import.c

/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
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 * GPL HEADER START
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License version 2 for more details (a copy is included
 * in the LICENSE file that accompanied this code).
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 * version 2 along with this program; If not, see
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/*
 * Copyright  2008 Sun Microsystems, Inc. All rights reserved
 * Use is subject to license terms.
 */
/*
 * This file is part of Lustre, http://www.lustre.org/
 * Lustre is a trademark of Sun Microsystems, Inc.
 *
 * lustre/ptlrpc/import.c
 *
 * Author: Mike Shaver <shaver@clusterfs.com>
 */

#define DEBUG_SUBSYSTEM S_RPC
#ifndef __KERNEL__
# include <liblustre.h>
#endif

#include <obd_support.h>
#include <lustre_ha.h>
#include <lustre_net.h>
#include <lustre_import.h>
#include <lustre_export.h>
#include <obd.h>
#include <obd_cksum.h>
#include <obd_class.h>

#include "ptlrpc_internal.h"

struct ptlrpc_connect_async_args {
         __u64 pcaa_peer_committed;
        int pcaa_initial_connect;
};

/* A CLOSED import should remain so. */
#define IMPORT_SET_STATE_NOLOCK(imp, state)                                    \
do {                                                                           \
        if (imp->imp_state != LUSTRE_IMP_CLOSED) {                             \
               CDEBUG(D_HA, "%p %s: changing import state from %s to %s\n",    \
                      imp, obd2cli_tgt(imp->imp_obd),                          \
                      ptlrpc_import_state_name(imp->imp_state),                \
                      ptlrpc_import_state_name(state));                        \
               imp->imp_state = state;                                         \