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Second try: attempt to import Lite2's newfs.
This commit is contained in:
Bruce Evans
parent
d4c31a75a3
commit
b7999b5100
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/CSRG/dist/; revision=18938
1265
sbin/newfs/mkfs.c
Normal file
1265
sbin/newfs/mkfs.c
Normal file
File diff suppressed because it is too large
Load Diff
298
sbin/newfs/newfs.8
Normal file
298
sbin/newfs/newfs.8
Normal file
@ -0,0 +1,298 @@
|
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.\" Copyright (c) 1983, 1987, 1991, 1993, 1994
|
||||
.\" The Regents of the University of California. All rights reserved.
|
||||
.\"
|
||||
.\" 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 by the University of
|
||||
.\" California, Berkeley and its contributors.
|
||||
.\" 4. Neither the name of the University nor the names of its contributors
|
||||
.\" may be used to endorse or promote products derived from this software
|
||||
.\" without specific prior written permission.
|
||||
.\"
|
||||
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
|
||||
.\"
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.\" @(#)newfs.8 8.6 (Berkeley) 5/3/95
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.\"
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.Dd May 3, 1995
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.Dt NEWFS 8
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.Os BSD 4.2
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.Sh NAME
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||||
.Nm newfs ,
|
||||
.Nm mount_mfs
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||||
.Nd construct a new file system
|
||||
.Sh SYNOPSIS
|
||||
.Nm newfs
|
||||
.Op Fl NO
|
||||
.Op Fl S Ar sector-size
|
||||
.Op Fl T Ar disktype
|
||||
.Op Fl a Ar maxcontig
|
||||
.Op Fl b Ar block-size
|
||||
.Op Fl c Ar cylinders
|
||||
.Op Fl d Ar rotdelay
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||||
.Op Fl e Ar maxbpg
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||||
.Op Fl f Ar frag-size
|
||||
.Op Fl i Ar bytes
|
||||
.Op Fl k Ar skew
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.Op Fl l Ar interleave
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||||
.Op Fl m Ar free space
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.Op Fl n Ar rotational positions
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||||
.Op Fl o Ar optimization
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.Op Fl p Ar sectors
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||||
.Op Fl r Ar revolutions
|
||||
.Op Fl s Ar size
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||||
.Op Fl t Ar tracks
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||||
.Op Fl u Ar sectors
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||||
.Op Fl x Ar sectors
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||||
.Ar special
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||||
.Nm mount_mfs
|
||||
.Op Fl N
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||||
.Op Fl T Ar disktype
|
||||
.Op Fl a Ar maxcontig
|
||||
.Op Fl b Ar block-size
|
||||
.Op Fl c Ar cylinders
|
||||
.Op Fl d Ar rotdelay
|
||||
.Op Fl e Ar maxbpg
|
||||
.Op Fl f Ar frag-size
|
||||
.Op Fl i Ar bytes
|
||||
.Op Fl m Ar free space
|
||||
.Op Fl n Ar rotational positions
|
||||
.Op Fl o Ar options
|
||||
.Op Fl s Ar size
|
||||
.Ar special node
|
||||
.Sh DESCRIPTION
|
||||
.Nm Newfs
|
||||
replaces the more obtuse
|
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.Xr mkfs 8
|
||||
program.
|
||||
Before running
|
||||
.Nm newfs
|
||||
or
|
||||
.Nm mount_mfs ,
|
||||
the disk must be labeled using
|
||||
.Xr disklabel 8 .
|
||||
.Nm Newfs
|
||||
builds a file system on the specified special device
|
||||
basing its defaults on the information in the disk label.
|
||||
Typically the defaults are reasonable, however
|
||||
.Nm newfs
|
||||
has numerous options to allow the defaults to be selectively overridden.
|
||||
.Pp
|
||||
.Nm Mount_mfs
|
||||
is used to build a file system in virtual memory and then mount it
|
||||
on a specified node.
|
||||
.Nm Mount_mfs
|
||||
exits and the contents of the file system are lost
|
||||
when the file system is unmounted.
|
||||
If
|
||||
.Nm mount_mfs
|
||||
is sent a signal while running,
|
||||
for example during system shutdown,
|
||||
it will attempt to unmount its
|
||||
corresponding file system.
|
||||
The parameters to
|
||||
.Nm mount_mfs
|
||||
are the same as those to
|
||||
.Nm newfs .
|
||||
If the
|
||||
.Fl T
|
||||
flag is specified (see below), the special file is unused.
|
||||
Otherwise, it is only used to read the disk label which provides
|
||||
a set of configuration parameters for the memory based file system.
|
||||
The special file is typically that of the primary swap area,
|
||||
since that is where the file system will be backed up when
|
||||
free memory gets low and the memory supporting
|
||||
the file system has to be paged.
|
||||
.Pp
|
||||
The following options define the general layout policies.
