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Update bcachefs sources to b91a514413 bcachefs: Don't try to delete stripes when RO
[bcachefs-tools-debian] / libbcachefs / journal_io.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_JOURNAL_IO_H
3 #define _BCACHEFS_JOURNAL_IO_H
4
5 /*
6  * Only used for holding the journal entries we read in btree_journal_read()
7  * during cache_registration
8  */
9 struct journal_replay {
10         struct list_head        list;
11         struct bch_devs_list    devs;
12         /* must be last: */
13         struct jset             j;
14 };
15
16 static inline struct jset_entry *__jset_entry_type_next(struct jset *jset,
17                                         struct jset_entry *entry, unsigned type)
18 {
19         while (entry < vstruct_last(jset)) {
20                 if (entry->type == type)
21                         return entry;
22
23                 entry = vstruct_next(entry);
24         }
25
26         return NULL;
27 }
28
29 #define for_each_jset_entry_type(entry, jset, type)                     \
30         for (entry = (jset)->start;                                     \
31              (entry = __jset_entry_type_next(jset, entry, type));       \
32              entry = vstruct_next(entry))
33
34 #define for_each_jset_key(k, _n, entry, jset)                           \
35         for_each_jset_entry_type(entry, jset, BCH_JSET_ENTRY_btree_keys)        \
36                 vstruct_for_each_safe(entry, k, _n)
37
38 int bch2_journal_read(struct bch_fs *, struct list_head *);
39
40 void bch2_journal_write(struct closure *);
41
42 #endif /* _BCACHEFS_JOURNAL_IO_H */