fs/btrfs/relocation.h

   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 int btrfs_init_reloc_root(struct btrfs_trans_handle *trans, struct btrfs_root *root);
  17 int btrfs_update_reloc_root(struct btrfs_trans_handle *trans,
  18                             struct btrfs_root *root);
  19 int btrfs_recover_relocation(struct btrfs_fs_info *fs_info);
  20 int btrfs_reloc_clone_csums(struct btrfs_ordered_extent *ordered);
  21 int 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);
  25 void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
  26                               u64 *bytes_to_reserve);
  27 int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
  28                               struct btrfs_pending_snapshot *pending);
  29 int btrfs_should_cancel_balance(const struct btrfs_fs_info *fs_info);
  30 struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr);
  31 bool btrfs_should_ignore_reloc_root(const struct btrfs_root *root);
  32 u64 btrfs_get_reloc_bg_bytenr(const struct btrfs_fs_info *fs_info);
  33
  34 #endif