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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BKEY_SORT_H
#define _BCACHEFS_BKEY_SORT_H
struct sort_iter {
struct btree *b;
unsigned used;
unsigned size;
struct sort_iter_set {
struct bkey_packed *k, *end;
} data[];
};
static inline void sort_iter_init(struct sort_iter *iter, struct btree *b, unsigned size)
{
iter->b = b;
iter->used = 0;
iter->size = size;
}
struct sort_iter_stack {
struct sort_iter iter;
struct sort_iter_set sets[MAX_BSETS + 1];
};
static inline void sort_iter_stack_init(struct sort_iter_stack *iter, struct btree *b)
{
sort_iter_init(&iter->iter, b, ARRAY_SIZE(iter->sets));
}
static inline void sort_iter_add(struct sort_iter *iter,
struct bkey_packed *k,
struct bkey_packed *end)
{
BUG_ON(iter->used >= iter->size);
if (k != end)
iter->data[iter->used++] = (struct sort_iter_set) { k, end };
}
struct btree_nr_keys
bch2_key_sort_fix_overlapping(struct bch_fs *, struct bset *,
struct sort_iter *);
struct btree_nr_keys
bch2_sort_repack(struct bset *, struct btree *,
struct btree_node_iter *,
struct bkey_format *, bool);
unsigned bch2_sort_keys_keep_unwritten_whiteouts(struct bkey_packed *, struct sort_iter *);
unsigned bch2_sort_keys(struct bkey_packed *, struct sort_iter *);
#endif /* _BCACHEFS_BKEY_SORT_H */
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