From dd236fcb65d7b6b80c408cb5f66aab55f4594284 Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Wed, 6 Mar 2013 23:39:39 -0600 Subject: libceph: prepare for other message data item types This just inserts some infrastructure in preparation for handling other types of ceph message data items. No functional changes, just trying to simplify review by separating out some noise. Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- include/linux/ceph/messenger.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'include/linux/ceph/messenger.h') diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 14862438faff..716c3fdeb257 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -97,8 +97,12 @@ static __inline__ bool ceph_msg_data_type_valid(enum ceph_msg_data_type type) struct ceph_msg_data_cursor { bool last_piece; /* now at last piece of data item */ - struct page *page; /* current page in pagelist */ - size_t offset; /* pagelist bytes consumed */ + union { + struct { /* pagelist */ + struct page *page; /* page from list */ + size_t offset; /* bytes from list */ + }; + }; }; struct ceph_msg_data { -- cgit v1.2.3