static inline bool same_leaf_as_prev(struct btree_trans *trans,
struct btree_insert_entry *i)
{
- return i != trans->updates &&
- i[0].iter->l[0].b == i[-1].iter->l[0].b;
+ return i != trans->updates2 &&
+ iter_l(i[0].iter)->b == iter_l(i[-1].iter)->b;
}
-
inline void bch2_btree_node_lock_for_insert(struct bch_fs *c, struct btree *b,
struct btree_iter *iter)
{
EBUG_ON(btree_node_just_written(b));
EBUG_ON(bset_written(b, btree_bset_last(b)));
EBUG_ON(bkey_deleted(&insert->k) && bkey_val_u64s(&insert->k));
- EBUG_ON(bkey_cmp(bkey_start_pos(&insert->k), b->data->min_key) < 0 ||
- bkey_cmp(insert->k.p, b->data->max_key) > 0);
+ EBUG_ON(bkey_cmp(b->data->min_key, POS_MIN) &&
+ bkey_cmp(bkey_start_pos(&insert->k),
+ bkey_predecessor(b->data->min_key)) < 0);
+ EBUG_ON(bkey_cmp(insert->k.p, b->data->min_key) < 0);
+ EBUG_ON(bkey_cmp(insert->k.p, b->data->max_key) > 0);
+ EBUG_ON(insert->k.u64s >
+ bch_btree_keys_u64s_remaining(iter->trans->c, b));
+ EBUG_ON(iter->flags & BTREE_ITER_IS_EXTENTS);
k = bch2_btree_node_iter_peek_all(node_iter, b);
if (k && bkey_cmp_packed(b, k, &insert->k))
k->type = KEY_TYPE_deleted;
if (k->needs_whiteout)
- push_whiteout(iter->trans->c, b, k);
+ push_whiteout(iter->trans->c, b, insert->k.p);
k->needs_whiteout = false;
if (k >= btree_bset_last(b)->start) {
return __btree_node_flush(j, pin, 1, seq);
}
+inline void bch2_btree_add_journal_pin(struct bch_fs *c,
+ struct btree *b, u64 seq)
+{
+ struct btree_write *w = btree_current_write(b);
+
+ bch2_journal_pin_add(&c->journal, seq, &w->journal,
+ btree_node_write_idx(b) == 0
+ ? btree_node_flush0
+ : btree_node_flush1);
+}
+
static inline void __btree_journal_key(struct btree_trans *trans,
enum btree_id btree_id,
struct bkey_i *insert)
*trans->journal_seq = seq;
}
-void bch2_btree_journal_key(struct btree_trans *trans,
- struct btree_iter *iter,
- struct bkey_i *insert)
+static void bch2_btree_journal_key(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bkey_i *insert)
{
struct bch_fs *c = trans->c;
struct journal *j = &c->journal;
- struct btree *b = iter->l[0].b;
- struct btree_write *w = btree_current_write(b);
+ struct btree *b = iter_l(iter)->b;
- EBUG_ON(iter->level || b->level);
EBUG_ON(trans->journal_res.ref !=
!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY));
cpu_to_le64(trans->journal_res.seq);
}
- if (unlikely(!journal_pin_active(&w->journal))) {
- u64 seq = likely(!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY))
+ bch2_btree_add_journal_pin(c, b,
+ likely(!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY))
? trans->journal_res.seq
- : j->replay_journal_seq;
-
- bch2_journal_pin_add(j, seq, &w->journal,
- btree_node_write_idx(b) == 0
- ? btree_node_flush0
- : btree_node_flush1);
- }
+ : j->replay_journal_seq);
if (unlikely(!btree_node_dirty(b)))
set_btree_node_dirty(b);
}
-static void bch2_insert_fixup_key(struct btree_trans *trans,
- struct btree_iter *iter,
- struct bkey_i *insert)
-{
- struct btree_iter_level *l = &iter->l[0];
