sbin/newfs/extern.h

   1 /*      $NetBSD: extern.h,v 1.13 2006/08/26 22:03:47 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  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 /* prototypes */
  28 void mkfs(const char *, int, int, mode_t, uid_t, gid_t);
  29
  30 /* * variables set up by front end. */
  31 extern int      mfs;            /* run as the memory based filesystem */
  32 extern int      Nflag;          /* run mkfs without writing file system */
  33 extern int      Oflag;          /* format as an 4.3BSD file system */
  34 extern int      verbosity;      /* amount of printf() output */
  35 extern int64_t  fssize;         /* file system size */
  36 extern int      sectorsize;     /* bytes/sector */
  37 extern int      rpm;            /* revolutions/minute of drive */
  38 extern int      fsize;          /* fragment size */
  39 extern int      bsize;          /* block size */
  40 extern int      maxbsize;
  41 extern int      cpg;            /* cylinders/cylinder group */
  42 extern int      cpgflg;         /* cylinders/cylinder group flag was given */
  43 extern int      minfree;        /* free space threshold */
  44 extern int      opt;            /* optimization preference (space or time) */
  45 extern int      density;        /* number of bytes per inode */
  46 extern int      num_inodes;     /* number of inodes (overrides density) */
  47 extern int      maxcontig;      /* max contiguous blocks to allocate */
  48 extern int      maxbpg;         /* maximum blocks per file in a cyl group */
  49 extern int      maxblkspercg;
  50 extern int      nrpos;          /* # of distinguished rotational positions */
  51 extern int      avgfilesize;    /* expected average file size */
  52 extern int      avgfpdir;       /* expected number of files per directory */
  53 extern u_long   memleft;        /* virtual memory available */
  54 extern caddr_t  membase;        /* start address of memory based filesystem */
  55 extern int      needswap;       /* Filesystem not in native byte order */
  56 extern int      isappleufs; /* Filesystem is Apple UFS */
  57 extern char     *appleufs_volname;      /* Apple UFS volume name */