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mdbx: fix audit for complex nested txn cases.

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Change-Id: I2419cbe0e8d3167e77ac99f397b97edb22717833
This commit is contained in:
Leonid Yuriev
2021-01-19 20:04:13 +03:00
parent f28da7c9e3
commit 6d7daf6401
1 changed files with 12 additions and 10 deletions
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22
src/core.c
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@@ -6875,6 +6875,7 @@ int mdbx_txn_begin_ex(MDBX_env *env, MDBX_txn *parent, MDBX_txn_flags_t flags,
MDBX_TXN_RDONLY | MDBX_WRITEMAP | MDBX_TXN_BLOCKED);
if (unlikely(rc != MDBX_SUCCESS))
return rc;
mdbx_tassert(parent, mdbx_audit_ex(parent, 0, false) == 0);
flags |= parent->mt_flags & (MDBX_TXN_RW_BEGIN_FLAGS | MDBX_TXN_SPILLS);
/* Child txns save MDBX_pgstate and use own copy of cursors */
@@ -7526,8 +7527,6 @@ static __cold int mdbx_audit_ex(MDBX_txn *txn, unsigned retired_stored,
if ((txn->mt_flags & MDBX_TXN_RDONLY) == 0) {
pending = txn->tw.loose_count + MDBX_PNL_SIZE(txn->tw.reclaimed_pglist) +
(MDBX_PNL_SIZE(txn->tw.retired_pages) - retired_stored);
for (MDBX_txn *parent = txn->mt_parent; parent; parent = parent->mt_parent)
pending += parent->tw.loose_count;
}
MDBX_cursor_couple cx;
@@ -7591,10 +7590,8 @@ static __cold int mdbx_audit_ex(MDBX_txn *txn, unsigned retired_stored,
memcmp(node_key(node), txn->mt_dbxs[k].md_name.iov_base,
node_ks(node)) == 0) {
txn->mt_dbistate[k] |= DBI_AUDITED;
if (txn->mt_dbistate[k] & DBI_DIRTY) {
mdbx_tassert(txn, (txn->mt_dbistate[k] & DBI_STALE) == 0);
if (!(txn->mt_dbistate[k] & MDBX_DBI_STALE))
db = txn->mt_dbs + k;
}
break;
}
}
@@ -7612,10 +7609,14 @@ static __cold int mdbx_audit_ex(MDBX_txn *txn, unsigned retired_stored,
if ((txn->mt_dbistate[i] & (DBI_VALID | DBI_AUDITED | DBI_STALE)) !=
DBI_VALID)
continue;
if (F_ISSET(txn->mt_dbistate[i], DBI_DIRTY | DBI_CREAT)) {
count += txn->mt_dbs[i].md_branch_pages + txn->mt_dbs[i].md_leaf_pages +
txn->mt_dbs[i].md_overflow_pages;
} else {
for (MDBX_txn *t = txn; t; t = t->mt_parent)
if (F_ISSET(t->mt_dbistate[i], DBI_DIRTY | DBI_CREAT)) {
count += t->mt_dbs[i].md_branch_pages + t->mt_dbs[i].md_leaf_pages +
t->mt_dbs[i].md_overflow_pages;
txn->mt_dbistate[i] |= DBI_AUDITED;
break;
}
if (!(txn->mt_dbistate[i] & DBI_AUDITED)) {
mdbx_warning("audit %s@%" PRIaTXN
": unable account dbi %d / \"%*s\", state 0x%02x",
txn->mt_parent ? "nested-" : "", txn->mt_txnid, i,
@@ -8917,6 +8918,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
}
if (txn->mt_parent) {
mdbx_tassert(txn, mdbx_audit_ex(txn, 0, false) == 0);
mdbx_assert(env, txn != env->me_txn0);
MDBX_txn *const parent = txn->mt_parent;
mdbx_assert(env, parent->mt_signature == MDBX_MT_SIGNATURE);
@@ -9047,7 +9049,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
ts_4 = ts_3 = latency ? mdbx_osal_monotime() : 0;
txn->mt_signature = 0;
mdbx_free(txn);
mdbx_tassert(parent, mdbx_dirtylist_check(parent));
mdbx_tassert(parent, mdbx_audit_ex(parent, 0, false) == 0);
rc = MDBX_SUCCESS;
goto provide_latency;
}