1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_RECOVERY_H
#define _BCACHEFS_RECOVERY_H
struct journal_iter {
struct list_head list;
enum btree_id btree_id;
unsigned level;
size_t idx;
struct journal_keys *keys;
};
/*
* Iterate over keys in the btree, with keys from the journal overlaid on top:
*/
struct btree_and_journal_iter {
struct btree *b;
struct btree_node_iter node_iter;
struct bkey unpacked;
struct journal_iter journal;
enum last_key_returned {
none,
btree,
journal,
} last;
};
size_t bch2_journal_key_search(struct journal_keys *, enum btree_id,
unsigned, struct bpos);
struct bkey_i *bch2_journal_keys_peek(struct bch_fs *, enum btree_id,
unsigned, struct bpos pos);
int bch2_journal_key_insert_take(struct bch_fs *, enum btree_id,
unsigned, struct bkey_i *);
int bch2_journal_key_insert(struct bch_fs *, enum btree_id,
unsigned, struct bkey_i *);
int bch2_journal_key_delete(struct bch_fs *, enum btree_id,
unsigned, struct bpos);
void bch2_journal_key_overwritten(struct bch_fs *, enum btree_id,
unsigned, struct bpos);
void bch2_btree_and_journal_iter_advance(struct btree_and_journal_iter *);
struct bkey_s_c bch2_btree_and_journal_iter_peek(struct btree_and_journal_iter *);
struct bkey_s_c bch2_btree_and_journal_iter_next(struct btree_and_journal_iter *);
void bch2_btree_and_journal_iter_exit(struct btree_and_journal_iter *);
void __bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
struct bch_fs *, struct btree *,
struct btree_node_iter, struct bpos);
void bch2_btree_and_journal_iter_init_node_iter(struct btree_and_journal_iter *,
struct bch_fs *,
struct btree *);
void bch2_journal_keys_free(struct journal_keys *);
void bch2_journal_entries_free(struct bch_fs *);
int bch2_fs_recovery(struct bch_fs *);
int bch2_fs_initialize(struct bch_fs *);
#endif /* _BCACHEFS_RECOVERY_H */
|
