Re: Debian 12.5.0 amd64 and OpenZFS bug #15526

From	"Gareth Evans" <donotspam@fastmail.fm>
Newsgroups	linux.debian.user
Subject	Re: Debian 12.5.0 amd64 and OpenZFS bug #15526
Date	2024-03-26 09:20 +0100
Message-ID	<Imach-1LLJ-1@gated-at.bofh.it> (permalink)
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On Mon 25/03/2024 at 23:40, David Christensen <dpchrist@holgerdanske.com> wrote:
> On 3/25/24 15:05, Gareth Evans wrote:
>> On Fri 22/03/2024 at 21:01, Gareth Evans <donotspam@fastmail.fm> wrote:
>>> As anyone interested can see from the ref to #15933 in the below, there seems to have been considerable effort in getting to grips with this bug (actually multiple bugs), and it looks like a fix may be forthcoming, though not sure at the time of writing if there may be some further polishing first
>>>
>>> https://github.com/openzfs/zfs/pull/16019
>> 
>> https://github.com/openzfs/zfs/issues/15933
>> 
>> is now closed as completed with fix
>> 
>> https://github.com/openzfs/zfs/commit/102b468b5e190973fbaee6fe682727eb33079811
>> 
>> which for the moment necessarily adds synchronous writes.
>> 
>> FYI.
>> Gareth
>
>
> Thank you for keeping an eye on this.
>
>
> Looking at the github commit, the C code makes me worry -- it does not 
> appear to use traditional C/C++ thread-safe programming techniques such 
> as I learned in CS and used when I did systems programming (e.g. guard 
> functions, critical sections, locks, semaphores, etc.).  

> Do I need to 
> look at more enclosing code to see such, are those techniques missing, 
> are there some newer techniques I do not understand, or something else?

I don't know, I will have a look too, though my C[++] is almost as rusty as my Rust :)

G

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Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-02-25 06:40 +0100
  Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-27 06:00 +0100
    Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-27 08:20 +0100
    Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-02-28 00:00 +0100
      Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-02-28 00:50 +0100
        Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 Gareth Evans <donotspam@fastmail.fm> - 2024-03-22 22:10 +0100
          Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-25 23:10 +0100
            Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 David Christensen <dpchrist@holgerdanske.com> - 2024-03-26 00:50 +0100
              Re: Debian 12.5.0 amd64 and OpenZFS bug #15526 "Gareth Evans" <donotspam@fastmail.fm> - 2024-03-26 09:20 +0100

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