[src/trunk]: src/sys/dev Notify disk subsystem of the current geometry.

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

details:   https://anonhg.NetBSD.org/src/rev/62a3b77fa207
branches:  trunk
changeset: 812813:62a3b77fa207
user:      hannken <hannken%NetBSD.org@localhost>
date:      Mon Jan 04 16:24:52 2016 +0000

description:
Notify disk subsystem of the current geometry.

Ok: Michael van Elst

diffstat:

 sys/dev/md.c |  15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diffs (43 lines):

diff -r cb32a4526cde -r 62a3b77fa207 sys/dev/md.c
--- a/sys/dev/md.c      Mon Jan 04 14:10:15 2016 +0000
+++ b/sys/dev/md.c      Mon Jan 04 16:24:52 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: md.c,v 1.75 2015/08/20 14:40:17 christos Exp $ */
+/*     $NetBSD: md.c,v 1.76 2016/01/04 16:24:52 hannken Exp $  */
 
 /*
  * Copyright (c) 1995 Gordon W. Ross, Leo Weppelman.
@@ -40,7 +40,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: md.c,v 1.75 2015/08/20 14:40:17 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: md.c,v 1.76 2016/01/04 16:24:52 hannken Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_md.h"
@@ -528,6 +528,7 @@
 static void
 md_set_disklabel(struct md_softc *sc)
 {
+       struct disk_geom *dg = &sc->sc_dkdev.dk_geom;
        struct disklabel *lp = sc->sc_dkdev.dk_label;
        struct partition *pp;
 
@@ -567,6 +568,16 @@
        lp->d_magic = DISKMAGIC;
        lp->d_magic2 = DISKMAGIC;
        lp->d_checksum = dkcksum(lp);
+
+       memset(dg, 0, sizeof(*dg));
+
+       dg->dg_secsize = lp->d_secsize;
+       dg->dg_secperunit = lp->d_secperunit;
+       dg->dg_nsectors = lp->d_nsectors;
+       dg->dg_ntracks = lp->d_ntracks = 64;;
+       dg->dg_ncylinders = lp->d_ncylinders;
+
+       disk_set_info(sc->sc_dev, &sc->sc_dkdev, NULL);
 }
 
 /*