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 
9 struct btrfs_ioctl_dev_replace_args;
10 
11 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
12 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
13 			  struct btrfs_fs_info *fs_info);
14 void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
15 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
16 			    struct btrfs_ioctl_dev_replace_args *args);
17 int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
18 		const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
19 		int read_src);
20 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
21 			      struct btrfs_ioctl_dev_replace_args *args);
22 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
23 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
24 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
25 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
26 void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace);
27 void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace);
28 void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace);
29 void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace);
30 void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
31 void btrfs_dev_replace_clear_lock_blocking(
32 					struct btrfs_dev_replace *dev_replace);
33 
btrfs_dev_replace_stats_inc(atomic64_t * stat_value)34 static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
35 {
36 	atomic64_inc(stat_value);
37 }
38 
39 #endif
40