diff options
| -rw-r--r-- | sbin/fdisk/fdisk.8 | 7 | ||||
| -rw-r--r-- | sbin/fdisk/fdisk.c | 11 |
2 files changed, 13 insertions, 5 deletions
diff --git a/sbin/fdisk/fdisk.8 b/sbin/fdisk/fdisk.8 index 780ac3ca03b..c83ddb670c9 100644 --- a/sbin/fdisk/fdisk.8 +++ b/sbin/fdisk/fdisk.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: fdisk.8,v 1.103 2021/06/22 15:01:55 jmc Exp $ +.\" $OpenBSD: fdisk.8,v 1.104 2021/06/23 13:07:13 krw Exp $ .\" .\" .\" Copyright (c) 1997 Tobias Weingartner @@ -15,7 +15,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: June 22 2021 $ +.Dd $Mdocdate: June 23 2021 $ .Dt FDISK 8 .Os .Sh NAME @@ -144,8 +144,7 @@ MBR partition containing all available space not allocated by a .Fl b specification. .It Fl l Ar blocks -Specify the number of blocks in the disk, and force the MBR to be in LBA -mode only. +Treat the disk as if it has the specified number of blocks. .It Fl u Update MBR bootcode, preserving existing MBR partition table. The MBR bootcode extends from offset 0x000 to the start of the MBR partition diff --git a/sbin/fdisk/fdisk.c b/sbin/fdisk/fdisk.c index d6fee5a5976..c76ae1f366a 100644 --- a/sbin/fdisk/fdisk.c +++ b/sbin/fdisk/fdisk.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fdisk.c,v 1.111 2021/06/22 14:01:58 krw Exp $ */ +/* $OpenBSD: fdisk.c,v 1.112 2021/06/23 13:07:13 krw Exp $ */ /* * Copyright (c) 1997 Tobias Weingartner @@ -165,6 +165,15 @@ main(int argc, char *argv[]) b_sectors = DL_BLKTOSEC(&dl, b_sectors); b_offset = DL_BLKTOSEC(&dl, b_offset); } + if (l_arg > 0) { + if (l_arg % bps != 0) + l_arg += bps - l_arg % bps; + l_arg = DL_BLKTOSEC(&dl, l_arg); + disk.cylinders = l_arg / 64; + disk.heads = 1; + disk.sectors = 64; + disk.size = l_arg; + } /* "proc exec" for man page display */ if (pledge("stdio rpath wpath disklabel proc exec", NULL) == -1) |