|
||||
.Bl -tag -width Fl
|
||||
.It Fl N
|
||||
Causes the file system parameters to be printed out
|
||||
without really creating the file system.
|
||||
.It Fl O
|
||||
Creates a 4.3BSD format filesystem.
|
||||
This options is primarily used to build root filesystems
|
||||
that can be understood by older boot ROMs.
|
||||
.It Fl T
|
||||
Uses information for the specified disk from
|
||||
.Pa /etc/disktab
|
||||
instead of trying to get the information from a disklabel.
|
||||
.It Fl a Ar maxcontig
|
||||
This specifies the maximum number of contiguous blocks that will be
|
||||
laid out before forcing a rotational delay (see the
|
||||
.Fl d
|
||||
option).
|
||||
The default value is one.
|
||||
See
|
||||
.Xr tunefs 8
|
||||
for more details on how to set this option.
|
||||
.It Fl b Ar block-size
|
||||
The block size of the file system, in bytes.
|
||||
.It Fl c Ar #cylinders/group
|
||||
The number of cylinders per cylinder group in a file system.
|
||||
The default value is 16.
|
||||
.It Fl d Ar rotdelay
|
||||
This specifies the expected time (in milliseconds) to service a transfer
|
||||
completion interrupt and initiate a new transfer on the same disk.
|
||||
The default is 4 milliseconds.
|
||||
See
|
||||
.Xr tunefs 8
|
||||
for more details on how to set this option.
|
||||
.ne 1i
|
||||
.It Fl e Ar maxbpg
|
||||
This indicates the maximum number of blocks any single file can
|
||||
allocate out of a cylinder group before it is forced to begin
|
||||
allocating blocks from another cylinder group.
|
||||
The default is about one quarter of the total blocks in a cylinder group.
|
||||
See
|
||||
.Xr tunefs 8
|
||||
for more details on how to set this option.
|
||||
.It Fl f Ar frag-size
|
||||
The fragment size of the file system in bytes.
|
||||
.It Fl i Ar number of bytes per inode
|
||||
This specifies the density of inodes in the file system.
|
||||
The default is to create an inode for each 2048 bytes of data space.
|
||||
If fewer inodes are desired, a larger number should be used;
|
||||
to create more inodes a smaller number should be given.
|
||||
.It Fl m Ar free space \&%
|
||||
The percentage of space reserved from normal users; the minimum free
|
||||
space threshold.
|
||||
The default value used is 10%.
|
||||
See
|
||||
.Xr tunefs 8
|
||||
for more details on how to set this option.
|
||||
.It Fl n Ar rotational\ positions
|
||||
Determines how many rotational time slots there are in
|
||||
one revolution of the disk.
|
||||
.It Fl o Ar optimization\ preference
|
||||
.Pq ``space'' or ``time''
|
||||
The file system can either be instructed to try to minimize the time spent
|
||||
allocating blocks, or to try to minimize the space fragmentation on the disk.
|
||||
If the value of minfree (see above) is less than 10%,
|
||||
the default is to optimize for space;
|
||||
if the value of minfree is greater than or equal to 10%,
|
||||
the default is to optimize for time.
|
||||
See
|
||||
.Xr tunefs 8
|
||||
for more details on how to set this option.
|
||||
.It Fl s Ar size
|
||||
The size of the file system in sectors.
|
||||
.El
|
||||
.Pp
|
||||
The following options override the standard sizes for the disk geometry.
|
||||
Their default values are taken from the disk label.
|
||||
Changing these defaults is useful only when using
|
||||
.Nm newfs
|
||||
to build a file system whose raw image will eventually be used on a
|
||||
different type of disk than the one on which it is initially created
|
||||
(for example on a write-once disk).
|
||||
Note that changing any of these values from their defaults will make
|
||||
it impossible for
|
||||
.Xr fsck
|
||||
to find the alternate superblocks if the standard superblock is lost.
|
||||
.Bl -tag -width Fl
|
||||
.It Fl S Ar sector-size
|
||||
The size of a sector in bytes (almost never anything but 512).
|
||||
.It Fl k Ar sector \&0 skew , per track
|
||||
Used to describe perturbations in the media format to compensate for
|
||||
a slow controller.
|
||||
Track skew is the offset of sector 0 on track N relative to sector 0
|
||||
on track N-1 on the same cylinder.
|
||||
.It Fl l Ar hardware sector interleave
|
||||
Used to describe perturbations in the media format to compensate for
|
||||
a slow controller.
|
||||
Interleave is physical sector interleave on each track,
|
||||
specified as the denominator of the ratio:
|
||||
.Dl sectors read/sectors passed over
|
||||
Thus an interleave of 1/1 implies contiguous layout, while 1/2 implies
|
||||
logical sector 0 is separated by one sector from logical sector 1.
|
||||
.It Fl p Ar spare sectors per track
|
||||
Spare sectors (bad sector replacements) are physical sectors that occupy
|
||||
space at the end of each track.
