Thanks for review New version is attached
From 19e3f13632a20a0b1be12b6d6ff4c52ba4f3b4d6 Mon Sep 17 00:00:00 2001 From: Oleg Solovyov <mcp...@altlinux.org> Date: Fri, 11 May 2018 13:55:46 +0300 Subject: [PATCH] Don't skip /dev/mapper/dm-* devices
This patch ensures that grub-probe will find the root device placed in
/dev/mapper/dm-[0-9]+-.*
e.g. device named /dev/mapper/dm-0-luks will be found and grub.cfg will
be updated properly, enabling the system to boot.
Signed-off-by: Oleg Solovyov <mcp...@altlinux.org>
---
grub/grub-core/osdep/unix/getroot.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/grub/grub-core/osdep/unix/getroot.c b/grub/grub-core/osdep/unix/getroot.c
index 4bf37b0..41d6574 100644
--- a/grub/grub-core/osdep/unix/getroot.c
+++ b/grub/grub-core/osdep/unix/getroot.c
@@ -428,8 +428,10 @@ grub_find_device (const char *dir, dev_t dev)
{
#ifdef __linux__
/* Skip device names like /dev/dm-0, which are short-hand aliases
- to more descriptive device names, e.g. those under /dev/mapper */
- if (ent->d_name[0] == 'd' &&
+ to more descriptive device names, e.g. those under /dev/mapper
+ Also, don't skip devices under /dev/mapper */
+ if (strcmp (dir, "/dev") == 0 &&
+ ent->d_name[0] == 'd' &&
ent->d_name[1] == 'm' &&
ent->d_name[2] == '-' &&
ent->d_name[3] >= '0' &&
--
2.10.2
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