diff -dur LVM2.2.00.25/lib/device/dev-io.c src.lvm2.1104330759.23110.469340415/LVM2.2.00.25/lib/device/dev-io.c
--- LVM2.2.00.25/lib/device/dev-io.c	2004-09-14 22:23:23.000000000 +0000
+++ src.lvm2.1104330759.23110.469340415/LVM2.2.00.25/lib/device/dev-io.c	2004-12-29 14:42:55.934962456 +0000
@@ -31,7 +31,11 @@
 #  define u64 uint64_t		/* Missing without __KERNEL__ */
 #  undef WNOHANG		/* Avoid redefinition */
 #  undef WUNTRACED		/* Avoid redefinition */
-#  include <linux/fs.h>		/* For block ioctl definitions */
+/* copied from: <linux/fs.h> */	/* For block ioctl definitions */
+#  define BLKBSZGET  _IOR(0x12,112,size_t)
+#  define BLKSSZGET  _IO(0x12,104)/* get block device sector size */
+#  define BLKFLSBUF  _IO(0x12,97)	/* flush buffer cache */
+
 #  define BLKSIZE_SHIFT SECTOR_SHIFT
 #  ifndef BLKGETSIZE64		/* fs.h out-of-date */
 #    define BLKGETSIZE64 _IOR(0x12, 114, size_t)