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 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