#define bkey_whiteout(_k) \
((_k)->type == KEY_TYPE_deleted || (_k)->type == KEY_TYPE_discard)
-#define bkey_packed_typecheck(_k) \
-({ \
- BUILD_BUG_ON(!type_is(_k, struct bkey *) && \
- !type_is(_k, struct bkey_packed *)); \
- type_is(_k, struct bkey_packed *); \
-})
-
enum bkey_lr_packed {
BKEY_PACKED_BOTH,
BKEY_PACKED_RIGHT,
BKEY_PACKED_NONE,
};
-#define bkey_lr_packed_typecheck(_l, _r) \
- (!bkey_packed_typecheck(_l) + ((!bkey_packed_typecheck(_r)) << 1))
-
#define bkey_lr_packed(_l, _r) \
((_l)->format + ((_r)->format << 1))
const struct bpos *);
__pure
-int __bch2_bkey_cmp_packed(const struct bkey_packed *,
- const struct bkey_packed *,
- const struct btree *);
+int bch2_bkey_cmp_packed(const struct btree *,
+ const struct bkey_packed *,
+ const struct bkey_packed *);
__pure
int __bch2_bkey_cmp_left_packed(const struct btree *,
return bkey_cmp_left_packed(b, l, &r);
}
-/*
- * If @_l or @_r are struct bkey * (not bkey_packed *), uses type information to
- * skip dispatching on k->format:
- */
-#define bkey_cmp_packed(_b, _l, _r) \
-({ \
- int _cmp; \
- \
- switch (bkey_lr_packed_typecheck(_l, _r)) { \
- case BKEY_PACKED_NONE: \
- _cmp = bkey_cmp(((struct bkey *) (_l))->p, \
- ((struct bkey *) (_r))->p); \
- break; \
- case BKEY_PACKED_LEFT: \
- _cmp = bkey_cmp_left_packed((_b), \
- (struct bkey_packed *) (_l), \
- &((struct bkey *) (_r))->p); \
- break; \
- case BKEY_PACKED_RIGHT: \
- _cmp = -bkey_cmp_left_packed((_b), \
- (struct bkey_packed *) (_r), \
- &((struct bkey *) (_l))->p); \
- break; \
- case BKEY_PACKED_BOTH: \
- _cmp = __bch2_bkey_cmp_packed((void *) (_l), \
- (void *) (_r), (_b)); \
- break; \
- } \
- _cmp; \
-})
-
#if 1
static __always_inline int bkey_cmp(struct bpos l, struct bpos r)
{
return bkey_cmp(l, r) < 0 ? l : r;
}
+static inline struct bpos bpos_max(struct bpos l, struct bpos r)
+{
+ return bkey_cmp(l, r) > 0 ? l : r;
+}
+
void bch2_bpos_swab(struct bpos *);
void bch2_bkey_swab_key(const struct bkey_format *, struct bkey_packed *);
static inline void bkey_reassemble(struct bkey_i *dst,
struct bkey_s_c src)
{
- BUG_ON(bkey_packed(src.k));
dst->k = *src.k;
- memcpy_u64s(&dst->v, src.v, bkey_val_u64s(src.k));
+ memcpy_u64s_small(&dst->v, src.v, bkey_val_u64s(src.k));
}
#define bkey_s_null ((struct bkey_s) { .k = NULL })
* bkey_i_extent to a bkey_i - since that's always safe, instead of conversion
* functions.
*/
-#define BKEY_VAL_ACCESSORS(name) \
+#define x(name, ...) \
struct bkey_i_##name { \
union { \
struct bkey k; \
return k; \
}
-BKEY_VAL_ACCESSORS(cookie);
-BKEY_VAL_ACCESSORS(btree_ptr);
-BKEY_VAL_ACCESSORS(extent);
-BKEY_VAL_ACCESSORS(reservation);
-BKEY_VAL_ACCESSORS(inode);
-BKEY_VAL_ACCESSORS(inode_generation);
-BKEY_VAL_ACCESSORS(dirent);
-BKEY_VAL_ACCESSORS(xattr);
-BKEY_VAL_ACCESSORS(alloc);
-BKEY_VAL_ACCESSORS(quota);
-BKEY_VAL_ACCESSORS(stripe);
-BKEY_VAL_ACCESSORS(reflink_p);
-BKEY_VAL_ACCESSORS(reflink_v);
-BKEY_VAL_ACCESSORS(inline_data);
+BCH_BKEY_TYPES();
+#undef x
/* byte order helpers */