|
||||
They are not counted as part of the sectors/track
|
||||
.Pq Fl u
|
||||
since they are not available to the file system for data allocation.
|
||||
.It Fl r Ar revolutions/minute
|
||||
The speed of the disk in revolutions per minute.
|
||||
.ne 1i
|
||||
.It Fl t Ar #tracks/cylinder
|
||||
The number of tracks/cylinder available for data allocation by the file
|
||||
system.
|
||||
.It Fl u Ar sectors/track
|
||||
The number of sectors per track available for data allocation by the file
|
||||
system.
|
||||
This does not include sectors reserved at the end of each track for bad
|
||||
block replacement (see the
|
||||
.Fl p
|
||||
option.)
|
||||
.It Fl x Ar spare sectors per cylinder
|
||||
Spare sectors (bad sector replacements) are physical sectors that occupy
|
||||
space at the end of the last track in the cylinder.
|
||||
They are deducted from the sectors/track
|
||||
.Pq Fl u
|
||||
of the last track of each cylinder since they are not available to the file
|
||||
system for data allocation.
|
||||
.El
|
||||
.Pp
|
||||
The options to the
|
||||
.Nm mount_mfs
|
||||
command are as described for the
|
||||
.Nm newfs
|
||||
command, except for the
|
||||
.Fl o
|
||||
option.
|
||||
.Pp
|
||||
That option is as follows:
|
||||
.Bl -tag -width indent
|
||||
.It Fl o
|
||||
Options are specified with a
|
||||
.Fl o
|
||||
flag followed by a comma separated string of options.
|
||||
See the
|
||||
.Xr mount 8
|
||||
man page for possible options and their meanings.
|
||||
.El
|
||||
.Sh SEE ALSO
|
||||
.Xr disktab 5 ,
|
||||
.Xr fs 5 ,
|
||||
.Xr dumpfs 8 ,
|
||||
.Xr disklabel 8 ,
|
||||
.Xr diskpart 8 ,
|
||||
.Xr fsck 8 ,
|
||||
.Xr format 8 ,
|
||||
.Xr mount 8 ,
|
||||
.Xr tunefs 8
|
||||
.Rs
|
||||
.%A M. McKusick
|
||||
.%A W. Joy
|
||||
.%A S. Leffler
|
||||
.%A R. Fabry
|
||||
.%T A Fast File System for UNIX ,
|
||||
.%J ACM Transactions on Computer Systems 2
|
||||
.%V 3
|
||||
.%P pp 181-197
|
||||
.%D August 1984
|
||||
.%O (reprinted in the BSD System Manager's Manual)
|
||||
.Re
|
||||
.Sh HISTORY
|
||||
The
|
||||
.Nm
|
||||
command appeared in
|
||||
.Bx 4.2 .
|
||||
681
sbin/newfs/newfs.c
Normal file
681
sbin/newfs/newfs.c
Normal file
@ -0,0 +1,681 @@
|
||||
/*
|
||||
* Copyright (c) 1983, 1989, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* 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 by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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 lint
|
||||
static char sccsid[] = "@(#)newfs.c 8.13 (Berkeley) 5/1/95";
|
||||
#endif /* not lint */
|
||||
|
||||
#ifndef lint
|
||||
static char copyright[] =
|
||||
"@(#) Copyright (c) 1983, 1989, 1993, 1994\n\
|
||||
The Regents of the University of California. All rights reserved.\n";
|
||||
#endif /* not lint */
|
||||
|
||||
/*
|
||||
* newfs: friendly front end to mkfs
|
||||
*/
|
||||
#include <sys/param.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/disklabel.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/mount.h>
|
||||
|
||||
#include <ufs/ufs/dir.h>
|
||||
#include <ufs/ufs/dinode.h>
|
||||
#include <ufs/ffs/fs.h>
|
||||
#include <ufs/ufs/ufsmount.h>
|
||||
|
||||
#include <ctype.h>
|
||||
#include <errno.h>
|
||||
#include <paths.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <syslog.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#if __STDC__
|
||||
#include <stdarg.h>
|
||||
#else
|
||||
#include <varargs.h>
|
||||
#endif
|
||||
|
||||
#include "mntopts.h"
|
||||
|
||||
struct mntopt mopts[] = {
|
||||
MOPT_STDOPTS,
|
||||
MOPT_ASYNC,
|
||||
{ NULL },
|
||||
};
|
||||
|
||||
#if __STDC__
|
||||
void fatal(const char *fmt, ...);
|
||||
#else
|
||||
void fatal();
|
||||
#endif
|
||||
|
||||
#define COMPAT /* allow non-labeled disks */
|
||||
|
||||
/*
|
||||
* The following two constants set the default block and fragment sizes.
