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author | Karel Zak | 2007-06-29 12:06:58 +0200 |
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committer | Karel Zak | 2007-06-29 12:06:58 +0200 |
commit | a424171cd15ca39da64e8b3ba0c38ca814f981f1 (patch) | |
tree | 56edb597966fc6956a0c77996f5023633b6ae118 | |
parent | blockdev: add BLKFRAGET/BLKFRASET ioctls (diff) | |
download | kernel-qcow2-util-linux-a424171cd15ca39da64e8b3ba0c38ca814f981f1.tar.gz kernel-qcow2-util-linux-a424171cd15ca39da64e8b3ba0c38ca814f981f1.tar.xz kernel-qcow2-util-linux-a424171cd15ca39da64e8b3ba0c38ca814f981f1.zip |
blockdev: cleanup usage() and update man page
Signed-off-by: Karel Zak <kzak@redhat.com>
-rw-r--r-- | disk-utils/blockdev.8 | 22 | ||||
-rw-r--r-- | disk-utils/blockdev.c | 18 |
2 files changed, 32 insertions, 8 deletions
diff --git a/disk-utils/blockdev.8 b/disk-utils/blockdev.8 index 86c29dd2f..db7096eb9 100644 --- a/disk-utils/blockdev.8 +++ b/disk-utils/blockdev.8 @@ -1,8 +1,9 @@ .\" -*- nroff -*- .\" Copyright 1998 Andries E. Brouwer (aeb@cwi.nl) +.\" Copyright 2007 Karel Zak <kzak@redhat.com> .\" .\" May be distributed under the GNU General Public License -.TH BLOCKDEV 8 "May 2000" "" +.TH BLOCKDEV 8 "Jun 2007" "" .SH NAME blockdev \- call block device ioctls from the command line .SH SYNOPSIS @@ -37,8 +38,19 @@ Get read-only. Print 1 if the device is read-only, 0 otherwise. .B \--getss Print sectorsize in bytes - usually 512. .TP +.B \--getbsz +Print blocksize in bytes. +.TP +.BI \--setbsz " N" +Set blocksize to +.I N +bytes. +.TP .B \--getsize -Print device capacity (in 512-byte sectors). +Print device size in sectors. +.TP +.B \--getsize64 +Print device size in bytes. .TP .BI \--setra " N" Set readahead to @@ -59,3 +71,9 @@ Flush buffers. .TP .B \--rereadpt Reread partition table. +.SH AUTHOR +blockdev was written by Andries E. Brouwer. +.SH AVAILABILITY +blockdev is part of the util-linux-ng package and is available from +ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/. + diff --git a/disk-utils/blockdev.c b/disk-utils/blockdev.c index 6cd038f10..46b7fa719 100644 --- a/disk-utils/blockdev.c +++ b/disk-utils/blockdev.c @@ -108,20 +108,26 @@ struct bdc { static void usage(void) { int i; + fputc('\n', stderr); fprintf(stderr, _("Usage:\n")); fprintf(stderr, " %s -V\n", progname); fprintf(stderr, _(" %s --report [devices]\n"), progname); fprintf(stderr, _(" %s [-v|-q] commands devices\n"), progname); + fputc('\n', stderr); + fprintf(stderr, _("Available commands:\n")); - fprintf(stderr, "\t--getsz\t(%s)\n", "get size in 512-byte sectors"); + fprintf(stderr, "\t%-30s %s\n", "--getsz", + "get size in 512-byte sectors"); for (i = 0; i < SIZE(bdcms); i++) { - fprintf(stderr, "\t%s", bdcms[i].name); if (bdcms[i].argname) - fprintf(stderr, " %s", bdcms[i].argname); - if (bdcms[i].help) - fprintf(stderr, "\t(%s)", _(bdcms[i].help)); - fprintf(stderr, "\n"); + fprintf(stderr, "\t%s %-*s %s\n", bdcms[i].name, + (int) (29 - strlen(bdcms[i].name)), + bdcms[i].argname, _(bdcms[i].help)); + else + fprintf(stderr, "\t%-30s %s\n", bdcms[i].name, + _(bdcms[i].help)); } + fputc('\n', stderr); exit(1); } |