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mdbx: рефакторинг coherency_check_written().

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2024-07-05 22:00:05 +03:00
parent 3798d47a71
commit 319753661a
1 changed files with 16 additions and 18 deletions
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34
src/coherency.c
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@ -168,26 +168,24 @@ int coherency_check_written(const MDBX_env *env, const txnid_t txnid,
uint64_t *timestamp) {
const bool report = !(timestamp && *timestamp);
const txnid_t head_txnid = meta_txnid(meta);
if (unlikely(head_txnid < MIN_TXNID || head_txnid < txnid)) {
if (report) {
env->lck->pgops.incoherence.weak =
(env->lck->pgops.incoherence.weak >= INT32_MAX)
? INT32_MAX
: env->lck->pgops.incoherence.weak + 1;
WARNING("catch %s txnid %" PRIaTXN " for meta_%" PRIaPGNO " %s",
(head_txnid < MIN_TXNID) ? "invalid" : "unexpected", head_txnid,
bytes2pgno(env, ptr_dist(meta, env->dxb_mmap.base)),
"(workaround for incoherent flaw of unified page/buffer cache)");
if (likely(head_txnid >= MIN_TXNID && head_txnid >= txnid)) {
if (likely(
coherency_check(env, head_txnid, &meta->trees.gc, meta, report))) {
eASSERT(env, meta->trees.gc.flags == MDBX_INTEGERKEY);
eASSERT(env, check_sdb_flags(meta->trees.main.flags));
return MDBX_SUCCESS;
}
return coherency_timeout(timestamp, pgno, env);
} else if (report) {
env->lck->pgops.incoherence.weak =
(env->lck->pgops.incoherence.weak >= INT32_MAX)
? INT32_MAX
: env->lck->pgops.incoherence.weak + 1;
WARNING("catch %s txnid %" PRIaTXN " for meta_%" PRIaPGNO " %s",
(head_txnid < MIN_TXNID) ? "invalid" : "unexpected", head_txnid,
bytes2pgno(env, ptr_dist(meta, env->dxb_mmap.base)),
"(workaround for incoherent flaw of unified page/buffer cache)");
}
if (unlikely(
!coherency_check(env, head_txnid, &meta->trees.gc, meta, report)))
return coherency_timeout(timestamp, pgno, env);
eASSERT(env, meta->trees.gc.flags == MDBX_INTEGERKEY);
eASSERT(env, check_sdb_flags(meta->trees.main.flags));
return MDBX_SUCCESS;
return coherency_timeout(timestamp, pgno, env);
}
bool coherency_check_meta(const MDBX_env *env, const volatile meta_t *meta,