|
||||
* Both constants must be a power of 2 and meet the following constraints:
|
||||
* MINBSIZE <= DESBLKSIZE <= MAXBSIZE
|
||||
* sectorsize <= DESFRAGSIZE <= DESBLKSIZE
|
||||
* DESBLKSIZE / DESFRAGSIZE <= 8
|
||||
*/
|
||||
#define DFL_FRAGSIZE 1024
|
||||
#define DFL_BLKSIZE 8192
|
||||
|
||||
/*
|
||||
* Cylinder groups may have up to many cylinders. The actual
|
||||
* number used depends upon how much information can be stored
|
||||
* on a single cylinder. The default is to use 16 cylinders
|
||||
* per group.
|
||||
*/
|
||||
#define DESCPG 16 /* desired fs_cpg */
|
||||
|
||||
/*
|
||||
* ROTDELAY gives the minimum number of milliseconds to initiate
|
||||
* another disk transfer on the same cylinder. It is used in
|
||||
* determining the rotationally optimal layout for disk blocks
|
||||
* within a file; the default of fs_rotdelay is 4ms.
|
||||
*/
|
||||
#define ROTDELAY 4
|
||||
|
||||
/*
|
||||
* MAXBLKPG determines the maximum number of data blocks which are
|
||||
* placed in a single cylinder group. The default is one indirect
|
||||
* block worth of data blocks.
|
||||
*/
|
||||
#define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t))
|
||||
|
||||
/*
|
||||
* Each file system has a number of inodes statically allocated.
|
||||
* We allocate one inode slot per NFPI fragments, expecting this
|
||||
* to be far more than we will ever need.
|
||||
*/
|
||||
#define NFPI 4
|
||||
|
||||
/*
|
||||
* For each cylinder we keep track of the availability of blocks at different
|
||||
* rotational positions, so that we can lay out the data to be picked
|
||||
* up with minimum rotational latency. NRPOS is the default number of
|
||||
* rotational positions that we distinguish. With NRPOS of 8 the resolution
|
||||
* of our summary information is 2ms for a typical 3600 rpm drive.
|
||||
*/
|
||||
#define NRPOS 8 /* number distinct rotational positions */
|
||||
|
||||
|
||||
int mfs; /* run as the memory based filesystem */
|
||||
int Nflag; /* run without writing file system */
|
||||
int Oflag; /* format as an 4.3BSD file system */
|
||||
int fssize; /* file system size */
|
||||
int ntracks; /* # tracks/cylinder */
|
||||
int nsectors; /* # sectors/track */
|
||||
int nphyssectors; /* # sectors/track including spares */
|
||||
int secpercyl; /* sectors per cylinder */
|
||||
int trackspares = -1; /* spare sectors per track */
|
||||
int cylspares = -1; /* spare sectors per cylinder */
|
||||
int sectorsize; /* bytes/sector */
|
||||
#ifdef tahoe
|
||||
int realsectorsize; /* bytes/sector in hardware */
|
||||
#endif
|
||||
int rpm; /* revolutions/minute of drive */
|
||||
int interleave; /* hardware sector interleave */
|
||||
int trackskew = -1; /* sector 0 skew, per track */
|
||||
int headswitch; /* head switch time, usec */
|
||||
int trackseek; /* track-to-track seek, usec */
|
||||
int fsize = 0; /* fragment size */
|
||||
int bsize = 0; /* block size */
|
||||
int cpg = DESCPG; /* cylinders/cylinder group */
|
||||
int cpgflg; /* cylinders/cylinder group flag was given */
|
||||
int minfree = MINFREE; /* free space threshold */
|
||||
int opt = DEFAULTOPT; /* optimization preference (space or time) */
|
||||
int density; /* number of bytes per inode */
|
||||
int maxcontig = 0; /* max contiguous blocks to allocate */
|
||||
int rotdelay = ROTDELAY; /* rotational delay between blocks */
|
||||
int maxbpg; /* maximum blocks per file in a cyl group */
|
||||
int nrpos = NRPOS; /* # of distinguished rotational positions */
|
||||
int bbsize = BBSIZE; /* boot block size */
|
||||
int sbsize = SBSIZE; /* superblock size */
|
||||
int mntflags = MNT_ASYNC; /* flags to be passed to mount */
|
||||
u_long memleft; /* virtual memory available */
|
||||
caddr_t membase; /* start address of memory based filesystem */
|
||||
#ifdef COMPAT
|
||||
char *disktype;
|
||||
int unlabeled;
|
||||
#endif
|
||||
|
||||
char device[MAXPATHLEN];
|
||||
char *progname;
|
||||
|
||||
int
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
{
|
||||
extern char *optarg;
|
||||
extern int optind;
|
||||
register int ch;
|
||||
register struct partition *pp;
|
||||
register struct disklabel *lp;
|
||||
struct disklabel *getdisklabel();
|
||||
struct partition oldpartition;
|
||||
struct stat st;
|
||||
struct statfs *mp;
|
||||
int fsi, fso, len, n;
|
||||
char *cp, *s1, *s2, *special, *opstring, buf[BUFSIZ];
|
||||
|
||||
if (progname = strrchr(*argv, '/'))
|
||||
++progname;
|
||||
else
|
||||
progname = *argv;
|
||||
|
||||
if (strstr(progname, "mfs")) {
|
||||
mfs = 1;
|
||||
Nflag++;
|
||||
}
|
||||
|
||||
opstring = mfs ?
