1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_BTREE_JOURNAL_ITER_H
3 #define _BCACHEFS_BTREE_JOURNAL_ITER_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;
27 struct bkey_i *bch2_journal_keys_peek_upto(struct bch_fs *, enum btree_id,
28 unsigned, struct bpos, struct bpos, size_t *);
29 struct bkey_i *bch2_journal_keys_peek_slot(struct bch_fs *, enum btree_id,
30 unsigned, struct bpos);
32 int bch2_journal_key_insert_take(struct bch_fs *, enum btree_id,
33 unsigned, struct bkey_i *);
34 int bch2_journal_key_insert(struct bch_fs *, enum btree_id,
35 unsigned, struct bkey_i *);
36 int bch2_journal_key_delete(struct bch_fs *, enum btree_id,
37 unsigned, struct bpos);
38 void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id,
39 unsigned, struct bpos);
41 void bch2_btree_and_journal_iter_advance(struct btree_and_journal_iter *);
42 struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *);
44 void bch2_btree_and_journal_iter_exit(struct btree_and_journal_iter *);
45 void __bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
46 struct bch_fs *, struct btree *,
47 struct btree_node_iter, struct bpos);
48 void bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
52 void bch2_journal_keys_free(struct journal_keys *);
53 void bch2_journal_entries_free(struct bch_fs *);
55 int bch2_journal_keys_sort(struct bch_fs *);
57 #endif /* _BCACHEFS_BTREE_JOURNAL_ITER_H */