#include "util.h"
#include "vstructs.h"
+#if 0
+
+/*
+ * compiled unpack functions are disabled, pending a new interface for
+ * dynamically allocating executable memory:
+ */
+
#ifdef CONFIG_X86_64
#define HAVE_BCACHEFS_COMPILED_UNPACK 1
#endif
+#endif
void bch2_bkey_packed_to_binary_text(struct printbuf *,
const struct bkey_format *,
};
};
-#define bkey_next(_k) vstruct_next(_k)
+#define bkey_p_next(_k) vstruct_next(_k)
+
+static inline struct bkey_i *bkey_next(struct bkey_i *k)
+{
+ return (struct bkey_i *) (k->_data + k->k.u64s);
+}
#define bkey_val_u64s(_k) ((_k)->u64s - BKEY_U64s)
struct btree;
-struct bkey_format_state {
- u64 field_min[BKEY_NR_FIELDS];
- u64 field_max[BKEY_NR_FIELDS];
-};
-
-void bch2_bkey_format_init(struct bkey_format_state *);
-void bch2_bkey_format_add_key(struct bkey_format_state *, const struct bkey *);
-void bch2_bkey_format_add_pos(struct bkey_format_state *, struct bpos);
-struct bkey_format bch2_bkey_format_done(struct bkey_format_state *);
-const char *bch2_bkey_format_validate(struct bkey_format *);
-
__pure
unsigned bch2_bkey_greatest_differing_bit(const struct btree *,
const struct bkey_packed *,
return bkey_cmp_left_packed(b, l, &r);
}
+static __always_inline bool bpos_eq(struct bpos l, struct bpos r)
+{
+ return !((l.inode ^ r.inode) |
+ (l.offset ^ r.offset) |
+ (l.snapshot ^ r.snapshot));
+}
+
+static __always_inline bool bpos_lt(struct bpos l, struct bpos r)
+{
+ return l.inode != r.inode ? l.inode < r.inode :
+ l.offset != r.offset ? l.offset < r.offset :
+ l.snapshot != r.snapshot ? l.snapshot < r.snapshot : false;
+}
+
+static __always_inline bool bpos_le(struct bpos l, struct bpos r)
+{
+ return l.inode != r.inode ? l.inode < r.inode :
+ l.offset != r.offset ? l.offset < r.offset :
+ l.snapshot != r.snapshot ? l.snapshot < r.snapshot : true;
+}
+
+static __always_inline bool bpos_gt(struct bpos l, struct bpos r)
+{
+ return bpos_lt(r, l);
+}
+
+static __always_inline bool bpos_ge(struct bpos l, struct bpos r)
+{
+ return bpos_le(r, l);
+}
+
static __always_inline int bpos_cmp(struct bpos l, struct bpos r)
{
return cmp_int(l.inode, r.inode) ?:
cmp_int(l.snapshot, r.snapshot);
}
+static inline struct bpos bpos_min(struct bpos l, struct bpos r)
+{
+ return bpos_lt(l, r) ? l : r;
+}
+
+static inline struct bpos bpos_max(struct bpos l, struct bpos r)
+{
+ return bpos_gt(l, r) ? l : r;
+}
+
+static __always_inline bool bkey_eq(struct bpos l, struct bpos r)
+{
+ return !((l.inode ^ r.inode) |
+ (l.offset ^ r.offset));
+}
+
+static __always_inline bool bkey_lt(struct bpos l, struct bpos r)
+{
+ return l.inode != r.inode
+ ? l.inode < r.inode
+ : l.offset < r.offset;
+}
+
+static __always_inline bool bkey_le(struct bpos l, struct bpos r)
+{
+ return l.inode != r.inode
+ ? l.inode < r.inode
+ : l.offset <= r.offset;
+}
+
+static __always_inline bool bkey_gt(struct bpos l, struct bpos r)
+{
+ return bkey_lt(r, l);
+}
+
+static __always_inline bool bkey_ge(struct bpos l, struct bpos r)
+{
+ return bkey_le(r, l);
+}
+
static __always_inline int bkey_cmp(struct bpos l, struct bpos r)
{
return cmp_int(l.inode, r.inode) ?:
cmp_int(l.offset, r.offset);
}
-static inline struct bpos bpos_min(struct bpos l, struct bpos r)
+static inline struct bpos bkey_min(struct bpos l, struct bpos r)
{
- return bpos_cmp(l, r) < 0 ? l : r;
+ return bkey_lt(l, r) ? l : r;
}
-static inline struct bpos bpos_max(struct bpos l, struct bpos r)