|
||||
"NT:a:b:c:d:e:f:i:m:o:s:" :
|
||||
"NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:";
|
||||
while ((ch = getopt(argc, argv, opstring)) != EOF)
|
||||
switch (ch) {
|
||||
case 'N':
|
||||
Nflag = 1;
|
||||
break;
|
||||
case 'O':
|
||||
Oflag = 1;
|
||||
break;
|
||||
case 'S':
|
||||
if ((sectorsize = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad sector size", optarg);
|
||||
break;
|
||||
#ifdef COMPAT
|
||||
case 'T':
|
||||
disktype = optarg;
|
||||
break;
|
||||
#endif
|
||||
case 'a':
|
||||
if ((maxcontig = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad maximum contiguous blocks\n",
|
||||
optarg);
|
||||
break;
|
||||
case 'b':
|
||||
if ((bsize = atoi(optarg)) < MINBSIZE)
|
||||
fatal("%s: bad block size", optarg);
|
||||
break;
|
||||
case 'c':
|
||||
if ((cpg = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad cylinders/group", optarg);
|
||||
cpgflg++;
|
||||
break;
|
||||
case 'd':
|
||||
if ((rotdelay = atoi(optarg)) < 0)
|
||||
fatal("%s: bad rotational delay\n", optarg);
|
||||
break;
|
||||
case 'e':
|
||||
if ((maxbpg = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad blocks per file in a cylinder group\n",
|
||||
optarg);
|
||||
break;
|
||||
case 'f':
|
||||
if ((fsize = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad fragment size", optarg);
|
||||
break;
|
||||
case 'i':
|
||||
if ((density = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad bytes per inode\n", optarg);
|
||||
break;
|
||||
case 'k':
|
||||
if ((trackskew = atoi(optarg)) < 0)
|
||||
fatal("%s: bad track skew", optarg);
|
||||
break;
|
||||
case 'l':
|
||||
if ((interleave = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad interleave", optarg);
|
||||
break;
|
||||
case 'm':
|
||||
if ((minfree = atoi(optarg)) < 0 || minfree > 99)
|
||||
fatal("%s: bad free space %%\n", optarg);
|
||||
break;
|
||||
case 'n':
|
||||
if ((nrpos = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad rotational layout count\n",
|
||||
optarg);
|
||||
break;
|
||||
case 'o':
|
||||
if (mfs)
|
||||
getmntopts(optarg, mopts, &mntflags, 0);
|
||||
else {
|
||||
if (strcmp(optarg, "space") == 0)
|
||||
opt = FS_OPTSPACE;
|
||||
else if (strcmp(optarg, "time") == 0)
|
||||
opt = FS_OPTTIME;
|
||||
else
|
||||
fatal("%s: unknown optimization preference: use `space' or `time'.");
|
||||
}
|
||||
break;
|
||||
case 'p':
|
||||
if ((trackspares = atoi(optarg)) < 0)
|
||||
fatal("%s: bad spare sectors per track",
|
||||
optarg);
|
||||
break;
|
||||
case 'r':
|
||||
if ((rpm = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad revolutions/minute\n", optarg);
|
||||
break;
|
||||
case 's':
|
||||
if ((fssize = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad file system size", optarg);
|
||||
break;
|
||||
case 't':
|
||||
if ((ntracks = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad total tracks", optarg);
|
||||
break;
|
||||
case 'u':
|
||||
if ((nsectors = atoi(optarg)) <= 0)
|
||||
fatal("%s: bad sectors/track", optarg);
|
||||
break;
|
||||
case 'x':
|
||||
if ((cylspares = atoi(optarg)) < 0)
|
||||
fatal("%s: bad spare sectors per cylinder",
|
||||
optarg);
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
usage();
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (argc != 2 && (mfs || argc != 1))
|
||||
usage();
|
||||
|
||||
special = argv[0];
|
||||
cp = strrchr(special, '/');
|
||||
if (cp == 0) {
|
||||
/*
|
||||
* No path prefix; try /dev/r%s then /dev/%s.
