diff --git a/include/linux/fs.h b/include/linux/fs.h
index 74c01aa..7f14048 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -224,6 +224,7 @@
 #include <asm/semaphore.h>
 #include <asm/byteorder.h>
 
+struct hd_geometry;
 struct iovec;
 struct nameidata;
 struct kiocb;
@@ -962,6 +963,7 @@
 	int (*direct_access) (struct block_device *, sector_t, unsigned long *);
 	int (*media_changed) (struct gendisk *);
 	int (*revalidate_disk) (struct gendisk *);
+	int (*getgeo)(struct block_device *, struct hd_geometry *);
 	struct module *owner;
 };