2 * Copyright (C) STRATO AG 2012. All rights reserved.
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.
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.
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.
19 #if !defined(__BTRFS_DEV_REPLACE__)
20 #define __BTRFS_DEV_REPLACE__
22 struct btrfs_ioctl_dev_replace_args;
24 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
25 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
26 struct btrfs_fs_info *fs_info);
27 void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
28 int btrfs_dev_replace_start(struct btrfs_root *root,
29 struct btrfs_ioctl_dev_replace_args *args);
30 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
31 struct btrfs_ioctl_dev_replace_args *args);
32 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
33 struct btrfs_ioctl_dev_replace_args *args);
34 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
35 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
36 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
37 void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace);
38 void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace);
40 static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
42 atomic64_inc(stat_value);