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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_JOURNAL_ITER_TYPES_H
#define _BCACHEFS_BTREE_JOURNAL_ITER_TYPES_H
struct journal_key_range_overwritten {
size_t start, end;
};
struct journal_key {
u64 journal_seq;
u32 journal_offset;
enum btree_id btree_id:8;
unsigned level:8;
bool allocated;
bool overwritten;
struct journal_key_range_overwritten __rcu *
overwritten_range;
struct bkey_i *k;
};
struct journal_keys {
/* must match layout in darray_types.h */
size_t nr, size;
struct journal_key *data;
/*
* Gap buffer: instead of all the empty space in the array being at the
* end of the buffer - from @nr to @size - the empty space is at @gap.
* This means that sequential insertions are O(n) instead of O(n^2).
*/
size_t gap;
atomic_t ref;
bool initial_ref_held;
struct mutex overwrite_lock;
};
#endif /* _BCACHEFS_BTREE_JOURNAL_ITER_TYPES_H */
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