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https://github.com/koverstreet/bcachefs-tools.git
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76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_JOURNAL_READ_H
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#define _BCACHEFS_JOURNAL_READ_H
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#include "data/checksum.h"
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#include "util/darray.h"
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void bch2_journal_pos_from_member_info_set(struct bch_fs *);
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void bch2_journal_pos_from_member_info_resume(struct bch_fs *);
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static inline bool journal_replay_ignore(struct journal_replay *i)
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{
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return !i || i->ignore_blacklisted || i->ignore_not_dirty;
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}
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static inline struct jset_entry *__jset_entry_type_next(struct jset *jset,
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struct jset_entry *entry, unsigned type)
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{
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while (entry < vstruct_last(jset)) {
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if (entry->type == type)
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return entry;
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entry = vstruct_next(entry);
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}
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return NULL;
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}
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#define for_each_jset_entry_type(entry, jset, type) \
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for (struct jset_entry *entry = (jset)->start; \
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(entry = __jset_entry_type_next(jset, entry, type)); \
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entry = vstruct_next(entry))
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#define jset_entry_for_each_key(_e, _k) \
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for (struct bkey_i *_k = (_e)->start; \
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_k < vstruct_last(_e); \
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_k = bkey_next(_k))
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#define for_each_jset_key(k, entry, jset) \
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for_each_jset_entry_type(entry, jset, BCH_JSET_ENTRY_btree_keys)\
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jset_entry_for_each_key(entry, k)
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static inline struct nonce journal_nonce(const struct jset *jset)
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{
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return (struct nonce) {{
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[0] = 0,
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[1] = ((__le32 *) &jset->seq)[0],
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[2] = ((__le32 *) &jset->seq)[1],
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[3] = BCH_NONCE_JOURNAL,
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}};
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}
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int bch2_journal_entry_validate(struct bch_fs *, struct jset *,
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struct jset_entry *, unsigned, int,
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struct bkey_validate_context);
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void bch2_journal_entry_to_text(struct printbuf *, struct bch_fs *,
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struct jset_entry *);
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void bch2_journal_ptrs_to_text(struct printbuf *, struct bch_fs *,
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struct journal_replay *);
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int bch2_jset_validate(struct bch_fs *, struct bch_dev *, struct jset *,
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u64, enum bch_validate_flags);
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struct u64_range {
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u64 start;
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u64 end;
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};
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struct u64_range bch2_journal_entry_missing_range(struct bch_fs *, u64, u64);
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int bch2_journal_read(struct bch_fs *, u64 *, u64 *, u64 *);
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#endif /* _BCACHEFS_JOURNAL_READ_H */
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