+static inline struct bpos bkey_max(struct bpos l, struct bpos r)
{
- return bpos_cmp(l, r) > 0 ? l : r;
+ return bkey_gt(l, r) ? l : r;
}
void bch2_bpos_swab(struct bpos *);
/* Disassembled bkeys */
-static inline struct bkey_s_c bkey_disassemble(struct btree *b,
+static inline struct bkey_s_c bkey_disassemble(const struct btree *b,
const struct bkey_packed *k,
struct bkey *u)
{
}
/* non const version: */
-static inline struct bkey_s __bkey_disassemble(struct btree *b,
+static inline struct bkey_s __bkey_disassemble(const struct btree *b,
struct bkey_packed *k,
struct bkey *u)
{
\
static inline struct bkey_i_##name *bkey_i_to_##name(struct bkey_i *k) \
{ \
- EBUG_ON(k->k.type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k) && k->k.type != KEY_TYPE_##name); \
return container_of(&k->k, struct bkey_i_##name, k); \
} \
\
static inline const struct bkey_i_##name * \
bkey_i_to_##name##_c(const struct bkey_i *k) \
{ \
- EBUG_ON(k->k.type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k) && k->k.type != KEY_TYPE_##name); \
return container_of(&k->k, struct bkey_i_##name, k); \
} \
\
static inline struct bkey_s_##name bkey_s_to_##name(struct bkey_s k) \
{ \
- EBUG_ON(k.k->type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k.k) && k.k->type != KEY_TYPE_##name); \
return (struct bkey_s_##name) { \
.k = k.k, \
.v = container_of(k.v, struct bch_##name, v), \
\
static inline struct bkey_s_c_##name bkey_s_c_to_##name(struct bkey_s_c k)\
{ \
- EBUG_ON(k.k->type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k.k) && k.k->type != KEY_TYPE_##name); \
return (struct bkey_s_c_##name) { \
.k = k.k, \
.v = container_of(k.v, struct bch_##name, v), \
\
static inline struct bkey_s_##name bkey_i_to_s_##name(struct bkey_i *k) \
{ \
- EBUG_ON(k->k.type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k) && k->k.type != KEY_TYPE_##name); \
return (struct bkey_s_##name) { \
.k = &k->k, \
.v = container_of(&k->v, struct bch_##name, v), \
static inline struct bkey_s_c_##name \
bkey_i_to_s_c_##name(const struct bkey_i *k) \
{ \
- EBUG_ON(k->k.type != KEY_TYPE_##name); \
+ EBUG_ON(!IS_ERR_OR_NULL(k) && k->k.type != KEY_TYPE_##name); \
return (struct bkey_s_c_##name) { \
.k = &k->k, \
.v = container_of(&k->v, struct bch_##name, v), \
static inline void bch2_bkey_pack_test(void) {}
#endif
+#define bkey_fields() \
+ x(BKEY_FIELD_INODE, p.inode) \
+ x(BKEY_FIELD_OFFSET, p.offset) \
+ x(BKEY_FIELD_SNAPSHOT, p.snapshot) \
+ x(BKEY_FIELD_SIZE, size) \
+ x(BKEY_FIELD_VERSION_HI, version.hi) \
+ x(BKEY_FIELD_VERSION_LO, version.lo)
+
+struct bkey_format_state {
+ u64 field_min[BKEY_NR_FIELDS];
+ u64 field_max[BKEY_NR_FIELDS];
+};
+
+void bch2_bkey_format_init(struct bkey_format_state *);
+
+static inline void __bkey_format_add(struct bkey_format_state *s, unsigned field, u64 v)
+{
+ s->field_min[field] = min(s->field_min[field], v);
+ s->field_max[field] = max(s->field_max[field], v);
+}
+
+/*
+ * Changes @format so that @k can be successfully packed with @format
+ */
+static inline void bch2_bkey_format_add_key(struct bkey_format_state *s, const struct bkey *k)
+{
+#define x(id, field) __bkey_format_add(s, id, k->field);
+ bkey_fields()
+#undef x
+}
+
+void bch2_bkey_format_add_pos(struct bkey_format_state *, struct bpos);
+struct bkey_format bch2_bkey_format_done(struct bkey_format_state *);
+const char *bch2_bkey_format_validate(struct bkey_format *);
+
#endif /* _BCACHEFS_BKEY_H */
projects / bcachefs-tools-debian / blobdiff