static inline bool extent_entry_is_ptr(const union bch_extent_entry *e)
{
- switch (extent_entry_type(e)) {
- case BCH_EXTENT_ENTRY_ptr:
- return true;
- default:
- return false;
- }
+ return extent_entry_type(e) == BCH_EXTENT_ENTRY_ptr;
+}
+
+static inline bool extent_entry_is_stripe_ptr(const union bch_extent_entry *e)
+{
+ return extent_entry_type(e) == BCH_EXTENT_ENTRY_stripe_ptr;
}
static inline bool extent_entry_is_crc(const union bch_extent_entry *e)
switch (k.k->type) {
case KEY_TYPE_btree_ptr: {
struct bkey_s_c_btree_ptr e = bkey_s_c_to_btree_ptr(k);
+
return (struct bkey_ptrs_c) {
to_entry(&e.v->start[0]),
to_entry(extent_entry_last(e))
}
case KEY_TYPE_extent: {
struct bkey_s_c_extent e = bkey_s_c_to_extent(k);
+
return (struct bkey_ptrs_c) {
e.v->start,
extent_entry_last(e)
}
case KEY_TYPE_stripe: {
struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k);
+
return (struct bkey_ptrs_c) {
to_entry(&s.v->ptrs[0]),
to_entry(&s.v->ptrs[s.v->nr_blocks]),
}
case KEY_TYPE_btree_ptr_v2: {
struct bkey_s_c_btree_ptr_v2 e = bkey_s_c_to_btree_ptr_v2(k);
+
return (struct bkey_ptrs_c) {
to_entry(&e.v->start[0]),
to_entry(extent_entry_last(e))
#define extent_for_each_entry_from(_e, _entry, _start) \
__bkey_extent_entry_for_each_from(_start, \
- extent_entry_last(_e),_entry)
+ extent_entry_last(_e), _entry)
#define extent_for_each_entry(_e, _entry) \
extent_for_each_entry_from(_e, _entry, (_e).v->start)
/* KEY_TYPE_btree_ptr: */
-const char *bch2_btree_ptr_invalid(const struct bch_fs *, struct bkey_s_c);
-void bch2_btree_ptr_debugcheck(struct bch_fs *, struct bkey_s_c);
+int bch2_btree_ptr_invalid(const struct bch_fs *, struct bkey_s_c, unsigned, struct printbuf *);
void bch2_btree_ptr_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
-void bch2_btree_ptr_v2_to_text(struct printbuf *, struct bch_fs *,
- struct bkey_s_c);
+int bch2_btree_ptr_v2_invalid(const struct bch_fs *, struct bkey_s_c, unsigned, struct printbuf *);
+void bch2_btree_ptr_v2_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
void bch2_btree_ptr_v2_compat(enum btree_id, unsigned, unsigned,
int, struct bkey_s);
-#define bch2_bkey_ops_btree_ptr (struct bkey_ops) { \
+#define bch2_bkey_ops_btree_ptr ((struct bkey_ops) { \
.key_invalid = bch2_btree_ptr_invalid, \
- .key_debugcheck = bch2_btree_ptr_debugcheck, \
.val_to_text = bch2_btree_ptr_to_text, \
.swab = bch2_ptr_swab, \
-}
+ .trans_trigger = bch2_trans_mark_extent, \
+ .atomic_trigger = bch2_mark_extent, \
+})
-#define bch2_bkey_ops_btree_ptr_v2 (struct bkey_ops) { \
- .key_invalid = bch2_btree_ptr_invalid, \
- .key_debugcheck = bch2_btree_ptr_debugcheck, \
+#define bch2_bkey_ops_btree_ptr_v2 ((struct bkey_ops) { \
+ .key_invalid = bch2_btree_ptr_v2_invalid, \
.val_to_text = bch2_btree_ptr_v2_to_text, \
.swab = bch2_ptr_swab, \
.compat = bch2_btree_ptr_v2_compat, \
-}
+ .trans_trigger = bch2_trans_mark_extent, \
+ .atomic_trigger = bch2_mark_extent, \
+})
/* KEY_TYPE_extent: */
-const char *bch2_extent_invalid(const struct bch_fs *, struct bkey_s_c);
-void bch2_extent_debugcheck(struct bch_fs *, struct bkey_s_c);
