* util/hostdisk.c (convert_system_partition_to_system_disk):

Handle virtual disk devices named /dev/vdiskX as found on sparc
	and powerpc.

ChangeLog

@@ -1,5 +1,9 @@
 2009-04-30  David S. Miller  <davem@davemloft.net>
 
+	* util/hostdisk.c (convert_system_partition_to_system_disk):
+	Handle virtual disk devices named /dev/vdiskX as found on sparc
+	and powerpc.
+
 	* kern/sparc64/ieee1275/init.c (grub_machine_set_prefix): If
 	lettered partition specifier is found, convert to numbered.
 

util/hostdisk.c

@@ -767,6 +767,13 @@ convert_system_partition_to_system_disk (const char *os_dev)
 	}
       
       /* If this is an IDE, SCSI or Virtio disk.  */
+      if (strncmp ("vdisk", p, 5) == 0
+	  && p[5] >= 'a' && p[5] <= 'z')
+	{
+	  /* /dev/vdisk[a-z][0-9]* */
+	  p[6] = '\0';
+	  return path;
+	}
       if ((strncmp ("hd", p, 2) == 0
 	   || strncmp ("vd", p, 2) == 0
 	   || strncmp ("sd", p, 2) == 0)