-
- EBUG_ON(iter->level);
- EBUG_ON(insert->k.u64s >
- bch_btree_keys_u64s_remaining(trans->c, l->b));
-
- if (likely(bch2_btree_bset_insert_key(iter, l->b, &l->iter, insert)))
- bch2_btree_journal_key(trans, iter, insert);
-}
-
/**
* btree_insert_key - insert a key one key into a leaf node
*/
struct bkey_i *insert)
{
struct bch_fs *c = trans->c;
- struct btree *b = iter->l[0].b;
+ struct btree *b = iter_l(iter)->b;
struct bset_tree *t = bset_tree_last(b);
int old_u64s = bset_u64s(t);
int old_live_u64s = b->nr.live_u64s;
insert->k.needs_whiteout = false;
- if (!btree_node_is_extents(b))
- bch2_insert_fixup_key(trans, iter, insert);
- else
- bch2_insert_fixup_extent(trans, iter, insert);
+ if (likely(bch2_btree_bset_insert_key(iter, b, &iter_l(iter)->iter, insert)))
+ bch2_btree_journal_key(trans, iter, insert);
live_u64s_added = (int) b->nr.live_u64s - old_live_u64s;
u64s_added = (int) bset_u64s(t) - old_u64s;
{
struct bch_fs *c = trans->c;
- BUG_ON(iter->level);
- BUG_ON(bkey_cmp(bkey_start_pos(&insert->k), iter->pos));
- EBUG_ON((iter->flags & BTREE_ITER_IS_EXTENTS) &&
- bkey_cmp(insert->k.p, iter->l[0].b->key.k.p) > 0);
-
+ BUG_ON(bkey_cmp(insert->k.p, iter->pos));
BUG_ON(debug_check_bkeys(c) &&
- !bkey_deleted(&insert->k) &&
- bch2_bkey_invalid(c, bkey_i_to_s_c(insert), iter->btree_id));
+ bch2_bkey_invalid(c, bkey_i_to_s_c(insert),
+ __btree_node_type(iter->level, iter->btree_id)));
}
static noinline int
unsigned *u64s)
{
struct bch_fs *c = trans->c;
- struct btree *b = iter->l[0].b;
+ struct btree *b = iter_l(iter)->b;
static enum btree_insert_ret ret;
if (unlikely(btree_node_fake(b)))
return BTREE_INSERT_BTREE_NODE_FULL;
- ret = !btree_node_is_extents(b)
+ /*
+ * old bch2_extent_sort_fix_overlapping() algorithm won't work with new
+ * style extent updates:
+ */
+ if (unlikely(btree_node_old_extent_overwrite(b)))
+ return BTREE_INSERT_BTREE_NODE_FULL;
+
+ ret = !(iter->flags & BTREE_ITER_IS_EXTENTS)
? BTREE_INSERT_OK
- : bch2_extent_can_insert(trans, iter, insert, u64s);
+ : bch2_extent_can_insert(trans, iter, insert);
if (ret)
return ret;
struct btree_insert_entry *i;
trans_for_each_update(trans, i)
- if (gc_visited(c, gc_pos_btree_node(i->iter->l[0].b)))
+ if (gc_visited(c, gc_pos_btree_node(iter_l(i->iter)->b)))
bch2_mark_update(trans, i->iter, i->k, NULL,
i->trigger_flags|BTREE_TRIGGER_GC);
}
prefetch(&trans->c->journal.flags);
- trans_for_each_update(trans, i) {
+ trans_for_each_update2(trans, i) {
/* Multiple inserts might go to same leaf: */
if (!same_leaf_as_prev(trans, i))
u64s = 0;
if (!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY)) {
if (journal_seq_verify(c))
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
i->k->k.version.lo = trans->journal_res.seq;
else if (inject_invalid_keys(c))
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
i->k->k.version = MAX_VERSION;
}
if (unlikely(c->gc_pos.phase))
bch2_trans_mark_gc(trans);
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
