From 535bbb530764b1b2b3b732837f0e61e1baae7109 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Tue, 13 Oct 2009 12:55:26 -0700 Subject: [PATCH] ceph: add version field to message header This makes it easier for individual message types to indicate their particular encoding, and make future changes backward compatible. Signed-off-by: Sage Weil --- fs/ceph/msgr.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ceph/msgr.h b/fs/ceph/msgr.h index 73921ae43faa..9abc879e25b1 100644 --- a/fs/ceph/msgr.h +++ b/fs/ceph/msgr.h @@ -21,7 +21,7 @@ * whenever the wire protocol changes. try to keep this string length * constant. */ -#define CEPH_BANNER "ceph v021" +#define CEPH_BANNER "ceph v022" #define CEPH_BANNER_MAX_LEN 30 @@ -125,6 +125,7 @@ struct ceph_msg_header { __le64 seq; /* message seq# for this session */ __le16 type; /* message type */ __le16 priority; /* priority. higher value == higher priority */ + __le16 version; /* version of message encoding */ __le32 front_len; /* bytes in main payload */ __le32 middle_len;/* bytes in middle payload */ -- 2.34.1