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Re: pwritev2 regression test for invalid flags
- From: Florian Weimer <fweimer at redhat dot com>
- To: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>, Stephen Bates <sbates at raithlin dot com>, Christoph Hellwig <hch at infradead dot org>, Jon Derrick <jonathan dot derrick at intel dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>, "linux-block at vger dot kernel dot org" <linux-block at vger dot kernel dot org>, Christoph Hellwig <hch at lst dot de>, Jens Axboe <axboe at fb dot com>, "viro at zeniv dot linux dot org dot uk" <viro at zeniv dot linux dot org dot uk>
- Date: Wed, 21 Jun 2017 15:08:49 +0200
- Subject: Re: pwritev2 regression test for invalid flags
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On 06/21/2017 03:06 PM, Adhemerval Zanella wrote:
> On 21/06/2017 08:45, Florian Weimer wrote:
>> On 06/20/2017 10:53 PM, Stephen Bates wrote:
>>>>> I've already sent this patch to Al twice (including a stable tag),
>>>>> but it didn't seem to make it anywhere.
>>> Does anyone have ideas how we move this along? This is the missing link in allowing applications to request IO polling…
>> Is this still an issue with the upstream kernel?
>> As far as I can tell, Greg Kroah-Hartman queued the fix for 4.9 and
>> 4.11, and the fix is in mainline, too:
> Would it be acceptable to add an issue that stress this issue on glibc?
Sure, except that it is difficult to pull a guaranteed-to-be-invalid
combination of flags out of thin air. Even -1 might eventually cease to