[src/trunk]: src/usr.sbin/sysinst On device where we do not want a MBR (raid,...

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

details:   https://anonhg.NetBSD.org/src/rev/64e2efb96e8c
branches:  trunk
changeset: 1004342:64e2efb96e8c
user:      martin <martin%NetBSD.org@localhost>
date:      Fri Oct 25 12:49:58 2019 +0000

description:
On device where we do not want a MBR (raid, xbd) skip the MBR partitioning
scheme when trying to read partitions from disk. The generic reader will
fall back to disklabel then.

diffstat:

 usr.sbin/sysinst/disks.c      |  10 ++++++----
 usr.sbin/sysinst/partitions.c |   6 ++++--
 usr.sbin/sysinst/partitions.h |   4 ++--
 3 files changed, 12 insertions(+), 8 deletions(-)

diffs (83 lines):

diff -r eadccfe1055d -r 64e2efb96e8c usr.sbin/sysinst/disks.c
--- a/usr.sbin/sysinst/disks.c  Fri Oct 25 12:24:34 2019 +0000
+++ b/usr.sbin/sysinst/disks.c  Fri Oct 25 12:49:58 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disks.c,v 1.53 2019/10/21 16:10:54 martin Exp $ */
+/*     $NetBSD: disks.c,v 1.54 2019/10/25 12:49:58 martin Exp $ */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -901,7 +901,8 @@
                                                pm_i->parts =
                                                    partitions_read_disk(
                                                    pm_i->diskdev,
-                                                   disk->dd_totsec);
+                                                   disk->dd_totsec,
+                                                   disk->dd_no_mbr);
                                        }
                                }
                                continue;
@@ -929,7 +930,8 @@
                        pm->dlsize = disk->dd_cyl * disk->dd_head
                            * disk->dd_sec;
 
-               pm->parts = partitions_read_disk(pm->diskdev, disk->dd_totsec);
+               pm->parts = partitions_read_disk(pm->diskdev,
+                   disk->dd_totsec, disk->dd_no_mbr);
 
 again:
 
@@ -1443,7 +1445,7 @@
                        if (strcmp(disks[n].dd_name, pm->diskdev) == 0)
                                continue;
                        ps = partitions_read_disk(disks[n].dd_name,
-                           disks[n].dd_totsec);
+                           disks[n].dd_totsec, disks[n].dd_no_mbr);
                        if (ps == NULL)
                                continue;
                        if (ps->pscheme->find_by_name == NULL)
diff -r eadccfe1055d -r 64e2efb96e8c usr.sbin/sysinst/partitions.c
--- a/usr.sbin/sysinst/partitions.c     Fri Oct 25 12:24:34 2019 +0000
+++ b/usr.sbin/sysinst/partitions.c     Fri Oct 25 12:49:58 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: partitions.c,v 1.2 2019/08/14 13:02:23 martin Exp $    */
+/*     $NetBSD: partitions.c,v 1.3 2019/10/25 12:49:58 martin Exp $    */
 
 /*
  * Copyright 2018 The NetBSD Foundation, Inc.
@@ -45,7 +45,7 @@
  * Generic reader - query a disk device and read all partitions from it
  */
 struct disk_partitions *
-partitions_read_disk(const char *dev, daddr_t disk_size)
+partitions_read_disk(const char *dev, daddr_t disk_size, bool no_mbr)
 {
        const struct disk_partitioning_scheme **ps;
 
@@ -53,6 +53,8 @@
                return NULL;
 
        for (ps = available_part_schemes; *ps; ps++) {
+               if (no_mbr && (*ps)->name == MSG_parttype_mbr)
+                       continue;
                struct disk_partitions *parts =
                    (*ps)->read_from_disk(dev, 0, disk_size, *ps);
                if (parts)
diff -r eadccfe1055d -r 64e2efb96e8c usr.sbin/sysinst/partitions.h
--- a/usr.sbin/sysinst/partitions.h     Fri Oct 25 12:24:34 2019 +0000
+++ b/usr.sbin/sysinst/partitions.h     Fri Oct 25 12:49:58 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: partitions.h,v 1.6 2019/08/14 13:02:23 martin Exp $    */
+/*     $NetBSD: partitions.h,v 1.7 2019/10/25 12:49:58 martin Exp $    */
 
 /*
  * Copyright 2018 The NetBSD Foundation, Inc.
@@ -549,7 +549,7 @@
  * Generic reader - query a disk device and read all partitions from it
  */
 struct disk_partitions *
-partitions_read_disk(const char *, daddr_t disk_size);
+partitions_read_disk(const char *, daddr_t disk_size, bool no_mbr);
 
 /*
  * One time initialization