} else {
					// current part has the last
					// byte required
					lbPartOffset := partOffset + toRead - 1

					// round up the lbPartOffset
					// to the end of the
					// corresponding DARE package
					lbPkgEndOffset := lbPartOffset - (lbPartOffset % pkgSz) + pkgSz
					if lbPkgEndOffset > v {
						lbPkgEndOffset = v
					}
					bytesToDrop := v - lbPkgEndOffset