libceph: kill ceph message bio_iter, bio_seg

The bio_iter and bio_seg fields in a message are no longer used, we
use the cursor instead.  So get rid of them and the functions that
operate on them them.

This is related to:
    http://tracker.ceph.com/issues/4428

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 459e55280bf8..252e01b7f7de 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -121,11 +121,7 @@ struct ceph_msg_data {
         enum ceph_msg_data_type         type;
         union {
 #ifdef CONFIG_BLOCK
-                struct {
-                        struct bio      *bio_iter;      /* iterator */
-                        struct bio      *bio;
-                        unsigned int    bio_seg;        /* current seg in bio */
-                };
+                struct bio              *bio;
 #endif /* CONFIG_BLOCK */
                 struct {
                         struct page     **pages;        /* NOT OWNER. */