ceph: save peer feature bits in connection structure
These are used for adjusting behavior, such as conditionally encoding a
newer message format.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index d18a544..50c5f24 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -1223,6 +1223,7 @@
clear_bit(CONNECTING, &con->state);
con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
con->connect_seq++;
+ con->peer_features = server_feat;
dout("process_connect got READY gseq %d cseq %d (%d)\n",
con->peer_global_seq,
le32_to_cpu(con->in_reply.connect_seq),
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 4e5764c..889f81f 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -142,6 +142,7 @@
struct ceph_entity_addr peer_addr; /* peer address */
struct ceph_entity_name peer_name; /* peer name */
struct ceph_entity_addr peer_addr_for_me;
+ unsigned peer_features;
u32 connect_seq; /* identify the most recent connection
attempt for this connection, client */
u32 peer_global_seq; /* peer's global seq for this connection */