blob: e922b42d91df2a0730b69d70fb02f5749de454e6 [file] [log] [blame]
Stefan Behrensff023aa2012-11-06 11:43:11 +01001/*
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
Stefan Behrense93c89c2012-11-05 17:33:06 +010022struct 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);
Anand Jainb5255452016-03-24 18:48:14 +080028int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
Stefan Behrense93c89c2012-11-05 17:33:06 +010029 struct btrfs_ioctl_dev_replace_args *args);
Anand Jainb5255452016-03-24 18:48:14 +080030int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
31 u64 srcdevid, char *srcdev_name, int read_src);
Stefan Behrense93c89c2012-11-05 17:33:06 +010032void 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);
Liu Bo73beece2015-07-17 16:49:19 +080039void 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);
Stefan Behrense93c89c2012-11-05 17:33:06 +010044
Stefan Behrensff023aa2012-11-06 11:43:11 +010045static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
46{
47 atomic64_inc(stat_value);
48}
49#endif