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