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1/* SPDX-License-Identifier: GPL-2.0 */2 3#ifndef BTRFS_RELOCATION_H4#define BTRFS_RELOCATION_H5 6#include <linux/types.h>7 8struct extent_buffer;9struct btrfs_fs_info;10struct btrfs_root;11struct btrfs_trans_handle;12struct btrfs_ordered_extent;13struct btrfs_pending_snapshot;14 15int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start);16int btrfs_init_reloc_root(struct btrfs_trans_handle *trans, struct btrfs_root *root);17int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,18 struct btrfs_root *root);19int btrfs_recover_relocation(struct btrfs_fs_info *fs_info);20int btrfs_reloc_clone_csums(struct btrfs_ordered_extent *ordered);21int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,22 struct btrfs_root *root,23 const struct extent_buffer *buf,24 struct extent_buffer *cow);25void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,26 u64 *bytes_to_reserve);27int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,28 struct btrfs_pending_snapshot *pending);29int btrfs_should_cancel_balance(const struct btrfs_fs_info *fs_info);30struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr);31bool btrfs_should_ignore_reloc_root(const struct btrfs_root *root);32u64 btrfs_get_reloc_bg_bytenr(const struct btrfs_fs_info *fs_info);33 34#endif35