extern.h revision 1.3
1 /* $NetBSD: extern.h,v 1.3 2000/12/01 12:03:27 simonb 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 /* prototypes */ 33 void mkfs(struct partition *, char *, int, int); 34 35 /* * variables set up by front end. */ 36 extern int mfs; /* run as the memory based filesystem */ 37 extern int Nflag; /* run mkfs without writing file system */ 38 extern int Oflag; /* format as an 4.3BSD file system */ 39 extern int fssize; /* file system size */ 40 extern int ntracks; /* # tracks/cylinder */ 41 extern int nsectors; /* # sectors/track */ 42 extern int nphyssectors; /* # sectors/track including spares */ 43 extern int secpercyl; /* sectors per cylinder */ 44 extern int sectorsize; /* bytes/sector */ 45 extern int rpm; /* revolutions/minute of drive */ 46 extern int interleave; /* hardware sector interleave */ 47 extern int trackskew; /* sector 0 skew, per track */ 48 extern int headswitch; /* head switch time, usec */ 49 extern int trackseek; /* track-to-track seek, usec */ 50 extern int fsize; /* fragment size */ 51 extern int bsize; /* block size */ 52 extern int cpg; /* cylinders/cylinder group */ 53 extern int cpgflg; /* cylinders/cylinder group flag was given */ 54 extern int minfree; /* free space threshold */ 55 extern int opt; /* optimization preference (space or time) */ 56 extern int density; /* number of bytes per inode */ 57 extern int maxcontig; /* max contiguous blocks to allocate */ 58 extern int rotdelay; /* rotational delay between blocks */ 59 extern int maxbpg; /* maximum blocks per file in a cyl group */ 60 extern int nrpos; /* # of distinguished rotational positions */ 61 extern int bbsize; /* boot block size */ 62 extern int sbsize; /* superblock size */ 63 extern u_long memleft; /* virtual memory available */ 64 extern caddr_t membase; /* start address of memory based filesystem */ 65 extern int needswap; /* Filesystem not in native byte order */ 66
Indexes created Tue Sep 23 22:09:46 GMT 2025