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| author | phk <phk@FreeBSD.org> | 2003-03-29 22:06:52 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-03-29 22:06:52 +0000 |
| commit | a931dc5a57f15ea83952c83762df583d7855e6af (patch) | |
| tree | f6f887f7ba2b6927501181f68c2743017399a3d7 /sbin/fdisk | |
| parent | 46dc207e19b88df2f1458fd0de816784af11270f (diff) | |
| download | FreeBSD-src-a931dc5a57f15ea83952c83762df583d7855e6af.zip FreeBSD-src-a931dc5a57f15ea83952c83762df583d7855e6af.tar.gz | |
Use default geometry in case the device doesn't provide one:
512 for sectorsize.
63 for sectors.
255 for heads.
This will mostly show up on MD(4) devices.
Diffstat (limited to 'sbin/fdisk')
| -rw-r--r-- | sbin/fdisk/fdisk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sbin/fdisk/fdisk.c b/sbin/fdisk/fdisk.c index db753fd..cea2317 100644 --- a/sbin/fdisk/fdisk.c +++ b/sbin/fdisk/fdisk.c @@ -780,15 +780,20 @@ get_params() error = ioctl(fd, DIOCGFWSECTORS, &u); if (error == 0) sectors = dos_sectors = u; + else + sectors = dos_sectors = 63; + error = ioctl(fd, DIOCGFWHEADS, &u); if (error == 0) heads = dos_heads = u; + else + heads = dos_heads = 255; dos_cylsecs = cylsecs = heads * sectors; disksecs = cyls * heads * sectors; error = ioctl(fd, DIOCGSECTORSIZE, &u); - if (error != 0) + if (error != 0 || u == 0) u = 512; error = ioctl(fd, DIOCGMEDIASIZE, &o); |