do_btree_insert_one(trans, i->iter, i->k);
err:
if (marking) {
struct btree_iter *iter;
int ret;
- trans_for_each_update(trans, i)
- BUG_ON(!btree_node_intent_locked(i->iter, 0));
+ trans_for_each_update2(trans, i)
+ BUG_ON(!btree_node_intent_locked(i->iter, i->iter->level));
ret = bch2_journal_preres_get(&trans->c->journal,
&trans->journal_preres, trans->journal_preres_u64s,
}
if (IS_ENABLED(CONFIG_BCACHEFS_DEBUG))
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
btree_insert_entry_checks(trans, i->iter, i->k);
bch2_btree_trans_verify_locks(trans);
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
if (!same_leaf_as_prev(trans, i))
bch2_btree_node_lock_for_insert(trans->c,
- i->iter->l[0].b, i->iter);
+ iter_l(i->iter)->b, i->iter);
ret = bch2_trans_commit_write_locked(trans, stopped_at);
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
if (!same_leaf_as_prev(trans, i))
- bch2_btree_node_unlock_write_inlined(i->iter->l[0].b,
+ bch2_btree_node_unlock_write_inlined(iter_l(i->iter)->b,
i->iter);
/*
if (trans->flags & BTREE_INSERT_NOUNLOCK)
trans->nounlock = true;
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
if (!same_leaf_as_prev(trans, i))
bch2_foreground_maybe_merge(trans->c, i->iter,
0, trans->flags);
trans->nounlock = false;
- trans_for_each_update(trans, i)
+ trans_for_each_update2(trans, i)
bch2_btree_iter_downgrade(i->iter);
return 0;
return 0;
}
+static void bch2_trans_update2(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bkey_i *insert)
+{
+ struct btree_insert_entry *i, n = (struct btree_insert_entry) {
+ .iter = iter, .k = insert
+ };
+
+ btree_insert_entry_checks(trans, n.iter, n.k);
+
+ BUG_ON(iter->uptodate > BTREE_ITER_NEED_PEEK);
+
+ EBUG_ON(trans->nr_updates2 >= trans->nr_iters);
+
+ iter->flags |= BTREE_ITER_KEEP_UNTIL_COMMIT;
+
+ trans_for_each_update2(trans, i) {
+ if (btree_iter_cmp(n.iter, i->iter) == 0) {
+ *i = n;
+ return;
+ }
+
+ if (btree_iter_cmp(n.iter, i->iter) <= 0)
+ break;
+ }
+
+ array_insert_item(trans->updates2, trans->nr_updates2,
+ i - trans->updates2, n);
+}
+
+static int extent_update_to_keys(struct btree_trans *trans,
+ struct btree_iter *orig_iter,
+ struct bkey_i *insert)
+{
+ struct btree_iter *iter;
+
+ if (bkey_deleted(&insert->k))
+ return 0;
+
+ iter = bch2_trans_copy_iter(trans, orig_iter);
+ if (IS_ERR(iter))
+ return PTR_ERR(iter);
+
+ iter->flags |= BTREE_ITER_INTENT;
+ __bch2_btree_iter_set_pos(iter, insert->k.p, false);
+ bch2_trans_update2(trans, iter, insert);
+ bch2_trans_iter_put(trans, iter);
+ return 0;
+}
+
+static int extent_handle_overwrites(struct btree_trans *trans,
+ enum btree_id btree_id,
+ struct bpos start, struct bpos end)
+{
+ struct btree_iter *iter = NULL, *update_iter;
+ struct bkey_i *update;
+ struct bkey_s_c k;
+ int ret = 0;
+
+ iter = bch2_trans_get_iter(trans, btree_id, start, BTREE_ITER_INTENT);
+ ret = PTR_ERR_OR_ZERO(iter);
+ if (ret)
+ return ret;
+
+ k = bch2_btree_iter_peek_with_updates(iter);
+
+ while (k.k && !(ret = bkey_err(k))) {
