1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_BKEY_METHODS_H
3 #define _BCACHEFS_BKEY_METHODS_H
12 extern const char * const bch2_bkey_types[];
15 /* Returns reason for being invalid if invalid, else NULL: */
16 const char * (*key_invalid)(const struct bch_fs *,
18 void (*val_to_text)(struct printbuf *, struct bch_fs *,
20 void (*swab)(struct bkey_s);
21 bool (*key_normalize)(struct bch_fs *, struct bkey_s);
22 bool (*key_merge)(struct bch_fs *, struct bkey_s, struct bkey_s_c);
23 void (*compat)(enum btree_id id, unsigned version,
24 unsigned big_endian, int write,
28 extern const struct bkey_ops bch2_bkey_ops[];
30 const char *bch2_bkey_val_invalid(struct bch_fs *, struct bkey_s_c);
31 const char *__bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
32 enum btree_node_type);
33 const char *bch2_bkey_invalid(struct bch_fs *, struct bkey_s_c,
34 enum btree_node_type);
35 const char *bch2_bkey_in_btree_node(struct btree *, struct bkey_s_c);
37 void bch2_bpos_to_text(struct printbuf *, struct bpos);
38 void bch2_bkey_to_text(struct printbuf *, const struct bkey *);
39 void bch2_val_to_text(struct printbuf *, struct bch_fs *,
41 void bch2_bkey_val_to_text(struct printbuf *, struct bch_fs *,
44 void bch2_bkey_swab_val(struct bkey_s);
46 bool bch2_bkey_normalize(struct bch_fs *, struct bkey_s);
48 static inline bool bch2_bkey_maybe_mergable(const struct bkey *l, const struct bkey *r)
50 return l->type == r->type &&
51 !bversion_cmp(l->version, r->version) &&
52 !bpos_cmp(l->p, bkey_start_pos(r)) &&
53 (u64) l->size + r->size <= KEY_SIZE_MAX &&
54 bch2_bkey_ops[l->type].key_merge &&
55 !bch2_key_merging_disabled;
58 bool bch2_bkey_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
60 void bch2_bkey_renumber(enum btree_node_type, struct bkey_packed *, int);
62 void __bch2_bkey_compat(unsigned, enum btree_id, unsigned, unsigned,
63 int, struct bkey_format *, struct bkey_packed *);
65 static inline void bch2_bkey_compat(unsigned level, enum btree_id btree_id,
66 unsigned version, unsigned big_endian,
68 struct bkey_format *f,
69 struct bkey_packed *k)
71 if (version < bcachefs_metadata_version_current ||
72 big_endian != CPU_BIG_ENDIAN)
73 __bch2_bkey_compat(level, btree_id, version,
74 big_endian, write, f, k);
78 #endif /* _BCACHEFS_BKEY_METHODS_H */