fake:

package/base/disktype/dont-use-fs.h.patch

@@ -0,0 +1,11 @@
+--- ./file.c.orig	2004-02-10 22:14:33.269214616 +0000
++++ ./file.c	2004-02-10 22:14:41.536957728 +0000
+@@ -32,7 +32,7 @@
+ 
+ #ifdef USE_IOCTL_LINUX
+ #include <sys/ioctl.h>
+-#include <linux/fs.h>
++#define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long *arg) */
+ #endif
+ 
+ #ifdef USE_IOCTL_FREEBSD