|
||||
*/
|
||||
(void)sprintf(device, "%sr%s", _PATH_DEV, special);
|
||||
if (stat(device, &st) == -1)
|
||||
(void)sprintf(device, "%s%s", _PATH_DEV, special);
|
||||
special = device;
|
||||
}
|
||||
if (Nflag) {
|
||||
fso = -1;
|
||||
} else {
|
||||
fso = open(special, O_WRONLY);
|
||||
if (fso < 0)
|
||||
fatal("%s: %s", special, strerror(errno));
|
||||
|
||||
/* Bail if target special is mounted */
|
||||
n = getmntinfo(&mp, MNT_NOWAIT);
|
||||
if (n == 0)
|
||||
fatal("%s: getmntinfo: %s", special, strerror(errno));
|
||||
|
||||
len = sizeof(_PATH_DEV) - 1;
|
||||
s1 = special;
|
||||
if (strncmp(_PATH_DEV, s1, len) == 0)
|
||||
s1 += len;
|
||||
|
||||
while (--n >= 0) {
|
||||
s2 = mp->f_mntfromname;
|
||||
if (strncmp(_PATH_DEV, s2, len) == 0) {
|
||||
s2 += len - 1;
|
||||
*s2 = 'r';
|
||||
}
|
||||
if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0)
|
||||
fatal("%s is mounted on %s",
|
||||
special, mp->f_mntonname);
|
||||
++mp;
|
||||
}
|
||||
}
|
||||
if (mfs && disktype != NULL) {
|
||||
lp = (struct disklabel *)getdiskbyname(disktype);
|
||||
if (lp == NULL)
|
||||
fatal("%s: unknown disk type", disktype);
|
||||
pp = &lp->d_partitions[1];
|
||||
} else {
|
||||
fsi = open(special, O_RDONLY);
|
||||
if (fsi < 0)
|
||||
fatal("%s: %s", special, strerror(errno));
|
||||
if (fstat(fsi, &st) < 0)
|
||||
fatal("%s: %s", special, strerror(errno));
|
||||
if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs)
|
||||
printf("%s: %s: not a character-special device\n",
|
||||
progname, special);
|
||||
cp = strchr(argv[0], '\0') - 1;
|
||||
if (cp == (char *)-1 ||
|
||||
(*cp < 'a' || *cp > 'h') && !isdigit(*cp))
|
||||
fatal("%s: can't figure out file system partition",
|
||||
argv[0]);
|
||||
#ifdef COMPAT
|
||||
if (!mfs && disktype == NULL)
|
||||
disktype = argv[1];
|
||||
#endif
|
||||
lp = getdisklabel(special, fsi);
|
||||
if (isdigit(*cp))
|
||||
pp = &lp->d_partitions[0];
|
||||
else
|
||||
pp = &lp->d_partitions[*cp - 'a'];
|
||||
if (pp->p_size == 0)
|
||||
fatal("%s: `%c' partition is unavailable",
|
||||
argv[0], *cp);
|
||||
if (pp->p_fstype == FS_BOOT)
|
||||
fatal("%s: `%c' partition overlaps boot program",
|
||||
argv[0], *cp);
|
||||
}
|
||||
if (fssize == 0)
|
||||
fssize = pp->p_size;
|
||||
if (fssize > pp->p_size && !mfs)
|
||||
fatal("%s: maximum file system size on the `%c' partition is %d",
|
||||
argv[0], *cp, pp->p_size);
|
||||
if (rpm == 0) {
|
||||
rpm = lp->d_rpm;
|
||||
if (rpm <= 0)
|
||||
rpm = 3600;
|
||||
}
|
||||
if (ntracks == 0) {
|
||||
ntracks = lp->d_ntracks;
|
||||
if (ntracks <= 0)
|
||||
fatal("%s: no default #tracks", argv[0]);
|
||||
}
|
||||
if (nsectors == 0) {
|
||||
nsectors = lp->d_nsectors;
|
||||
if (nsectors <= 0)
|
||||
fatal("%s: no default #sectors/track", argv[0]);
|
||||
}
|
||||
if (sectorsize == 0) {
|
||||
sectorsize = lp->d_secsize;
|
||||
if (sectorsize <= 0)
|
||||
fatal("%s: no default sector size", argv[0]);
|
||||
}
|
||||
if (trackskew == -1) {
|
||||
trackskew = lp->d_trackskew;
|
||||
if (trackskew < 0)
|
||||
trackskew = 0;
|
||||
}
|
||||
if (interleave == 0) {
|
||||
interleave = lp->d_interleave;
|
||||
if (interleave <= 0)
|
||||
interleave = 1;
|
||||
}
|
||||
if (fsize == 0) {
|
||||
fsize = pp->p_fsize;
|
||||
if (fsize <= 0)
|
||||
fsize = MAX(DFL_FRAGSIZE, lp->d_secsize);
|
||||
}
|
||||
if (bsize == 0) {
|
||||
bsize = pp->p_frag * pp->p_fsize;
|
||||
if (bsize <= 0)
|
||||
bsize = MIN(DFL_BLKSIZE, 8 * fsize);
|
||||
}
|
||||
/*
|
||||
* Maxcontig sets the default for the maximum number of blocks
|
||||
* that may be allocated sequentially. With filesystem clustering
|
||||
* it is possible to allocate contiguous blocks up to the maximum
|
||||
* transfer size permitted by the controller or buffering.
