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#ifndef _BCACHE_BKEY_METHODS_H
#define _BCACHE_BKEY_METHODS_H
#define DEF_BTREE_ID(kwd, val, name) BKEY_TYPE_##kwd = val,
enum bkey_type {
DEFINE_BCH_BTREE_IDS()
BKEY_TYPE_BTREE,
};
/* Type of a key in btree @id at level @level: */
static inline enum bkey_type bkey_type(unsigned level, enum btree_id id)
{
return level ? BKEY_TYPE_BTREE : id;
}
static inline bool btree_type_has_ptrs(enum bkey_type type)
{
switch (type) {
case BKEY_TYPE_BTREE:
case BKEY_TYPE_EXTENTS:
return true;
default:
return false;
}
}
struct cache_set;
struct btree;
struct bkey;
struct bkey_ops {
/* Returns reason for being invalid if invalid, else NULL: */
const char * (*key_invalid)(const struct cache_set *,
struct bkey_s_c);
void (*key_debugcheck)(struct cache_set *, struct btree *,
struct bkey_s_c);
void (*val_to_text)(struct cache_set *, char *,
size_t, struct bkey_s_c);
void (*swab)(const struct bkey_format *, struct bkey_packed *);
bool is_extents;
};
const char *bkey_invalid(struct cache_set *, enum bkey_type, struct bkey_s_c);
const char *btree_bkey_invalid(struct cache_set *, struct btree *,
struct bkey_s_c);
void bkey_debugcheck(struct cache_set *, struct btree *, struct bkey_s_c);
void bch_bkey_val_to_text(struct cache_set *, enum bkey_type,
char *, size_t, struct bkey_s_c);
void bch_bkey_swab(enum bkey_type, const struct bkey_format *,
struct bkey_packed *);
#undef DEF_BTREE_ID
#endif /* _BCACHE_BKEY_METHODS_H */
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