diff -r 0b13d9787622 extras/mini-os/include/blkfront.h
--- a/extras/mini-os/include/blkfront.h	Tue Mar 24 06:55:29 2009 +0000
+++ b/extras/mini-os/include/blkfront.h	Fri Mar 27 17:05:09 2009 +0000
@@ -8,6 +8,8 @@
     uint8_t *aio_buf;
     size_t aio_nbytes;
     off_t aio_offset;
+    size_t total_bytes;
+    uint8_t is_write;
     void *data;
 
     grant_ref_t gref[BLKIF_MAX_SEGMENTS_PER_REQUEST];