Dmitry V. Levin wrote: > On Fri, Feb 04, 2011 at 08:20:39PM +0100, Jim Meyering wrote: >> This is to announce coreutils-8.10, a stable release. >> >> There have been some minor bug fixes, along with two new features. The >> join feature is enabled via a new option, "-o auto". The cp feature makes >> copying sparse files much more efficient on several common file systems. >> It takes advantage of a feature that was introduced in linux-2.6.27. >> The improvement affects the default code path, so if you're looking >> for risk potential, this is it. It uses the feature if available, >> and otherwise resorts to using the old, less-efficient copying code. > > tests/cp/fiemap-perf fails with EFBIG on tmpfs: > $ truncate -s1T f > truncate: failed to truncate `f' at 1099511627776 bytes: File too large > > Reducing the size from 1T to 256G makes the test pass.
Thanks for the report. The current df-based guard for the cp/FIEMAP tests is a kludge^W heuristic that will soon be replaced by Pádraig's python-based test: http://thread.gmane.org/gmane.comp.gnu.coreutils.general/821/focus=839
