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 struct btrfs_fs_info;
11 struct btrfs_trans_handle;
12 struct btrfs_dev_replace;
13 struct btrfs_block_group;
14 
15 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
16 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
17 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
18 			    struct btrfs_ioctl_dev_replace_args *args);
19 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
20 			      struct btrfs_ioctl_dev_replace_args *args);
21 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
22 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
23 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
24 int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
25 bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
26 				      struct btrfs_block_group *cache,
27 				      u64 physical);
28 void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
29 void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
30 
btrfs_bio_counter_dec(struct btrfs_fs_info * fs_info)31 static 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
38