--- dump/main.c
+++ dump/main.c
@@ -67,6 +67,8 @@
 #include <ext2fs/ext2fs.h>
 #include <sys/stat.h>
 #include <bsdcompat.h>
+
+#define pgoff_t unsigned long
 #include <linux/fs.h>	/* for definition of BLKFLSBUF */
 #elif defined sunos
 #include <sys/vnode.h>