dev-replace.h

 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#include <linux/types.h>
10#include <linux/compiler_types.h>
11
12struct btrfs_ioctl_dev_replace_args;
13struct btrfs_fs_info;
14struct btrfs_trans_handle;
15struct btrfs_dev_replace;
16struct btrfs_block_group;
17struct btrfs_device;
18
19int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info);
20int btrfs_run_dev_replace(struct btrfs_trans_handle *trans);
21int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
22			    struct btrfs_ioctl_dev_replace_args *args);
23void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
24			      struct btrfs_ioctl_dev_replace_args *args);
25int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
26void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
27int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
28bool __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
29bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
30				      struct btrfs_block_group *cache,
31				      u64 physical);
32void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info);
33void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount);
34
35static inline void btrfs_bio_counter_dec(struct btrfs_fs_info *fs_info)
36{
37	btrfs_bio_counter_sub(fs_info, 1);
38}
39
40
41#endif