diff options
| author | Kenneth R Westerback <krw@cvs.openbsd.org> | 2007-04-14 16:32:31 +0000 |
|---|---|---|
| committer | Kenneth R Westerback <krw@cvs.openbsd.org> | 2007-04-14 16:32:31 +0000 |
| commit | 74db31e87b70de03babb6ee563803521163e5252 (patch) | |
| tree | 0d889a7cc458504713ae3f1837484eb57f451af3 /sys/scsi/sd.c | |
| parent | dc4d794adbcc3968bb51cec49b0e1fb4d66de01e (diff) | |
For devices unwilling or unable to report geometry, change the 'fake'
geometry used to 255 heads and 63 sectors/track from 64 heads and 32
sectors. 255/63 makes the cylinders as large as PC/BIOS compatibility
allows, increasing the size of devices that can be supported.
ok pedro@ (long ago) marco@ millert@ weingart@
Diffstat (limited to 'sys/scsi/sd.c')
| -rw-r--r-- | sys/scsi/sd.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/scsi/sd.c b/sys/scsi/sd.c index 733d56b426a..c6eaf23e278 100644 --- a/sys/scsi/sd.c +++ b/sys/scsi/sd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sd.c,v 1.124 2007/04/13 18:56:26 krw Exp $ */ +/* $OpenBSD: sd.c,v 1.125 2007/04/14 16:32:30 krw Exp $ */ /* $NetBSD: sd.c,v 1.111 1997/04/02 02:29:41 mycroft Exp $ */ /*- @@ -1412,12 +1412,11 @@ validate: } /* - * Use Adaptec standard geometry values for anything we still don't - * know. + * Use standard geometry values for anything we still don't know. */ - dp->heads = (heads == 0) ? 64 : heads; - dp->sectors = (sectors == 0) ? 32 : sectors; + dp->heads = (heads == 0) ? 255 : heads; + dp->sectors = (sectors == 0) ? 63 : sectors; dp->rot_rate = (rpm == 0) ? 3600 : rpm; /* |