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feat(ha-commit-durability): gate legacy sync-append commit store on durable_lsn + commit<=durable invariant (task 2.4)

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Rongsong Shen 2026-06-18 07:09:47 +00:00
parent e4c4968331
commit 526bca9679
5 changed files with 250 additions and 4 deletions
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8
src/include/persist.h
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@ -281,6 +281,14 @@ void persist_test_set_force_fsync_fail(persist_t* p, int fail);
* ran inside the persist primitive, BEFORE the caller can send its WalAck.
* Lock-free atomic read; compiled out of production. */
unsigned persist_test_replicated_fdatasync_count(persist_t* p);
/* Invoke the legacy sync-append commit store (task 2.4) with the durable
* precondition applied — the same store persist_wal_sync_append performs on a
* majority ACK in its engine-less / LSN-0 branch. Lets a test prove
* committed_lsn never advances past durable_lsn on the ACK path without
* standing up the replication wire. Compiled out of production. */
void persist_test_sync_append_legacy_commit_store(persist_t* p,
uint64_t written_lsn);
#endif /* XCE_TESTING */
/* Checkpoint */