|
||||
*/
|
||||
if (maxcontig == 0)
|
||||
maxcontig = MAX(1, MIN(MAXPHYS, MAXBSIZE) / bsize);
|
||||
if (density == 0)
|
||||
density = NFPI * fsize;
|
||||
if (minfree < MINFREE && opt != FS_OPTSPACE) {
|
||||
fprintf(stderr, "Warning: changing optimization to space ");
|
||||
fprintf(stderr, "because minfree is less than %d%%\n", MINFREE);
|
||||
opt = FS_OPTSPACE;
|
||||
}
|
||||
if (trackspares == -1) {
|
||||
trackspares = lp->d_sparespertrack;
|
||||
if (trackspares < 0)
|
||||
trackspares = 0;
|
||||
}
|
||||
nphyssectors = nsectors + trackspares;
|
||||
if (cylspares == -1) {
|
||||
cylspares = lp->d_sparespercyl;
|
||||
if (cylspares < 0)
|
||||
cylspares = 0;
|
||||
}
|
||||
secpercyl = nsectors * ntracks - cylspares;
|
||||
if (secpercyl != lp->d_secpercyl)
|
||||
fprintf(stderr, "%s (%d) %s (%lu)\n",
|
||||
"Warning: calculated sectors per cylinder", secpercyl,
|
||||
"disagrees with disk label", lp->d_secpercyl);
|
||||
if (maxbpg == 0)
|
||||
maxbpg = MAXBLKPG(bsize);
|
||||
headswitch = lp->d_headswitch;
|
||||
trackseek = lp->d_trkseek;
|
||||
#ifdef notdef /* label may be 0 if faked up by kernel */
|
||||
bbsize = lp->d_bbsize;
|
||||
sbsize = lp->d_sbsize;
|
||||
#endif
|
||||
oldpartition = *pp;
|
||||
#ifdef tahoe
|
||||
realsectorsize = sectorsize;
|
||||
if (sectorsize != DEV_BSIZE) { /* XXX */
|
||||
int secperblk = DEV_BSIZE / sectorsize;
|
||||
|
||||
sectorsize = DEV_BSIZE;
|
||||
nsectors /= secperblk;
|
||||
nphyssectors /= secperblk;
|
||||
secpercyl /= secperblk;
|
||||
fssize /= secperblk;
|
||||
pp->p_size /= secperblk;
|
||||
}
|
||||
#endif
|
||||
mkfs(pp, special, fsi, fso);
|
||||
#ifdef tahoe
|
||||
if (realsectorsize != DEV_BSIZE)
|
||||
pp->p_size *= DEV_BSIZE / realsectorsize;
|
||||
#endif
|
||||
if (!Nflag && memcmp(pp, &oldpartition, sizeof(oldpartition)))
|
||||
rewritelabel(special, fso, lp);
|
||||
if (!Nflag)
|
||||
close(fso);
|
||||
close(fsi);
|
||||
#ifdef MFS
|
||||
if (mfs) {
|
||||
struct mfs_args args;
|
||||
|
||||
sprintf(buf, "mfs:%d", getpid());
|
||||
args.fspec = buf;
|
||||
args.export.ex_root = -2;
|
||||
if (mntflags & MNT_RDONLY)
|
||||
args.export.ex_flags = MNT_EXRDONLY;
|
||||
else
|
||||
args.export.ex_flags = 0;
|
||||
args.base = membase;
|
||||
args.size = fssize * sectorsize;
|
||||
if (mount("mfs", argv[1], mntflags, &args) < 0)
|
||||
fatal("%s: %s", argv[1], strerror(errno));
|
||||
}
|
||||
#endif
|
||||
exit(0);
|
||||
}
|
||||
|
||||
#ifdef COMPAT
|
||||
char lmsg[] = "%s: can't read disk label; disk type must be specified";
|
||||
#else
|
||||
char lmsg[] = "%s: can't read disk label";
|
||||
#endif
|
||||
|
||||
struct disklabel *
|
||||
getdisklabel(s, fd)
|
||||
char *s;
|
||||
int fd;
|
||||
{
|
||||
static struct disklabel lab;
|
||||
|
||||
if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
|
||||
#ifdef COMPAT
|
||||
if (disktype) {
|
||||
struct disklabel *lp, *getdiskbyname();
|
||||
|
||||
unlabeled++;
|
||||
lp = getdiskbyname(disktype);
|
||||
if (lp == NULL)
|
||||
fatal("%s: unknown disk type", disktype);
|
||||
return (lp);
|
||||
}
|
||||
#endif
|
||||
warn("ioctl (GDINFO)");
|
||||
fatal(lmsg, s);
|
||||
}
|
||||
return (&lab);
|
||||
}
|
||||
|
||||
rewritelabel(s, fd, lp)
|
||||
char *s;
|
||||
int fd;
|
||||
register struct disklabel *lp;
|
||||
{
|
||||
#ifdef COMPAT
|
||||
if (unlabeled)
|
||||
return;
|
||||
#endif
|
||||
lp->d_checksum = 0;
|
||||
lp->d_checksum = dkcksum(lp);
|
||||
if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) {
|
||||
warn("ioctl (WDINFO)");
|
||||
fatal("%s: can't rewrite disk label", s);
|
||||
}
|
||||
#if vax
|
||||
if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) {
|
||||
register i;
|
||||
int cfd;
|
||||
daddr_t alt;
|
||||
char specname[64];
|
||||
char blk[1024];
|
||||
char *cp;
|
||||
|
||||
/*
|
||||
* Make name for 'c' partition.
