1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_RECOVERY_H
3 #define _BCACHEFS_RECOVERY_H
7 enum btree_id btree_id;
10 struct journal_keys *keys;
14 * Iterate over keys in the btree, with keys from the journal overlaid on top:
17 struct btree_and_journal_iter {
19 struct btree_node_iter node_iter;
22 struct journal_iter journal;
24 enum last_key_returned {
31 struct bkey_i *bch2_journal_keys_peek_upto(struct bch_fs *, enum btree_id,
32 unsigned, struct bpos, struct bpos, size_t *);
33 struct bkey_i *bch2_journal_keys_peek_slot(struct bch_fs *, enum btree_id,
34 unsigned, struct bpos);
36 int bch2_journal_key_insert_take(struct bch_fs *, enum btree_id,
37 unsigned, struct bkey_i *);
38 int bch2_journal_key_insert(struct bch_fs *, enum btree_id,
39 unsigned, struct bkey_i *);
40 int bch2_journal_key_delete(struct bch_fs *, enum btree_id,
41 unsigned, struct bpos);
42 void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id,
43 unsigned, struct bpos);
45 void bch2_btree_and_journal_iter_advance(struct btree_and_journal_iter *);
46 struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *);
47 struct bkey_s_c bch2_btree_and_journal_iter_next(struct btree_and_journal_iter *);
49 void bch2_btree_and_journal_iter_exit(struct btree_and_journal_iter *);
50 void __bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
51 struct bch_fs *, struct btree *,
52 struct btree_node_iter, struct bpos);
53 void bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
57 void bch2_journal_keys_free(struct journal_keys *);
58 void bch2_journal_entries_free(struct bch_fs *);
60 int bch2_fs_recovery(struct bch_fs *);
61 int bch2_fs_initialize(struct bch_fs *);
63 #endif /* _BCACHEFS_RECOVERY_H */