bcachefs: Split out bkey_sort.c

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 68 insertions, 0 deletions

diff --git a/fs/bcachefs/bkey_sort.h b/fs/bcachefs/bkey_sort.h
new file mode 100644
index 000000000000..6b1661dd221a
--- /dev/null
+++ b/fs/bcachefs/bkey_sort.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_BKEY_SORT_H
+#define _BCACHEFS_BKEY_SORT_H
+
+struct btree_node_iter_large {
+	u16		used;
+
+	struct btree_node_iter_set data[MAX_BSETS];
+};
+
+void bch2_btree_node_iter_large_push(struct btree_node_iter_large *,
+				     struct btree *,
+				     const struct bkey_packed *,
+				     const struct bkey_packed *);
+
+struct sort_iter {
+	struct btree	*b;
+	unsigned		used;
+
+	struct sort_iter_set {
+		struct bkey_packed *k, *end;
+	} data[MAX_BSETS + 1];
+};
+
+static inline void sort_iter_init(struct sort_iter *iter, struct btree *b)
+{
+	memset(iter, 0, sizeof(*iter));
+	iter->b = b;
+}
+
+static inline void sort_iter_add(struct sort_iter *iter,
+				 struct bkey_packed *k,
+				 struct bkey_packed *end)
+{
+	BUG_ON(iter->used >= ARRAY_SIZE(iter->data));
+
+	if (k != end)
+		iter->data[iter->used++] = (struct sort_iter_set) { k, end };
+}
+
+struct btree_nr_keys
+bch2_key_sort_fix_overlapping(struct bset *, struct btree *,
+			      struct btree_node_iter_large *);
+struct btree_nr_keys
+bch2_extent_sort_fix_overlapping(struct bch_fs *, struct bset *,
+				 struct btree *,
+				 struct btree_node_iter_large *);
+
+struct btree_nr_keys
+bch2_sort_repack_merge(struct bch_fs *,
+		       struct bset *, struct btree *,
+		       struct btree_node_iter *,
+		       struct bkey_format *,
+		       bool,
+		       key_filter_fn,
+		       key_merge_fn);
+
+unsigned bch2_sort_keys(struct bkey_packed *,
+			struct sort_iter *, bool);
+unsigned bch2_sort_extents(struct bkey_packed *,
+			   struct sort_iter *, bool);
+
+unsigned bch2_sort_key_whiteouts(struct bkey_packed *,
+				 struct sort_iter *);
+unsigned bch2_sort_extent_whiteouts(struct bkey_packed *,
+				    struct sort_iter *);
+
+#endif /* _BCACHEFS_BKEY_SORT_H */