- fdisk -l inside xen guest shows no disks
- "sfdisk -l" tries to open partitions

--- util-linux-2.13-pre6/fdisk/sfdisk.c.isfull	2006-06-12 13:31:46.000000000 +0200
+++ util-linux-2.13-pre6/fdisk/sfdisk.c	2006-06-12 13:31:47.000000000 +0200
@@ -2413,19 +2413,6 @@
 	return is_ide;
 }
 
-static int
-is_probably_full_disk(char *name) {
-	struct hd_geometry geometry;
-	int fd, i = 0;
-
-	fd = open(name, O_RDONLY);
-	if (fd >= 0) {
-		i = ioctl(fd, HDIO_GETGEO, &geometry);
-		close(fd);
-	}
-	return (fd >= 0 && i == 0 && geometry.start == 0);
-}
-
 #define PROC_PARTITIONS	"/proc/partitions"
 static FILE *procf = NULL;
 
--- util-linux-2.13-pre6/fdisk/common.h.isfull	2004-09-06 20:07:11.000000000 +0200
+++ util-linux-2.13-pre6/fdisk/common.h	2006-06-12 13:31:47.000000000 +0200
@@ -28,5 +28,6 @@
 extern struct systypes i386_sys_types[];
 
 extern char *partname(char *dev, int pno, int lth);
+extern int is_probably_full_disk(char *name);
 
 int disksize(int fd, unsigned long long *sectors);
--- util-linux-2.13-pre6/fdisk/partname.c.isfull	2002-07-07 14:16:43.000000000 +0200
+++ util-linux-2.13-pre6/fdisk/partname.c	2006-06-12 13:32:54.000000000 +0200
@@ -1,6 +1,9 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include "common.h"
 
 /*
@@ -45,3 +48,30 @@
 partname(char *dev, int pno, int lth) {
 	return partnamebf(dev, pno, lth, 0, NULL);
 }
+
+int
+is_probably_full_disk(char *name) {
+#ifdef HDIO_GETGEO
+	struct hd_geometry geometry;
+	int fd, i = 0;
+
+	fd = open(name, O_RDONLY);
+	if (fd >= 0) {
+		i = ioctl(fd, HDIO_GETGEO, &geometry);
+		close(fd);
+	}
+	if (i==0)
+		return (fd >= 0 && geometry.start == 0);
+	/*
+	 * "silly heuristic" is still so sexy for us, because
+	 * for example Xen doesn't implement HDIO_GETGEO for virtual
+	 * block devices (/dev/xvda).
+	 * -- kzak@redhat.com (23-Feb-2006)
+	 */
+#endif
+	/* silly heuristic */
+	while (*name)
+		name++;
+	return !isdigit(name[-1]);
+}
+
--- util-linux-2.13-pre6/fdisk/fdisk.c.isfull	2006-06-12 13:31:47.000000000 +0200
+++ util-linux-2.13-pre6/fdisk/fdisk.c	2006-06-12 13:31:47.000000000 +0200
@@ -788,26 +788,6 @@
 #endif
 }
 
-static int
-is_probably_full_disk(char *name) {
-#ifdef HDIO_GETGEO
-	struct hd_geometry geometry;
-	int fd, i = 0;
-
-	fd = open(name, O_RDONLY);
-	if (fd >= 0) {
-		i = ioctl(fd, HDIO_GETGEO, &geometry);
-		close(fd);
-	}
-	return (fd >= 0 && i == 0 && geometry.start == 0);
-#else
-	/* silly heuristic */
-	while (*name)
-		name++;
-	return !isdigit(name[-1]);
-#endif
-}
-
 static void
 get_partition_table_geometry(void) {
 	unsigned char *bufp = MBRbuffer;