1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) STRATO AG 2012.  All rights reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 4 */
 5
 6#ifndef BTRFS_DEV_REPLACE_H
 7#define BTRFS_DEV_REPLACE_H
 8
 9struct btrfs_ioctl_dev_replace_args;
10struct btrfs_fs_info;
11struct btrfs_trans_handle;
12struct btrfs_dev_replace;
13struct btrfs_block_group;
14
15int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
16int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
17int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
 
 
18			    struct btrfs_ioctl_dev_replace_args *args);
19void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
20			      struct btrfs_ioctl_dev_replace_args *args);
21int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 
22void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
23int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
24int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
25bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
26				      struct btrfs_block_group *cache,
27				      u64 physical);
28void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
29void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
30
31static inline void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
32{
33	btrfs_bio_counter_sub(fs_info, 1);
34}
35
36
37#endif

 
 1/*
 2 * Copyright (C) STRATO AG 2012.  All rights reserved.
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of the GNU General Public
 6 * License v2 as published by the Free Software Foundation.
 7 *
 8 * This program is distributed in the hope that it will be useful,
 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
17 */
18
19#if !defined(__BTRFS_DEV_REPLACE__)
20#define __BTRFS_DEV_REPLACE__
21
22struct btrfs_ioctl_dev_replace_args;
 
 
 
 
23
24int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
25int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
26			  struct btrfs_fs_info *fs_info);
27void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
28int btrfs_dev_replace_start(struct btrfs_root *root,
29			    struct btrfs_ioctl_dev_replace_args *args);
30void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
31			      struct btrfs_ioctl_dev_replace_args *args);
32int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
33			     struct btrfs_ioctl_dev_replace_args *args);
34void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
35int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
36int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
37void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace, int rw);
38void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace, int rw);
39void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
40void btrfs_dev_replace_clear_lock_blocking(
41					struct btrfs_dev_replace *dev_replace);
42
43static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
44{
45	atomic64_inc(stat_value);
46}
 
 
47#endif