1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_JOURNAL_IO_H
3 #define _BCACHEFS_JOURNAL_IO_H
6 * Only used for holding the journal entries we read in btree_journal_read()
7 * during cache_registration
9 struct journal_replay {
10 struct list_head list;
16 } ptrs[BCH_REPLICAS_MAX];
19 /* checksum error, but we may want to try using it anyways: */
26 static inline struct jset_entry *__jset_entry_type_next(struct jset *jset,
27 struct jset_entry *entry, unsigned type)
29 while (entry < vstruct_last(jset)) {
30 if (entry->type == type)
33 entry = vstruct_next(entry);
39 #define for_each_jset_entry_type(entry, jset, type) \
40 for (entry = (jset)->start; \
41 (entry = __jset_entry_type_next(jset, entry, type)); \
42 entry = vstruct_next(entry))
44 #define for_each_jset_key(k, _n, entry, jset) \
45 for_each_jset_entry_type(entry, jset, BCH_JSET_ENTRY_btree_keys) \
46 vstruct_for_each_safe(entry, k, _n)
48 int bch2_journal_entry_validate(struct bch_fs *, const char *,
49 struct jset_entry *, unsigned, int, int);
50 void bch2_journal_entry_to_text(struct printbuf *, struct bch_fs *,
53 void bch2_journal_ptrs_to_text(struct printbuf *, struct bch_fs *,
54 struct journal_replay *);
56 int bch2_journal_read(struct bch_fs *, struct list_head *, u64 *, u64 *);
58 void bch2_journal_write(struct closure *);
60 #endif /* _BCACHEFS_JOURNAL_IO_H */