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;
10struct btrfs_fs_info;
11struct btrfs_trans_handle;
12struct btrfs_dev_replace;
13struct btrfs_block_group;
14
15int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
16int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
 
 
17int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
18			    struct btrfs_ioctl_dev_replace_args *args);
 
 
 
19void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
20			      struct btrfs_ioctl_dev_replace_args *args);
21int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
22void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
23int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
24int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
25bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
26				      struct btrfs_block_group *cache,
27				      u64 physical);
28void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
29void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
 
 
30
31static 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

 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,
13			  struct btrfs_fs_info *fs_info);
14void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info);
15int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
16			    struct btrfs_ioctl_dev_replace_args *args);
17int 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);
20void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
21			      struct btrfs_ioctl_dev_replace_args *args);
22int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
23void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
24int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
25int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
26void btrfs_dev_replace_read_lock(struct btrfs_dev_replace *dev_replace);
27void btrfs_dev_replace_read_unlock(struct btrfs_dev_replace *dev_replace);
28void btrfs_dev_replace_write_lock(struct btrfs_dev_replace *dev_replace);
29void btrfs_dev_replace_write_unlock(struct btrfs_dev_replace *dev_replace);
30void btrfs_dev_replace_set_lock_blocking(struct btrfs_dev_replace *dev_replace);
31void btrfs_dev_replace_clear_lock_blocking(
32					struct btrfs_dev_replace *dev_replace);
33
34static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value)
35{
36	atomic64_inc(stat_value);
37}
 
38
39#endif