diff --git a/src/system/libroot/os/arch/x86/compatibility.c b/src/system/libroot/os/arch/x86/compatibility.c
index 0546faec49..6192917243 100644
--- a/src/system/libroot/os/arch/x86/compatibility.c
+++ b/src/system/libroot/os/arch/x86/compatibility.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+ * Copyright 2005-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
 
@@ -12,10 +12,13 @@
 // ToDo: maybe they should indeed do something...
 
 #include <SupportDefs.h>
+#include <fs_info.h>
 
-#include <sys/resource.h>
 #include <syscalls.h>
+
 #include <errno.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
 
 
 int _kset_mon_limit_(int num);
@@ -23,6 +26,7 @@ int _kset_fd_limit_(int num);
 int _klock_node_(int fd);
 int _kget_cpu_state_(int cpuNum);
 int _kset_cpu_state_(int cpuNum, int state);
+int _kstatfs_(dev_t device, void *whatever, int fd, const char *path, fs_info *info);
 
 
 int
@@ -71,4 +75,25 @@ _kset_cpu_state_(int cpuNum, int state)
 	return _kern_set_cpu_enabled(cpuNum, state != 0);
 }
 
+
+int
+_kstatfs_(dev_t device, void *whatever, int fd, const char *path, fs_info *info)
+{
+	if (device < 0) {
+		if (fd >= 0) {
+			struct stat stat;
+			if (fstat(fd, &stat) < 0)
+				return -1;
+
+			device = stat.st_dev;
+		} else if (path != NULL)
+			device = dev_for_path(path);
+	}
+	if (device < 0)
+		return B_ERROR;
+
+	return fs_stat_dev(device, info);
+}
+
+
 #endif	// __GNUC__ < 3