xref: /openbmc/linux/fs/btrfs/relocation.h (revision fac59652993f075d57860769c99045b3ca18780d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef BTRFS_RELOCATION_H
4 #define BTRFS_RELOCATION_H
5 
6 int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start);
7 int btrfs_init_reloc_root(struct btrfs_trans_handle *trans, struct btrfs_root *root);
8 int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,
9 			    struct btrfs_root *root);
10 int btrfs_recover_relocation(struct btrfs_fs_info *fs_info);
11 int btrfs_reloc_clone_csums(struct btrfs_ordered_extent *ordered);
12 int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
13 			  struct btrfs_root *root,
14 			  const struct extent_buffer *buf,
15 			  struct extent_buffer *cow);
16 void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
17 			      u64 *bytes_to_reserve);
18 int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
19 			      struct btrfs_pending_snapshot *pending);
20 int btrfs_should_cancel_balance(const struct btrfs_fs_info *fs_info);
21 struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr);
22 bool btrfs_should_ignore_reloc_root(const struct btrfs_root *root);
23 u64 btrfs_get_reloc_bg_bytenr(const struct btrfs_fs_info *fs_info);
24 
25 #endif
26