From 9f0fc191371843c4fc000a226b0a26b6c059aacd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:40:19 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- fs/bcachefs/journal_io.h | 65 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 fs/bcachefs/journal_io.h (limited to 'fs/bcachefs/journal_io.h') diff --git a/fs/bcachefs/journal_io.h b/fs/bcachefs/journal_io.h new file mode 100644 index 0000000000..c035e7c108 --- /dev/null +++ b/fs/bcachefs/journal_io.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_JOURNAL_IO_H +#define _BCACHEFS_JOURNAL_IO_H + +/* + * Only used for holding the journal entries we read in btree_journal_read() + * during cache_registration + */ +struct journal_replay { + struct journal_ptr { + bool csum_good; + u8 dev; + u32 bucket; + u32 bucket_offset; + u64 sector; + } ptrs[BCH_REPLICAS_MAX]; + unsigned nr_ptrs; + + bool csum_good; + bool ignore; + /* must be last: */ + struct jset j; +}; + +static inline struct jset_entry *__jset_entry_type_next(struct jset *jset, + struct jset_entry *entry, unsigned type) +{ + while (entry < vstruct_last(jset)) { + if (entry->type == type) + return entry; + + entry = vstruct_next(entry); + } + + return NULL; +} + +#define for_each_jset_entry_type(entry, jset, type) \ + for (entry = (jset)->start; \ + (entry = __jset_entry_type_next(jset, entry, type)); \ + entry = vstruct_next(entry)) + +#define jset_entry_for_each_key(_e, _k) \ + for (_k = (_e)->start; \ + _k < vstruct_last(_e); \ + _k = bkey_next(_k)) + +#define for_each_jset_key(k, entry, jset) \ + for_each_jset_entry_type(entry, jset, BCH_JSET_ENTRY_btree_keys)\ + jset_entry_for_each_key(entry, k) + +int bch2_journal_entry_validate(struct bch_fs *, struct jset *, + struct jset_entry *, unsigned, int, + enum bkey_invalid_flags); +void bch2_journal_entry_to_text(struct printbuf *, struct bch_fs *, + struct jset_entry *); + +void bch2_journal_ptrs_to_text(struct printbuf *, struct bch_fs *, + struct journal_replay *); + +int bch2_journal_read(struct bch_fs *, u64 *, u64 *, u64 *); + +CLOSURE_CALLBACK(bch2_journal_write); + +#endif /* _BCACHEFS_JOURNAL_IO_H */ -- cgit v1.2.3