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 12 struct btrfs_ioctl_dev_replace_args; 13 struct btrfs_fs_info; 14 struct btrfs_trans_handle; 15 struct btrfs_dev_replace; 16 struct btrfs_block_group; 17 struct btrfs_device; 18 19 int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info); 20 int btrfs_run_dev_replace(struct btrfs_trans_handle *trans); 21 int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info, 22 struct btrfs_ioctl_dev_replace_args *args); 23 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, 24 struct btrfs_ioctl_dev_replace_args *args); 25 int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info); 26 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info); 27 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info); 28 int __pure btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace); 29 bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev, 30 struct btrfs_block_group *cache, 31 u64 physical); 32 void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info); 33 void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount); 34 35 static 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 42