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mdbx: allow fastpath-commit for pure nested txns with parent-spilled pages.

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Change-Id: I471fd5e057c323e3701158761631e0a9999bf54a
This commit is contained in:
Leonid Yuriev
2021-01-04 19:53:17 +03:00
parent 8fce97dca9
commit 5bb254e629
1 changed files with 4 additions and 2 deletions
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6
src/core.c
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@@ -8229,8 +8229,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
(parent->mt_flags & MDBX_TXN_HAS_CHILD) != 0);
mdbx_assert(env, mdbx_dirtylist_check(txn));
if (txn->tw.dirtylist->length == 0 &&
(txn->mt_flags & (MDBX_TXN_DIRTY | MDBX_TXN_SPILLS)) == 0 &&
if (txn->tw.dirtylist->length == 0 && !(txn->mt_flags & MDBX_TXN_DIRTY) &&
parent->mt_numdbs == txn->mt_numdbs) {
for (int i = txn->mt_numdbs; --i >= 0;) {
mdbx_tassert(txn, (txn->mt_dbistate[i] & DBI_DIRTY) == 0);
@@ -8244,6 +8243,9 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
sizeof(parent->mt_geo)) == 0);
mdbx_tassert(txn, memcmp(&parent->mt_canary, &txn->mt_canary,
sizeof(parent->mt_canary)) == 0);
mdbx_tassert(txn, !txn->tw.spill_pages ||
MDBX_PNL_SIZE(txn->tw.spill_pages) == 0);
mdbx_tassert(txn, txn->tw.loose_count == 0);
end_mode = MDBX_END_PURE_COMMIT | MDBX_END_SLOT | MDBX_END_FREE;
goto done;