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bug#63850: cp fails for files > 2 GB if copy offload is unsupported
From: |
Sam James |
Subject: |
bug#63850: cp fails for files > 2 GB if copy offload is unsupported |
Date: |
Tue, 06 Jun 2023 11:02:32 +0100 |
User-agent: |
mu4e 1.10.3; emacs 29.0.91 |
Paul Eggert <eggert@cs.ucla.edu> writes:
> On 2023-06-05 22:26, Sam James wrote:
>> It's just that linux-headers is
>> a special case
>
> Indeed it is. And apparently glibc avoids the copy_file_range bugs by
> never, ever using copy_file_range internally - which explains why
> glibc hasn't run into this backward compatibility issue. Presumably
> once glibc starts assuming kernel 5.3 or later, it can start using
> copy_file_range internally.
>
> Anyway, thanks for explaining. I installed the patch I mentioned into
> Gnulib and have updated coreutils accordingly on Savannah
> master. Please give it a try.
Thanks Paul. Do you know if there's any other cases of this in gnulib?
(or whether, by chance, if you know off the top of your head if any
other gnulib consumers definitely use copy_file_range?)
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- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, (continued)
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Pádraig Brady, 2023/06/02
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/03
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Mike Gilbert, 2023/06/03
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Arsen Arsenović, 2023/06/03
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Sam James, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Sam James, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Pádraig Brady, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported,
Sam James <=
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Pádraig Brady, 2023/06/06
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/07
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Sam James, 2023/06/07
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/07
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Arsen Arsenović, 2023/06/08
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Paul Eggert, 2023/06/08
- bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Pádraig Brady, 2023/06/03
bug#63850: cp fails for files > 2 GB if copy offload is unsupported, Mike Gilbert, 2023/06/03