Re: coreutils-8.10 released [stable]

[Jim Meyering]

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