/*
   Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com>
   This file is part of GlusterFS.

   This file is licensed to you under your choice of the GNU Lesser
   General Public License, version 3 or any later version (LGPLv3 or
   later), or the GNU General Public License, version 2 (GPLv2), in all
   cases as published by the Free Software Foundation.
*/

#ifndef __QUIESCE_H__
#define __QUIESCE_H__

#include "quiesce-mem-types.h"
#include "quiesce-messages.h"
#include <glusterfs/xlator.h>
#include <glusterfs/timer.h>

#define GF_FOPS_EXPECTED_IN_PARALLEL 512

typedef struct {
    struct list_head list;
    char *addr;
    gf_boolean_t tried; /* indicates attempted connecting */
} quiesce_failover_hosts_t;

typedef struct {
    gf_timer_t *timer;
    gf_boolean_t pass_through;
    gf_lock_t lock;
    struct list_head req;
    int queue_size;
    pthread_t thr;
    struct mem_pool *local_pool;
    uint32_t timeout;
    char *failover_hosts;
    struct list_head failover_list;
} quiesce_priv_t;

typedef struct {
    fd_t *fd;
    char *name;
    char *volname;
    loc_t loc;
    off_t size;
    off_t offset;
    mode_t mode;
    int32_t flag;
    struct iatt stbuf;
    struct iovec *vector;
    struct iobref *iobref;
    dict_t *dict;
    struct gf_flock flock;
    entrylk_cmd cmd;
    entrylk_type type;
    gf_xattrop_flags_t xattrop_flags;
    int32_t wbflags;
    uint32_t io_flag;
    /* for fallocate */
    size_t len;
    /* for lseek */
    gf_seek_what_t what;
} quiesce_local_t;

#endif