mars/kernel/mars_check.h

68 lines
1.7 KiB
C

/*
* MARS Long Distance Replication Software
*
* This file is part of MARS project: http://schoebel.github.io/mars/
*
* Copyright (C) 2010-2014 Thomas Schoebel-Theuer
* Copyright (C) 2011-2014 1&1 Internet AG
*
* This program 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 of the License, or
* (at your option) any later version.
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MARS_CHECK_H
#define MARS_CHECK_H
#ifdef CONFIG_MARS_DEBUG_DEVEL_VIA_SAY
/* Historic: additional checks for mref integrity.
* Maybe converted to a modern method.
*/
#define CHECK_LOCK
#endif
struct check_mref_aspect {
GENERIC_ASPECT(mref);
#ifdef CHECK_LOCK
struct list_head mref_head;
#endif
struct generic_callback cb;
struct check_output *output;
unsigned long last_jiffies;
atomic_t call_count;
atomic_t callback_count;
bool installed;
};
struct check_brick {
MARS_BRICK(check);
};
struct check_input {
MARS_INPUT(check);
};
struct check_output {
MARS_OUTPUT(check);
int instance_nr;
#ifdef CHECK_LOCK
struct task_struct *watchdog;
spinlock_t check_lock;
struct list_head mref_anchor;
#endif
};
MARS_TYPES(check);
#endif