message: Warn instead of abort on direct I/O failure
diff: @@ -384,9 +384,9 @@ async fn losetup(
  .attach_file(fs_path, fs, fs_offset, lo_size, true, true)
  .context("Failed to attach loopback")?;
  - loop_device
  - .set_direct_io(true)
  - .context("Failed to enable direct io")?;
  + if let Err(error) = loop_device.set_direct_io(true) {
  + warn!("Failed to enable direct io: {:?}", error);
  + }
  let losetup_duration = start.elapsed();
  debug!(
  