-void bch2_extent_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-enum merge_result bch2_extent_merge(struct bch_fs *,
- struct bkey_s, struct bkey_s);
+bool bch2_extent_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
-#define bch2_bkey_ops_extent (struct bkey_ops) { \
- .key_invalid = bch2_extent_invalid, \
- .key_debugcheck = bch2_extent_debugcheck, \
- .val_to_text = bch2_extent_to_text, \
+#define bch2_bkey_ops_extent ((struct bkey_ops) { \
+ .key_invalid = bch2_bkey_ptrs_invalid, \
+ .val_to_text = bch2_bkey_ptrs_to_text, \
.swab = bch2_ptr_swab, \
.key_normalize = bch2_extent_normalize, \
.key_merge = bch2_extent_merge, \
-}
+ .trans_trigger = bch2_trans_mark_extent, \
+ .atomic_trigger = bch2_mark_extent, \
+})
/* KEY_TYPE_reservation: */
-const char *bch2_reservation_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_reservation_invalid(const struct bch_fs *, struct bkey_s_c,
+ unsigned, struct printbuf *);
void bch2_reservation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-enum merge_result bch2_reservation_merge(struct bch_fs *,
- struct bkey_s, struct bkey_s);
+bool bch2_reservation_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
-#define bch2_bkey_ops_reservation (struct bkey_ops) { \
+#define bch2_bkey_ops_reservation ((struct bkey_ops) { \
.key_invalid = bch2_reservation_invalid, \
.val_to_text = bch2_reservation_to_text, \
.key_merge = bch2_reservation_merge, \
-}
+ .trans_trigger = bch2_trans_mark_reservation, \
+ .atomic_trigger = bch2_mark_reservation, \
+})
/* Extent checksum entries: */
/* Generic code for keys with pointers: */
+static inline bool bkey_is_btree_ptr(const struct bkey *k)
+{
+ switch (k->type) {
+ case KEY_TYPE_btree_ptr:
+ case KEY_TYPE_btree_ptr_v2:
+ return true;
+ default:
+ return false;
+ }
+}
+
static inline bool bkey_extent_is_direct_data(const struct bkey *k)
{
switch (k->type) {
}
}
+static inline bool bkey_extent_is_unwritten(struct bkey_s_c k)
+{
+ struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
+ const struct bch_extent_ptr *ptr;
+
+ bkey_for_each_ptr(ptrs, ptr)
+ if (ptr->unwritten)
+ return true;
+ return false;
+}
+
+static inline bool bkey_extent_is_reservation(struct bkey_s_c k)
+{
+ return k.k->type == KEY_TYPE_reservation ||
+ bkey_extent_is_unwritten(k);
+}
+
static inline struct bch_devs_list bch2_bkey_devs(struct bkey_s_c k)
{
struct bch_devs_list ret = (struct bch_devs_list) { 0 };
return ret;
}
+static inline unsigned bch2_bkey_ptr_data_type(struct bkey_s_c k, const struct bch_extent_ptr *ptr)
+{
+ switch (k.k->type) {
+ case KEY_TYPE_btree_ptr:
+ case KEY_TYPE_btree_ptr_v2:
+ return BCH_DATA_btree;
+ case KEY_TYPE_extent:
+ case KEY_TYPE_reflink_v:
+ return BCH_DATA_user;
+ case KEY_TYPE_stripe: {
+ struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k);
+
+ BUG_ON(ptr < s.v->ptrs ||
+ ptr >= s.v->ptrs + s.v->nr_blocks);
+
+ return ptr >= s.v->ptrs + s.v->nr_blocks - s.v->nr_redundant
+ ? BCH_DATA_parity
+ : BCH_DATA_user;
+ }
+ default:
+ BUG();
+ }
+}
+
unsigned bch2_bkey_nr_ptrs(struct bkey_s_c);
