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bug#18316: [PATCH] warn on too large file copies
From: |
Eric Blake |
Subject: |
bug#18316: [PATCH] warn on too large file copies |
Date: |
Fri, 22 Aug 2014 13:38:04 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 |
On 08/22/2014 12:09 PM, Paul Eggert wrote:
> Adam wrote:
>> I know it's a rare scenario
>
> The next time you copy a file containing 19 exabytes let us know. :-)
By the way, even at a lightning-fast rate of a gigabyte a second, such a
copy wouldn't complete in your lifetime.
>
> If we're going to fix this, I suggest removing the limit entirely;
> that's better than generating a warning if the limit is gone past. I
> expect there are plenty of places in the code that stop working after
> 2**63 bytes, and I'd focus on them first.
The size of 2**63 is so huge that it is as good as unlimited, for
anything we can do in a finite lifetime, and we don't have to bend over
backwards trying to treat it as an artificial limitation.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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