linux-imx

/*

   drbd_state.c

​

   This file is part of DRBD by Philipp Reisner and Lars Ellenberg.

​

   Copyright (C) 2001-2008, LINBIT Information Technologies GmbH.

   Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>.

   Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.

​

   Thanks to Carter Burden, Bart Grantham and Gennadiy Nerubayev

   from Logicworks, Inc. for making SDP replication support possible.

​

   drbd is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2, or (at your option)

   any later version.

​

   drbd 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 for more details.

​

   You should have received a copy of the GNU General Public License

   along with drbd; see the file COPYING.  If not, write to

   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

 */

​

#include <linux/drbd_limits.h>

#include "drbd_int.h"

#include "drbd_protocol.h"

#include "drbd_req.h"

#include "drbd_state_change.h"

​

struct after_state_chg_work {

    struct drbd_work w;

    struct drbd_device *device;

    union drbd_state os;

    union drbd_state ns;

    enum chg_state_flags flags;

    struct completion *done;

    struct drbd_state_change *state_change;

};

​

enum sanitize_state_warnings {

    NO_WARNING,

    ABORTED_ONLINE_VERIFY,

    ABORTED_RESYNC,

    CONNECTION_LOST_NEGOTIATING,

    IMPLICITLY_UPGRADED_DISK,

    IMPLICITLY_UPGRADED_PDSK,

};

​

static void count_objects(struct drbd_resource *resource,

              unsigned int *n_devices,

              unsigned int *n_connections)

{

    struct drbd_device *device;

    struct drbd_connection *connection;

    int vnr;

​

    *n_devices = 0;

    *n_connections = 0;

​