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extern.h revision 1.3 
      1 /*	$NetBSD: extern.h,v 1.3 2009/03/01 19:21:09 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Christos Zoulas.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /* XXX should be in <sys/ufs/ext2fs.h> */
     33 #define EXT2_LOG_MAXBSIZE	12
     34 #define EXT2_MAXBSIZE		(1 << EXT2_LOG_MAXBSIZE)
     35 
     36 /* prototypes */
     37 void mke2fs(const char *, int, int);
     38 
     39 /* variables set up by front end. */
     40 extern int	Nflag;		/* run mkfs without writing file system */
     41 extern int	Oflag;		/* format as an 4.3BSD file system */
     42 extern int	verbosity;	/* amount of printf() output */
     43 extern int64_t	fssize;		/* file system size */
     44 extern uint16_t	inodesize;	/* bytes per inode */
     45 extern uint	sectorsize;	/* sector size */
     46 extern uint	fsize;		/* fragment size */
     47 extern uint	bsize;		/* block size */
     48 extern uint	minfree;	/* free space threshold */
     49 extern uint	num_inodes;	/* number of inodes (overrides density) */
     50 extern char	*volname;	/* volume name */
     51