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List:       linux-aio
Subject:    Re: [PULL 18/28] file-posix: try BLKSECTGET on block devices too, do not round to power of 2
From:       Paolo Bonzini <pbonzini () redhat ! com>
Date:       2021-09-23 13:02:48
Message-ID: 5a2903de-0117-373a-90b5-484e6f86b9f5 () redhat ! com
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On 23/09/21 14:13, Halil Pasic wrote:
> On Thu, 23 Sep 2021 12:57:38 +0200
> Paolo Bonzini <pbonzini@redhat.com> wrote:
> 
>> On 22/09/21 21:51, Halil Pasic wrote:
>>> We have figured out what is going on here. The problem seems to be
>>> specific to linux aio, which seems to limit the size of the iovec to
>>> 1024 (UIO_MAXIOV).
>>
>> Hi Halil,
>>
>> I'll send a patch shortly to fix this issue.  Sorry about the delay as I
>> was busy with KVM Forum and all that. :(
> 
> Hi Paolo!
> 
> With some guidance I could cook up a patch myself. But if you prefer to
> do it yourself, I will be glad to test the fix (please put me on cc).
> Thanks!

NP, the patch already existed but I was busy and didn't send it out.

Paolo


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