File grub2-getroot-scan-disk-pv.patch of Package grub2.15809

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File grub2-getroot-scan-disk-pv.patch of Package grub2.15809

From: Michael Chang <mchang@suse.com>
Subject: Fix grub2-mkconfig warning when disk is LVM PV
References: bsc#1071239

When a disk device was found in grub_util_biosdisk_get_grub_dev, its grub
hostdisk device name just returned. Since the disk could also be used as PV
disk, use grub_util_get_ldm to kick scanning of on disk metadata and adding it
to VG array.

---
Index: grub-2.02/util/getroot.c
===================================================================
--- grub-2.02.orig/util/getroot.c
+++ grub-2.02/util/getroot.c
@@ -272,8 +272,28 @@ grub_util_biosdisk_get_grub_dev (const c
   grub_util_info ("%s is a parent of %s", sys_disk, os_dev);
   if (!is_part)
     {
+#if defined(__APPLE__)
       free (sys_disk);
       return make_device_name (drive);
+#else
+      char *name, *ldm_name;
+      grub_disk_t disk;
+
+      free (sys_disk);
+      name = make_device_name (drive);
+      disk = grub_disk_open (name);
+      if (!disk)
+        return name;
+      ldm_name = grub_util_get_ldm (disk, 0);
+      if (ldm_name)
+        {
+	  grub_disk_close (disk);
+          grub_free (name);
+	  return ldm_name;
+        }
+      grub_disk_close (disk);
+      return name;
+#endif
     }
   free (sys_disk);

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File grub2-getroot-scan-disk-pv.patch of Package grub2.15809

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