relocation.h 1.3 KB

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