NFS4.1: Fix bug server don't reply the right fore_channel to client at create_session

At the latest kernel(2.6.37-rc1), server just initialize the forechannel
at init_forechannel_attrs, but don't reflect it to reply.

After initialize the session success, we should copy the forechannel info
to nfsd4_create_session struct.

Reviewed-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfs4state.c

@@ -1562,6 +1562,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
 	status = nfs_ok;
 	memcpy(cr_ses->sessionid.data, new->se_sessionid.data,
 	       NFS4_MAX_SESSIONID_LEN);
+	memcpy(&cr_ses->fore_channel, &new->se_fchannel,
+		sizeof(struct nfsd4_channel_attrs));
 	cs_slot->sl_seqid++;
 	cr_ses->seqid = cs_slot->sl_seqid;