Re: Make mv work better with SELinux.

[Jim Meyering]

Pádraig Brady wrote:
> On 01/09/2013 05:15 PM, Daniel J Walsh wrote:
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>> On 01/09/2013 11:02 AM, Pádraig Brady wrote:
>>> On 01/09/2013 03:50 PM, Daniel J Walsh wrote:
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>>>> Any word on this patch making its way upstream?  Or is there something
>>>> else I need to do?
>>>
>>> It's still on my todo list. I expect to finish the review soonish and have
>>> it in the next release.
>>>
>>> thanks, Pádraig.
>>
>> Excellent.  Thanks.  BTW We just received a patch from  Ondrej Oprala for
>> libselinux which according to him,
>>
>> "I tested the patched libselinux with
>> $cp -a dir1 dir2
>> and got an approx. 20% save in instruction count. "
>>
>> Basically the patch caches calls to setfscreatecon() and if the context is 
>> the
>> same as the previous call, it does a noop (Well it needs to do a strcmp) but
>> does not need to write to the /sys/fs/selinux file system.
>>
>> Should make large cp's which maintain attributes, work a little faster.  Or
>> any other tools in coreutils that do lots of setfscreatecon calls.
>>
>> rpm -q libselinux
>> libselinux-2.1.12-12.fc19.x86_64
>
> Cool, I hinted at that here:
> http://lists.gnu.org/archive/html/coreutils/2013-01/msg00013.html
> So we won't need to worry about a coreutils patch for that.

Glad to hear that.
Thanks for the heads up.