|
||||
*/
|
||||
strcpy(specname, s);
|
||||
cp = specname + strlen(specname) - 1;
|
||||
if (!isdigit(*cp))
|
||||
*cp = 'c';
|
||||
cfd = open(specname, O_WRONLY);
|
||||
if (cfd < 0)
|
||||
fatal("%s: %s", specname, strerror(errno));
|
||||
memset(blk, 0, sizeof(blk));
|
||||
*(struct disklabel *)(blk + LABELOFFSET) = *lp;
|
||||
alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors;
|
||||
for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) {
|
||||
if (lseek(cfd, (off_t)(alt + i) * lp->d_secsize,
|
||||
L_SET) == -1)
|
||||
fatal("lseek to badsector area: %s",
|
||||
strerror(errno));
|
||||
if (write(cfd, blk, lp->d_secsize) < lp->d_secsize)
|
||||
warn("alternate label %d write", i/2);
|
||||
}
|
||||
close(cfd);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/*VARARGS*/
|
||||
void
|
||||
#if __STDC__
|
||||
fatal(const char *fmt, ...)
|
||||
#else
|
||||
fatal(fmt, va_alist)
|
||||
char *fmt;
|
||||
va_dcl
|
||||
#endif
|
||||
{
|
||||
va_list ap;
|
||||
|
||||
#if __STDC__
|
||||
va_start(ap, fmt);
|
||||
#else
|
||||
va_start(ap);
|
||||
#endif
|
||||
if (fcntl(STDERR_FILENO, F_GETFL) < 0) {
|
||||
openlog(progname, LOG_CONS, LOG_DAEMON);
|
||||
vsyslog(LOG_ERR, fmt, ap);
|
||||
closelog();
|
||||
} else {
|
||||
vwarnx(fmt, ap);
|
||||
}
|
||||
va_end(ap);
|
||||
exit(1);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
usage()
|
||||
{
|
||||
if (mfs) {
|
||||
fprintf(stderr,
|
||||
"usage: %s [ -fsoptions ] special-device mount-point\n",
|
||||
progname);
|
||||
} else
|
||||
fprintf(stderr,
|
||||
"usage: %s [ -fsoptions ] special-device%s\n",
|
||||
progname,
|
||||
#ifdef COMPAT
|
||||
" [device-type]");
|
||||
#else
|
||||
"");
|
||||
#endif
|
||||
fprintf(stderr, "where fsoptions are:\n");
|
||||
fprintf(stderr,
|
||||
"\t-N do not create file system, just print out parameters\n");
|
||||
fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n");
|
||||
fprintf(stderr, "\t-S sector size\n");
|
||||
#ifdef COMPAT
|
||||
fprintf(stderr, "\t-T disktype\n");
|
||||
#endif
|
||||
fprintf(stderr, "\t-a maximum contiguous blocks\n");
|
||||
fprintf(stderr, "\t-b block size\n");
|
||||
fprintf(stderr, "\t-c cylinders/group\n");
|
||||
fprintf(stderr, "\t-d rotational delay between contiguous blocks\n");
|
||||
fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n");
|
||||
fprintf(stderr, "\t-f frag size\n");
|
||||
fprintf(stderr, "\t-i number of bytes per inode\n");
|
||||
fprintf(stderr, "\t-k sector 0 skew, per track\n");
|
||||
fprintf(stderr, "\t-l hardware sector interleave\n");
|
||||
fprintf(stderr, "\t-m minimum free space %%\n");
|
||||
fprintf(stderr, "\t-n number of distinguished rotational positions\n");
|
||||
fprintf(stderr, "\t-o optimization preference (`space' or `time')\n");
|
||||
fprintf(stderr, "\t-p spare sectors per track\n");
|
||||
fprintf(stderr, "\t-s file system size (sectors)\n");
|
||||
fprintf(stderr, "\t-r revolutions/minute\n");
|
||||
fprintf(stderr, "\t-t tracks/cylinder\n");
|
||||
fprintf(stderr, "\t-u sectors/track\n");
|
||||
fprintf(stderr, "\t-x spare sectors per cylinder\n");
|
||||
exit(1);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user