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;
10
11int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
12int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
 
 
13int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
14			    struct btrfs_ioctl_dev_replace_args *args);
 
 
15void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
16			      struct btrfs_ioctl_dev_replace_args *args);
17int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 
18void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
19int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
20int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
 
 
 
 
 
21
 
 
 
 
22#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_by_ioctl(struct btrfs_fs_info *fs_info,
29			    struct btrfs_ioctl_dev_replace_args *args);
30int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name,
31				u64 srcdevid, char *srcdev_name, int read_src);
32void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
33			      struct btrfs_ioctl_dev_replace_args *args);
34int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
35			     struct btrfs_ioctl_dev_replace_args *args);
36void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
37int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
38int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
39void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace, int rw);
40void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace, int rw);
41void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
42void btrfs_dev_replace_clear_lock_blocking(
43					struct btrfs_dev_replace *dev_replace);
44
45static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
46{
47	atomic64_inc(stat_value);
48}
49#endif