unsigned bch2_bkey_nr_ptrs_allocated(struct bkey_s_c);
unsigned bch2_bkey_nr_ptrs_fully_allocated(struct bkey_s_c);
bool bch2_bkey_is_incompressible(struct bkey_s_c);
unsigned bch2_bkey_sectors_compressed(struct bkey_s_c);
-bool bch2_check_range_allocated(struct bch_fs *, struct bpos, u64, unsigned, bool);
unsigned bch2_bkey_replicas(struct bch_fs *, struct bkey_s_c);
+unsigned bch2_extent_ptr_durability(struct bch_fs *, struct extent_ptr_decoded *);
unsigned bch2_bkey_durability(struct bch_fs *, struct bkey_s_c);
-void bch2_bkey_mark_replicas_cached(struct bch_fs *, struct bkey_s,
- unsigned, unsigned);
+void bch2_bkey_drop_device(struct bkey_s, unsigned);
+void bch2_bkey_drop_device_noerror(struct bkey_s, unsigned);
+const struct bch_extent_ptr *bch2_bkey_has_device(struct bkey_s_c, unsigned);
+bool bch2_bkey_has_target(struct bch_fs *, struct bkey_s_c, unsigned);
void bch2_bkey_extent_entry_drop(struct bkey_i *, union bch_extent_entry *);
-void bch2_bkey_append_ptr(struct bkey_i *, struct bch_extent_ptr);
+
+static inline void bch2_bkey_append_ptr(struct bkey_i *k, struct bch_extent_ptr ptr)
+{
+ EBUG_ON(bch2_bkey_has_device(bkey_i_to_s_c(k), ptr.dev));
+
+ switch (k->k.type) {
+ case KEY_TYPE_btree_ptr:
+ case KEY_TYPE_btree_ptr_v2:
+ case KEY_TYPE_extent:
+ EBUG_ON(bkey_val_u64s(&k->k) >= BKEY_EXTENT_VAL_U64s_MAX);
+
+ ptr.type = 1 << BCH_EXTENT_ENTRY_ptr;
+
+ memcpy((void *) &k->v + bkey_val_bytes(&k->k),
+ &ptr,
+ sizeof(ptr));
+ k->u64s++;
+ break;
+ default:
+ BUG();
+ }
+}
+
void bch2_extent_ptr_decoded_append(struct bkey_i *,
struct extent_ptr_decoded *);
union bch_extent_entry *bch2_bkey_drop_ptr(struct bkey_s,
} \
} while (0)
-void bch2_bkey_drop_device(struct bkey_s, unsigned);
-const struct bch_extent_ptr *bch2_bkey_has_device(struct bkey_s_c, unsigned);
-bool bch2_bkey_has_target(struct bch_fs *, struct bkey_s_c, unsigned);
-
bool bch2_bkey_matches_ptr(struct bch_fs *, struct bkey_s_c,
struct bch_extent_ptr, u64);
+bool bch2_extents_match(struct bkey_s_c, struct bkey_s_c);
+bool bch2_extent_has_ptr(struct bkey_s_c, struct extent_ptr_decoded, struct bkey_s_c);
bool bch2_extent_normalize(struct bch_fs *, struct bkey_s);
void bch2_bkey_ptrs_to_text(struct printbuf *, struct bch_fs *,
struct bkey_s_c);
-const char *bch2_bkey_ptrs_invalid(const struct bch_fs *, struct bkey_s_c);
+int bch2_bkey_ptrs_invalid(const struct bch_fs *, struct bkey_s_c,
+ unsigned, struct printbuf *);
void bch2_ptr_swab(struct bkey_s);
/* Generic extent code: */
+enum bch_extent_overlap {
+ BCH_EXTENT_OVERLAP_ALL = 0,
+ BCH_EXTENT_OVERLAP_BACK = 1,
+ BCH_EXTENT_OVERLAP_FRONT = 2,
+ BCH_EXTENT_OVERLAP_MIDDLE = 3,
+};
+
+/* Returns how k overlaps with m */
+static inline enum bch_extent_overlap bch2_extent_overlap(const struct bkey *k,
+ const struct bkey *m)
+{
+ int cmp1 = bkey_lt(k->p, m->p);
+ int cmp2 = bkey_gt(bkey_start_pos(k), bkey_start_pos(m));
+
+ return (cmp1 << 1) + cmp2;
+}
+
int bch2_cut_front_s(struct bpos, struct bkey_s);
int bch2_cut_back_s(struct bpos, struct bkey_s);
projects / bcachefs-tools-debian / blobdiff