diff --git a/include/scsi/osd_types.h b/include/scsi/osd_types.h
index 3f5e88c..bd0be7e 100644
--- a/include/scsi/osd_types.h
+++ b/include/scsi/osd_types.h
@@ -37,4 +37,9 @@
 	void *val_ptr;		/* in network order */
 };
 
+struct osd_sg_entry {
+	u64 offset;
+	u64 len;
+};
+
 #endif /* ndef __OSD_TYPES_H__ */