[src/trunk]: src/sys/dev/raidframe A value of 1 for tracks/cylinder in the di...

[oster <oster%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/66fd9329687d
branches:  trunk
changeset: 508037:66fd9329687d
user:      oster <oster%NetBSD.org@localhost>
date:      Thu Apr 05 02:48:51 2001 +0000

description:
A value of 1 for tracks/cylinder in the disklabel is apparently sub-optimal.
Thus we choose "4 * number_of_columns" as a more reasonable
value (until someone comes up with something better).
This pretends to properly address PR#11989.

diffstat:

 sys/dev/raidframe/rf_netbsdkintf.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 6c1fb9b97124 -r 66fd9329687d sys/dev/raidframe/rf_netbsdkintf.c
--- a/sys/dev/raidframe/rf_netbsdkintf.c        Thu Apr 05 02:28:53 2001 +0000
+++ b/sys/dev/raidframe/rf_netbsdkintf.c        Thu Apr 05 02:48:51 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rf_netbsdkintf.c,v 1.104 2001/01/27 20:42:20 oster Exp $       */
+/*     $NetBSD: rf_netbsdkintf.c,v 1.105 2001/04/05 02:48:51 oster Exp $       */
 /*-
  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -1986,7 +1986,7 @@
        lp->d_secperunit = raidPtr->totalSectors;
        lp->d_secsize = raidPtr->bytesPerSector;
        lp->d_nsectors = raidPtr->Layout.dataSectorsPerStripe;
-       lp->d_ntracks = 1;
+       lp->d_ntracks = 4 * raidPtr->numCol;
        lp->d_ncylinders = raidPtr->totalSectors / 
                (lp->d_nsectors * lp->d_ntracks);
        lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;