 	int	maxblkspercg;	/* max # of blocks per cylinder group */
     66 		/* XXX: support `old' file systems ? */
     67 } ffs_opt_t;
     68 
     69 #endif /* _FFS_H */
     70