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/*
Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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 3 of the License,
or (at your option) any later version.
GlusterFS 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, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _RR_H
#define _RR_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "scheduler.h"
#include <stdint.h>
#include <sys/time.h>
struct rr_subvolume
{
xlator_t *xl;
uint8_t free_disk_status;
uint8_t status;
};
typedef struct rr_subvolume rr_subvolume_t;
struct rr
{
rr_options_t options;
rr_subvolume_t *subvolume_list;
uint64_t subvolume_count;
uint64_t schedule_index;
struct timeval last_stat_fetched_time;
pthread_mutex_t mutex;
char first_time;
};
typedef struct rr rr_t;
int rr_init (xlator_t *this_xl);
void rr_fini (xlator_t *this_xl);
xlator_t *rr_schedule (xlator_t *this_xl, const void *path);
void rr_update (xlator_t *this_xl);
int rr_update_cbk (call_frame_t *frame,
void *cookie,
xlator_t *this_xl,
int32_t op_ret,
int32_t op_errno,
struct xlator_stats *stats);
void rr_notify (xlator_t *this_xl, int32_t event, void *data);
int rr_notify_cbk (call_frame_t *frame,
void *cookie,
xlator_t *this_xl,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr);
#endif /* _RR_H */
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