blob: 8a759477a3426b6fd741650c1fd4772226974806 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* QEMU backup
*
* Copyright (c) 2013 Proxmox Server Solutions
* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
* Copyright (c) 2016 Intel Corporation
* Copyright (c) 2016 FUJITSU LIMITED
*
* Authors:
* Dietmar Maurer <dietmar@proxmox.com>
* Changlong Xie <xiecl.fnst@cn.fujitsu.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef BLOCK_BACKUP_H
#define BLOCK_BACKUP_H
#include "block/block_int.h"
typedef struct CowRequest {
int64_t start;
int64_t end;
QLIST_ENTRY(CowRequest) list;
CoQueue wait_queue; /* coroutines blocked on this request */
} CowRequest;
void backup_wait_for_overlapping_requests(BlockJob *job, int64_t sector_num,
int nb_sectors);
void backup_cow_request_begin(CowRequest *req, BlockJob *job,
int64_t sector_num,
int nb_sectors);
void backup_cow_request_end(CowRequest *req);
void backup_do_checkpoint(BlockJob *job, Error **errp);
#endif
|
