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[src/netbsd-9]: src/usr.sbin/sysinst Pull up following revision(s) (requested...



details:   https://anonhg.NetBSD.org/src/rev/6e76f48fd2d7
branches:  netbsd-9
changeset: 372880:6e76f48fd2d7
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Jan 02 10:13:30 2023 +0000

description:
Pull up following revision(s) (requested by tsutsui in ticket #1559):

        usr.sbin/sysinst/arch/x68k/md.c: revision 1.13
        usr.sbin/sysinst/disklabel.c: revision 1.49
        usr.sbin/sysinst/defs.h: revision 1.85
        usr.sbin/sysinst/arch/amiga/md.c: revision 1.8
        usr.sbin/sysinst/arch/amiga/md.c: revision 1.9

Check on-disk disklabel properly even on ports without raw BSD disklabel.
Fixes PR install/56890.

Fix typo

diffstat:

 usr.sbin/sysinst/arch/amiga/md.c |  21 ++++++++++++++++++++-
 usr.sbin/sysinst/arch/x68k/md.c  |  21 ++++++++++++++++++++-
 usr.sbin/sysinst/defs.h          |   3 ++-
 usr.sbin/sysinst/disklabel.c     |  40 ++++++++++++++++++++++++++--------------
 4 files changed, 68 insertions(+), 17 deletions(-)

diffs (155 lines):

diff -r a23e118af83f -r 6e76f48fd2d7 usr.sbin/sysinst/arch/amiga/md.c
--- a/usr.sbin/sysinst/arch/amiga/md.c  Sat Dec 31 05:03:52 2022 +0000
+++ b/usr.sbin/sysinst/arch/amiga/md.c  Mon Jan 02 10:13:30 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: md.c,v 1.5.2.3 2022/12/14 15:39:45 snj Exp $ */
+/*     $NetBSD: md.c,v 1.5.2.4 2023/01/02 10:13:30 martin Exp $ */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -101,6 +101,25 @@
        return true;
 }
 
+#ifdef DISKLABEL_NO_ONDISK_VERIFY
+/*
+ * hook to check if disklabel returned by readdisklabel(9) via DIOCGDINFO
+ * seems the default one, on ports that have no BSD disklabel on disks.
+ */
+bool
+md_disklabel_is_default(const struct disklabel *lp)
+{
+       bool maybe_default =
+           lp->d_npartitions == RAW_PART + 1 &&
+           lp->d_partitions[RAW_PART].p_size == 0x1fffffff &&
+           lp->d_partitions[0].p_size == lp->d_partitions[RAW_PART].p_size &&
+           lp->d_partitions[0].p_offset == 0 &&
+           lp->d_partitions[0].p_fstype == FS_BSDFFS;
+
+       return maybe_default;
+}
+#endif
+
 /*
  * hook called after upgrade() or install() has finished setting
  * up the target disk but immediately before the user is given the
diff -r a23e118af83f -r 6e76f48fd2d7 usr.sbin/sysinst/arch/x68k/md.c
--- a/usr.sbin/sysinst/arch/x68k/md.c   Sat Dec 31 05:03:52 2022 +0000
+++ b/usr.sbin/sysinst/arch/x68k/md.c   Mon Jan 02 10:13:30 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: md.c,v 1.8.2.4 2022/02/02 04:25:36 msaitoh Exp $ */
+/*     $NetBSD: md.c,v 1.8.2.5 2023/01/02 10:13:30 martin Exp $ */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -264,6 +264,25 @@
        return true;
 }
 
