/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BTRFS_RELOCATION_H#define BTRFS_RELOCATION_H #include <linux/types.h> struct extent_buffer;struct btrfs_fs_info;struct btrfs_root;struct btrfs_trans_handle;struct btrfs_ordered_extent;struct btrfs_pending_snapshot; static inline bool should_relocate_using_remap_tree(const struct btrfs_block_group *bg){	if (!btrfs_fs_incompat(bg->fs_info, REMAP_TREE))		return false; 	if (bg->flags & (BTRFS_BLOCK_GROUP_SYSTEM | BTRFS_BLOCK_GROUP_METADATA_REMAP))		return false; 	return true;} int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start,			       bool verbose);int btrfs_init_reloc_root(struct btrfs_trans_handle *trans, struct btrfs_root *root);int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,			    struct btrfs_root *root);int btrfs_recover_relocation(struct btrfs_fs_info *fs_info);int btrfs_reloc_clone_csums(struct btrfs_ordered_extent *ordered);int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,			  struct btrfs_root *root,			  const struct extent_buffer *buf,			  struct extent_buffer *cow);void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,			      u64 *bytes_to_reserve);int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,			      struct btrfs_pending_snapshot *pending);int btrfs_should_cancel_balance(const struct btrfs_fs_info *fs_info);struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr);bool btrfs_should_ignore_reloc_root(const struct btrfs_root *root);u64 btrfs_get_reloc_bg_bytenr(struct btrfs_fs_info *fs_info);int btrfs_translate_remap(struct btrfs_fs_info *fs_info, u64 *logical, u64 *length);int btrfs_remove_extent_from_remap_tree(struct btrfs_trans_handle *trans,					struct btrfs_path *path,					u64 bytenr, u64 num_bytes);int btrfs_last_identity_remap_gone(struct btrfs_chunk_map *chunk_map,				   struct btrfs_block_group *bg); #endif