+ if (bkey_cmp(end, bkey_start_pos(k.k)) <= 0)
+ break;
+
+ if (bkey_cmp(bkey_start_pos(k.k), start) < 0) {
+ update_iter = bch2_trans_copy_iter(trans, iter);
+ if ((ret = PTR_ERR_OR_ZERO(update_iter)))
+ goto err;
+
+ update = bch2_trans_kmalloc(trans, bkey_bytes(k.k));
+ if ((ret = PTR_ERR_OR_ZERO(update)))
+ goto err;
+
+ bkey_reassemble(update, k);
+ bch2_cut_back(start, update);
+
+ __bch2_btree_iter_set_pos(update_iter, update->k.p, false);
+ bch2_trans_update2(trans, update_iter, update);
+ bch2_trans_iter_put(trans, update_iter);
+ }
+
+ if (bkey_cmp(k.k->p, end) > 0) {
+ update_iter = bch2_trans_copy_iter(trans, iter);
+ if ((ret = PTR_ERR_OR_ZERO(update_iter)))
+ goto err;
+
+ update = bch2_trans_kmalloc(trans, bkey_bytes(k.k));
+ if ((ret = PTR_ERR_OR_ZERO(update)))
+ goto err;
+
+ bkey_reassemble(update, k);
+ bch2_cut_front(end, update);
+
+ __bch2_btree_iter_set_pos(update_iter, update->k.p, false);
+ bch2_trans_update2(trans, update_iter, update);
+ bch2_trans_iter_put(trans, update_iter);
+ } else {
+ update_iter = bch2_trans_copy_iter(trans, iter);
+ if ((ret = PTR_ERR_OR_ZERO(update_iter)))
+ goto err;
+
+ update = bch2_trans_kmalloc(trans, sizeof(struct bkey));
+ if ((ret = PTR_ERR_OR_ZERO(update)))
+ goto err;
+
+ update->k = *k.k;
+ set_bkey_val_u64s(&update->k, 0);
+ update->k.type = KEY_TYPE_deleted;
+ update->k.size = 0;
+
+ __bch2_btree_iter_set_pos(update_iter, update->k.p, false);
+ bch2_trans_update2(trans, update_iter, update);
+ bch2_trans_iter_put(trans, update_iter);
+ }
+
+ k = bch2_btree_iter_next_with_updates(iter);
+ }
+err:
+ if (!IS_ERR_OR_NULL(iter))
+ bch2_trans_iter_put(trans, iter);
+ return ret;
+}
+
int __bch2_trans_commit(struct btree_trans *trans)
{
struct btree_insert_entry *i = NULL;
}
} while (trans_trigger_run);
+ /* Turn extents updates into keys: */
+ trans_for_each_update(trans, i)
+ if (i->iter->flags & BTREE_ITER_IS_EXTENTS) {
+ struct bpos start = bkey_start_pos(&i->k->k);
+
+ while (i + 1 < trans->updates + trans->nr_updates &&
+ i[0].iter->btree_id == i[1].iter->btree_id &&
+ !bkey_cmp(i[0].k->k.p, bkey_start_pos(&i[1].k->k)))
+ i++;
+
+ ret = extent_handle_overwrites(trans, i->iter->btree_id,
+ start, i->k->k.p);
+ if (ret)
+ goto out;
+ }
+
trans_for_each_update(trans, i) {
+ if (i->iter->flags & BTREE_ITER_IS_EXTENTS) {
+ ret = extent_update_to_keys(trans, i->iter, i->k);
+ if (ret)
+ goto out;
+ } else {
+ bch2_trans_update2(trans, i->iter, i->k);
+ }
+ }
+
+ trans_for_each_update2(trans, i) {
+ BUG_ON(i->iter->uptodate > BTREE_ITER_NEED_PEEK);
+ BUG_ON(i->iter->locks_want < 1);
+
u64s = jset_u64s(i->k->k.u64s);
if (0)
trans->journal_preres_u64s += u64s;
.trigger_flags = flags, .iter = iter, .k = k
};
- EBUG_ON(bkey_cmp(iter->pos, bkey_start_pos(&k->k)));
+ EBUG_ON(bkey_cmp(iter->pos,
+ (iter->flags & BTREE_ITER_IS_EXTENTS)
+ ? bkey_start_pos(&k->k)
+ : k->k.p));
iter->flags |= BTREE_ITER_KEEP_UNTIL_COMMIT;
projects / bcachefs-tools-debian / blobdiff