+#ifdef DISKLABEL_NO_ONDISK_VERIFY
+/*
+ * hook to check if disklabel returned by readdisklabel(9) via DIOCGDINFO
+ * seems the default one, on ports that have no BSD disklabel on disks.
+ */
+bool
+md_disklabel_is_default(const struct disklabel *lp)
+{
+       bool maybe_default =
+           lp->d_npartitions == RAW_PART + 1 &&
+           lp->d_partitions[0].p_size == lp->d_partitions[RAW_PART].p_size &&
+           lp->d_partitions[0].p_fstype == FS_UNUSED &&
+           lp->d_bbsize == 0 &&
+           lp->d_sbsize == 0;
+
+       return maybe_default;
+}
+#endif
+
 /*
  * hook called after upgrade() or install() has finished setting
  * up the target disk but immediately before the user is given the
diff -r a23e118af83f -r 6e76f48fd2d7 usr.sbin/sysinst/defs.h
--- a/usr.sbin/sysinst/defs.h   Sat Dec 31 05:03:52 2022 +0000
+++ b/usr.sbin/sysinst/defs.h   Mon Jan 02 10:13:30 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: defs.h,v 1.42.2.11 2022/02/14 06:45:34 msaitoh Exp $   */
+/*     $NetBSD: defs.h,v 1.42.2.12 2023/01/02 10:13:30 martin Exp $    */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -643,6 +643,7 @@
  */
 bool   md_pre_disklabel(struct install_partition_desc*, struct disk_partitions*);
 bool   md_post_disklabel(struct install_partition_desc*, struct disk_partitions*);
+bool   md_disklabel_is_default(const struct disklabel *);
 int    md_pre_mount(struct install_partition_desc*, size_t);
 int    md_post_newfs(struct install_partition_desc*);
 int    md_post_extract(struct install_partition_desc*, bool upgrade);
diff -r a23e118af83f -r 6e76f48fd2d7 usr.sbin/sysinst/disklabel.c
--- a/usr.sbin/sysinst/disklabel.c      Sat Dec 31 05:03:52 2022 +0000
+++ b/usr.sbin/sysinst/disklabel.c      Mon Jan 02 10:13:30 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disklabel.c,v 1.10.2.11 2022/12/31 05:03:14 snj Exp $  */
+/*     $NetBSD: disklabel.c,v 1.10.2.12 2023/01/02 10:13:30 martin Exp $       */
 
 /*
  * Copyright 2018 The NetBSD Foundation, Inc.
@@ -198,16 +198,7 @@
        int fd;
        char diskpath[MAXPATHLEN];
        uint flags;
-#ifndef DISKLABEL_NO_ONDISK_VERIFY
-       bool have_raw_label = false;
-
-       /*
-        * Verify we really have a disklabel.
-        */
-       if (run_program(RUN_SILENT | RUN_ERROR_OK,
-           "disklabel -r %s", disk) == 0)
-               have_raw_label = true;
-#endif
+       bool have_own_label = false;
 
        /* read partitions */
 
@@ -304,8 +295,30 @@
        }
        close(fd);
 
-#ifndef DISKLABEL_NO_ONDISK_VERIFY
-       if (!have_raw_label) {
+       /*
+        * Verify we really have a disklabel on the target disk.
+        */
+       if (run_program(RUN_SILENT | RUN_ERROR_OK,
+           "disklabel -r %s", disk) == 0) {
+               have_own_label = true;
+       }
+#ifdef DISKLABEL_NO_ONDISK_VERIFY
+       else {
+               /*
+                * disklabel(8) with -r checks a native disklabel at
+                * LABELOFFSET sector, but several ports don't have
+                * a native label and use emulated one translated from
+                * port specific MD disk partition information.
+                * Unfortunately, there is no MI way to check whether
+                * the disk has a native BSD disklabel by readdisklabel(9)
+                * via DIOCGDINFO.  So check if returned label looks
+                * defaults set by readdisklabel(9) per MD way.
+                */
+               have_own_label = !md_disklabel_is_default(&parts->l);
+       }
+#endif
+
+       if (!have_own_label) {
                bool found_real_part = false;
 
                if (parts->l.d_npartitions <= RAW_PART ||
@@ -338,7 +351,6 @@
                        return NULL;
                }
        }
-#endif
 
        return &parts->dp;
 }



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