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Sort and unify a bit. Add more macros.

This commit is contained in:
wiz 2019-07-02 16:47:19 +00:00
parent 1b979fcca7
commit 400b2bc13c
1 changed files with 27 additions and 25 deletions
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52
sbin/disklabel/disklabel.8
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@ -1,4 +1,4 @@
.\" $NetBSD: disklabel.8,v 1.69 2019/07/02 16:23:47 mlelstv Exp $
.\" $NetBSD: disklabel.8,v 1.70 2019/07/02 16:47:19 wiz Exp $
.\"
.\" Copyright (c) 1987, 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -32,7 +32,7 @@
.\"
.\" @(#)disklabel.8 8.2 (Berkeley) 4/19/94
.\"
.Dd September 11, 2016
.Dd July 2, 2019
.Dt DISKLABEL 8
.Os
.Sh NAME
@ -104,9 +104,9 @@ When writing the label, it can be used to change the drive identification,
the disk partitions on the drive, or to replace a damaged label.
.Pp
The
.Fl e , i , l , R , w , N ,
.Fl e , i , l , N , R , W ,
and
.Fl W
.Fl w
options determine the basic operation.
If none are specified the label
is displayed.
@ -125,21 +125,21 @@ Interactively update the existing label and write it back to the disk.
.It Fl l
Show all known file system types (those that can be specified along a
partition within the label) and exit.
.It Fl N
Disallow writes to the disk sector that contains the label.
This is the default state.
.It Fl R
Write (restore) a label by reading it from
.Ar protofile .
The file should be in the same format as the default output.
.It Fl W
Allow writes to the disk sector that contains the label.
This state may not persist if no programs have the disk open.
.It Fl w
Write a standard label for the specified
.Ar disktype .
See
.Xr disktab 5 .
.It Fl N
Disallow writes to the disk sector that contains the label.
This is the default state.
.It Fl W
Allow writes to the disk sector that contains the label.
This state may not persist if no programs have the disk open.
.El
.Pp
The majority of the rest of the options affect more than one form of the
@ -192,35 +192,37 @@ even if
is specified.
Implies
.Fl r .
.It Fl f Ar disktab
Specify the name of a file to use instead of
.Pa /etc/disktab .
.It Fl I
If a label cannot be read from
.Ar disk
request the default one from the kernel.
Implies
.Fl r .
.It Fl f Ar disktab
Specify the name of a file to use instead of
.Pa /etc/disktab .
.It Fl L Ar sector
Specify the relative sector number of the disklabel
similar to the environment variable
.Ev DISKLABELSECTOR .
.It Fl M Ar machine
Specify the machine to generate a label for.
Defaults to the current machine it is compiled for.
Specific details can be overridden via environment
and with the options
.Fl B, L, O, p, m
.Fl B , L , m , n , O ,
and
.Fl n.
.It Fl L
num specify the relative sector number of the disklabel
similar to the environment variable DISKLABELSECTOR.
.It Fl O
num specify the relative byte offset of the disklabel.
similar to the environment variable DISKLABELOFFSET.
.It Fl P
num specify the size of the partition table.
.Fl P .
.It Fl m
expect the label to have an MBR.
Expect the label to have an MBR.
.It Fl n
expect the label not to have an MBR.
Expect the label not to have an MBR.
.It Fl O Ar offset
Specify the relative byte offset of the disklabel
similar to the environment variable
.Ev DISKLABELOFFSET .
.It Fl P Ar size
Specify the size of the partition table.
.It Fl r
Read/write the disk directly rather than using
.Xr ioctl 2