grub2/grub2-getroot-treat-mdadm-ddf-as-simple-device.patch

69 lines
1.8 KiB
Diff

From: Michael Chang <mchang@suse.com>
Subject: treat mdadm ddf fakeraid as simple device
References: bnc#872360
Patch-Mainline: no
Index: grub-2.02~beta2/grub-core/osdep/linux/getroot.c
===================================================================
--- grub-2.02~beta2.orig/grub-core/osdep/linux/getroot.c
+++ grub-2.02~beta2/grub-core/osdep/linux/getroot.c
@@ -117,7 +117,7 @@ struct btrfs_ioctl_search_args {
struct btrfs_ioctl_fs_info_args)
static int
-grub_util_is_imsm (const char *os_dev);
+grub_util_is_imsm_or_ddf (const char *os_dev);
#define ESCAPED_PATH_MAX (4 * PATH_MAX)
@@ -603,10 +603,10 @@ out:
}
static int
-grub_util_is_imsm (const char *os_dev)
+grub_util_is_imsm_or_ddf (const char *os_dev)
{
int retry;
- int is_imsm = 0;
+ int is_imsm_or_ddf = 0;
int container_seen = 0;
const char *dev = os_dev;
@@ -667,10 +667,17 @@ grub_util_is_imsm (const char *os_dev)
if (strncmp (buf, "MD_METADATA=imsm",
sizeof ("MD_METADATA=imsm") - 1) == 0)
{
- is_imsm = 1;
+ is_imsm_or_ddf = 1;
grub_util_info ("%s is imsm", dev);
break;
}
+ if (strncmp (buf, "MD_METADATA=ddf",
+ sizeof ("MD_METADATA=ddf") - 1) == 0)
+ {
+ is_imsm_or_ddf = 1;
+ grub_util_info ("%s is ddf", dev);
+ break;
+ }
}
free (buf);
@@ -681,7 +688,7 @@ grub_util_is_imsm (const char *os_dev)
if (dev != os_dev)
free ((void *) dev);
- return is_imsm;
+ return is_imsm_or_ddf;
}
char *
@@ -1018,7 +1025,7 @@ grub_util_get_dev_abstraction_os (const
/* Check for RAID. */
if (!strncmp (os_dev, "/dev/md", 7) && ! grub_util_device_is_mapped (os_dev)
- && !grub_util_is_imsm (os_dev))
+ && !grub_util_is_imsm_or_ddf (os_dev))
return GRUB_DEV_ABSTRACTION_RAID;
return GRUB_DEV_ABSTRACTION_NONE;
}