Staging
v0.5.1
v0.5.1
https://github.com/torvalds/linux
Tip revision: 815fb87b753055df2d9e50f6cd80eb10235fe3e9 authored by Linus Torvalds on 02 December 2023, 00:01:00 UTC
Merge tag 'pm-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Merge tag 'pm-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Tip revision: 815fb87
btree_journal_iter.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_JOURNAL_ITER_H
#define _BCACHEFS_BTREE_JOURNAL_ITER_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;
struct bpos pos;
bool at_end;
};
struct bkey_i *bch2_journal_keys_peek_upto(struct bch_fs *, enum btree_id,
unsigned, struct bpos, struct bpos, size_t *);
struct bkey_i *bch2_journal_keys_peek_slot(struct bch_fs *, enum btree_id,
unsigned, struct bpos);
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 *);
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_put(struct bch_fs *);
static inline void bch2_journal_keys_put_initial(struct bch_fs *c)
{
if (c->journal_keys.initial_ref_held)
bch2_journal_keys_put(c);
c->journal_keys.initial_ref_held = false;
}
void bch2_journal_entries_free(struct bch_fs *);
int bch2_journal_keys_sort(struct bch_fs *);
#endif /* _BCACHEFS_BTREE_JOURNAL_ITER_H */