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33 lines
1.4 KiB
Diff
33 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Oleg Solovyov <mcpain@altlinux.org>
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Date: Fri, 11 May 2018 13:55:46 +0300
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Subject: [PATCH] grub-probe: Don't skip /dev/mapper/dm-* devices
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This patch ensures that grub-probe will find the root device placed in
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/dev/mapper/dm-[0-9]+-.* e.g. device named /dev/mapper/dm-0-luks will be
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found and grub.cfg will be updated properly, enabling the system to boot.
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Signed-off-by: Oleg Solovyov <mcpain@altlinux.org>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/osdep/unix/getroot.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/grub-core/osdep/unix/getroot.c b/grub-core/osdep/unix/getroot.c
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index 4bf37b027be..3046e22cc01 100644
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--- a/grub-core/osdep/unix/getroot.c
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+++ b/grub-core/osdep/unix/getroot.c
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@@ -428,8 +428,11 @@ grub_find_device (const char *dir, dev_t dev)
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{
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#ifdef __linux__
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/* Skip device names like /dev/dm-0, which are short-hand aliases
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- to more descriptive device names, e.g. those under /dev/mapper */
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- if (ent->d_name[0] == 'd' &&
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+ to more descriptive device names, e.g. those under /dev/mapper.
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+ Also, don't skip devices which names start with dm-[0-9] in
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+ directories below /dev, e.g. /dev/mapper/dm-0-luks. */
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+ if (strcmp (dir, "/dev") == 0 &&
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+ ent->d_name[0] == 'd' &&
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ent->d_name[1] == 'm' &&
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ent->d_name[2] == '-' &&
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ent->d_name[3] >= '0' &&
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