1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef BTRFS_RELOCATION_H 4 #define BTRFS_RELOCATION_H 5 6 #include <linux/types.h> 7 8 struct extent_buffer; 9 struct btrfs_fs_info; 10 struct btrfs_root; 11 struct btrfs_trans_handle; 12 struct btrfs_ordered_extent; 13 struct btrfs_pending_snapshot; 14 15 int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start, 16 bool verbose); 17 int btrfs_init_reloc_root(struct btrfs_trans_handle *trans, struct btrfs_root *root); 18 int btrfs_update_reloc_root(struct btrfs_trans_handle *trans, 19 struct btrfs_root *root); 20 int btrfs_recover_relocation(struct btrfs_fs_info *fs_info); 21 int btrfs_reloc_clone_csums(struct btrfs_ordered_extent *ordered); 22 int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans, 23 struct btrfs_root *root, 24 const struct extent_buffer *buf, 25 struct extent_buffer *cow); 26 void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending, 27 u64 *bytes_to_reserve); 28 int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans, 29 struct btrfs_pending_snapshot *pending); 30 int btrfs_should_cancel_balance(const struct btrfs_fs_info *fs_info); 31 struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr); 32 bool btrfs_should_ignore_reloc_root(const struct btrfs_root *root); 33 u64 btrfs_get_reloc_bg_bytenr(const struct btrfs_fs_info *fs_info); 34 35 #endif 36