diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 76fbc95..5a79450 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -82,6 +82,10 @@
 	struct ceph_pagelist *pagelist; /* instead of pages */
 	struct list_head list_head;
 	struct kref kref;
+	struct bio  *bio;		/* instead of pages/pagelist */
+	struct bio  *bio_iter;		/* bio iterator */
+	int bio_seg;			/* current bio segment */
+	struct ceph_pagelist *trail;	/* the trailing part of the data */
 	bool front_is_vmalloc;
 	bool more_to_follow;
 	bool needs_out_seq;