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If the disk reports a block size of 0, assume it really meant 512.

This commit is contained in:
mycroft 1995-01-16 21:40:17 +00:00
parent 4a1e51751b
commit a6e7fe0d2a
2 changed files with 10 additions and 4 deletions
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7
sys/dev/scsipi/sd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sd.c,v 1.52 1995/01/13 10:51:18 mycroft Exp $ */
/* $NetBSD: sd.c,v 1.53 1995/01/16 21:40:17 mycroft Exp $ */
/*
* Copyright (c) 1994 Charles Hannum. All rights reserved.
@ -811,12 +811,15 @@ sd_get_parms(sd, flags)
_3btol(&scsi_sense.pages.rigid_geometry.ncyl_2);
dp->blksize = _3btol(scsi_sense.blk_desc.blklen);
if (!dp->heads || !dp->cyls || !dp->blksize) {
if (dp->heads == 0 || dp->cyls == 0) {
printf("%s: mode sense (4) returned nonsense",
sd->sc_dev.dv_xname);
goto fake_it;
}
if (dp->blksize == 0)
dp->blksize = 512;
sectors = sd_size(sd, flags);
dp->disksize = sectors;
sectors /= (dp->heads * dp->cyls);

7
sys/scsi/sd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sd.c,v 1.52 1995/01/13 10:51:18 mycroft Exp $ */
/* $NetBSD: sd.c,v 1.53 1995/01/16 21:40:17 mycroft Exp $ */
/*
* Copyright (c) 1994 Charles Hannum. All rights reserved.
@ -811,12 +811,15 @@ sd_get_parms(sd, flags)
_3btol(&scsi_sense.pages.rigid_geometry.ncyl_2);
dp->blksize = _3btol(scsi_sense.blk_desc.blklen);
if (!dp->heads || !dp->cyls || !dp->blksize) {
if (dp->heads == 0 || dp->cyls == 0) {
printf("%s: mode sense (4) returned nonsense",
sd->sc_dev.dv_xname);
goto fake_it;
}
if (dp->blksize == 0)
dp->blksize = 512;
sectors = sd_size(sd, flags);
dp->disksize = sectors;
sectors /= (dp->heads * dp->cyls);