Method submit_and_sync

nodedb-wal/src/uring_writer.rs:197–204

Submit the buffered data via io_uring write + fsync, and wait for completion. This is the group commit point: all records appended since the last `submit_and_sync()` become durable after this returns.

(&mut self)

    /// This is the group commit point: all records appended since the last
    /// `submit_and_sync()` become durable after this returns.
    pub fn submit_and_sync(&mut self) -> Result<()> {
        if self.buffer.is_empty() {
            return Ok(());
        }
        self.submit_and_wait_write()?;
        self.submit_and_wait_fsync()?;
        Ok(())
    }

    /// Submit a write SQE and wait for the CQE.
    ///