ceph: detect lossy state of connection

The server indicates whether a connection is lossy; set our LOSSYTX bit
appropriately.  Do not set lossy bit on outgoing connections.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 98519bd33f04..986d8fb9c574 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -625,8 +625,6 @@ static void prepare_write_connect(struct ceph_messenger *msgr,
         con->out_connect.global_seq = cpu_to_le32(global_seq);
         con->out_connect.protocol_version = cpu_to_le32(proto);
         con->out_connect.flags = 0;
-        if (test_bit(LOSSYTX, &con->state))
-                con->out_connect.flags = CEPH_MSG_CONNECT_LOSSY;
 
         if (!after_banner) {
                 con->out_kvec_left = 0;
@@ -1168,6 +1166,10 @@ static int process_connect(struct ceph_connection *con)
                      con->connect_seq);
                 WARN_ON(con->connect_seq !=
                         le32_to_cpu(con->in_reply.connect_seq));
+
+                if (con->in_reply.flags & CEPH_MSG_CONNECT_LOSSY)
+                        set_bit(LOSSYTX, &con->state);
+
                 prepare_read_tag(con);
                 break;