Correctly track fsynced_lsn when fsyncs are enabled

2025-11-23 19:08:23 +03:00
parent 229c19dee4
commit 41256ea460
12 changed files with 140 additions and 49 deletions
@@ -43,6 +43,8 @@ struct blockstore_disk_t
    // I/O modes for data, metadata and journal: direct or "" = O_DIRECT, cached = O_SYNC, directsync = O_DIRECT|O_SYNC
    // O_SYNC without O_DIRECT = use Linux page cache for reads and writes
    std::string data_io, meta_io, journal_io;
+    // It is safe to disable fsync() if drive write cache is writethrough
+    bool disable_data_fsync = false, disable_meta_fsync = false, disable_journal_fsync = false;
    // Keep journal (buffered data) in memory?
    bool inmemory_meta = true;
    // Keep metadata in memory?