[src/trunk]: src/sys/arch/amiga/amiga Fix space calculation for dump header. ...

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

details:   https://anonhg.NetBSD.org/src/rev/d19e0520cb5a
branches:  trunk
changeset: 338776:d19e0520cb5a
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Sun Jun 07 20:00:11 2015 +0000

description:
Fix space calculation for dump header. Round up to clicks to avoid
disk alignment issues.

diffstat:

 sys/arch/amiga/amiga/machdep.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 77a0d2a25db9 -r d19e0520cb5a sys/arch/amiga/amiga/machdep.c
--- a/sys/arch/amiga/amiga/machdep.c    Sun Jun 07 15:06:24 2015 +0000
+++ b/sys/arch/amiga/amiga/machdep.c    Sun Jun 07 20:00:11 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.243 2014/03/24 20:06:31 christos Exp $   */
+/*     $NetBSD: machdep.c,v 1.244 2015/06/07 20:00:11 mlelstv Exp $    */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -50,7 +50,7 @@
 #include "empm.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.243 2014/03/24 20:06:31 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.244 2015/06/07 20:00:11 mlelstv Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -535,7 +535,7 @@
                else if (dumplo == 0)
                        dumplo = nblks - btodb(ctob(dumpsize));
        }
-       --dumplo;       /* XXX assume header fits in one block */
+       dumplo -= btodb(ctob(btoc(MDHDRSIZE + ctob(1) - 1)));
        /*
         * Don't dump on the first PAGE_SIZE (why PAGE_SIZE?)
         * in case the dump device includes a disk label.