7c061836bb
build grub2-efi with grub2 transform and migrate configuration into /boot/grub2 (bnc#782891) (forwarded request 139330 from arvidjaar) OBS-URL: https://build.opensuse.org/request/show/139364 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/grub2?expand=0&rev=47
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From: Michael Chang <mchang@suse.com>
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The same as in the previous patch, add a support for installing grub
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into an extended partition.
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Here, we do not ignore extended partitions anymore. Instead we call a
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hook that makes sure we have the partition when installing.
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Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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References: https://bugzilla.novell.com/show_bug.cgi?id=750897
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From: Andrey Borzenkov <arvidjaar@gmail.com>
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Apply this logic only to primary extended partition. Ignore extended
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partitions that are used to link together logical partitions.
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References: https://bugzilla.novell.com/show_bug.cgi?id=785341
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---
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Index: grub-2.00/grub-core/partmap/msdos.c
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===================================================================
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--- grub-2.00.orig/grub-core/partmap/msdos.c
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+++ grub-2.00/grub-core/partmap/msdos.c
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@@ -181,13 +181,20 @@ grub_partition_msdos_iterate (grub_disk_
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(unsigned long long) p.len);
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/* If this partition is a normal one, call the hook. */
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- if (! grub_msdos_partition_is_empty (e->type)
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- && ! grub_msdos_partition_is_extended (e->type))
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+ if (! grub_msdos_partition_is_empty (e->type))
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{
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- p.number++;
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+ if (!grub_msdos_partition_is_extended (e->type) || p.number < 3)
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+ {
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+ p.number++;
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- if (hook (disk, &p))
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- return grub_errno;
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+ /* prevent someone doing mkfs or mkswap on an
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+ extended partition, but leave room for LILO */
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+ if (grub_msdos_partition_is_extended (e->type))
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+ p.len = 2;
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+
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+ if (hook (disk, &p))
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+ return grub_errno;
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+ }
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}
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else if (p.number < 4)
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/* If this partition is a logical one, shouldn't increase the
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