docs: function handlePatchAckResponse() {
      var syncedPath = data.content.path;
  
      function complete() {
        fsUtils.removeUnsynced(fs, syncedPath, function(err) {
          if(err && err.code !== 'ENOENT') {
            log.error('Failed to remove unsynced attribute for ' + syncedPath + ' in handlePatchAckResponse, complete()');
          }
  
          syncManager.syncNext(syncedPath);
        });
      }
  
      fs.lstat(syncedPath, function(err, stats) {
        if(err) {
          if(err.code !== 'ENOENT') {
            log.error('Failed to access ' + syncedPath + ' in handlePatchAckResponse');
            return fs.delaySync(function(delayErr, delayedPath) {
              if(delayErr) {
                log.error('Failed to delay upstream sync for ' + delayedPath + ' in handlePatchAckResponse');
              }
              onError(syncManager, err);
            });
          }
  
          // Non-existent paths usually due to renames or
          // deletes cannot be stamped with a checksum
          return complete();
        }
  
        if(!stats.isFile()) {
          return complete();
        }
  
        rsyncUtils.getChecksum(rawFs, syncedPath, function(err, checksum) {
          if(err) {
            log.error('Failed to get the checksum for ' + syncedPath + ' in handlePatchAckResponse');
            return fs.delaySync(function(delayErr, delayedPath) {
              if(delayErr) {
                log.error('Failed to delay upstream sync for ' + delayedPath + ' in handlePatchAckResponse while getting checksum');
              }
              onError(syncManager, err);
            });
          }
  
          fsUtils.setChecksum(rawFs, syncedPath, checksum, function(err) {
            if(err) {
              log.error('Failed to stamp the checksum for ' + syncedPath + ' in handlePatchAckResponse');
              return fs.delaySync(function(delayErr, delayedPath) {
                if(delayErr) {
                  log.error('Failed to delay upstream sync for ' + delayedPath + ' in handlePatchAckResponse while setting checksum');
                }
                onError(syncManager, err);
              });
            }
  
            complete();
          });
        });
      });
    }