--- block/raw-posix.c.orig	2009-09-23 10:30:02.000000000 +0300
+++ block/raw-posix.c	2009-10-25 18:22:08.780047000 +0200
@@ -1172,6 +1172,15 @@
     return ret;
 }
 
+static QEMUOptionParameter host_device_create_options[] = {
+    {
+        .name = BLOCK_OPT_SIZE,
+        .type = OPT_SIZE,
+        .help = "Virtual disk size"
+    },
+    { NULL }
+};
+
 static BlockDriver bdrv_host_device = {
     .format_name	= "host_device",
     .instance_size	= sizeof(BDRVRawState),
@@ -1197,6 +1206,7 @@
     .bdrv_aio_ioctl     = hdev_aio_ioctl,
 #endif
 #endif
+    .create_options = host_device_create_options,
 };
 
 #ifdef __linux__