Re: [PATCH] libceph: Complete stuck requests to OSD with EIO

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On Thu, Feb 9, 2017 at 2:04 PM, Artur Molchanov
<artur.molchanov@xxxxxxxxxx> wrote:
> From: Artur Molchanov <artur.molchanov@xxxxxxxxxx>
>
> Complete stuck requests to OSD with error EIO after osd_request_timeout
> expired.
> If osd_request_timeout equals to 0 (default value) then do nothing with
> hung requests (keep default behavior).
>
> Create RBD map option osd_request_timeout to set timeout in seconds. Set
> osd_request_timeout to 0 by default.

Hi Artur,

What is the use case?  What do you expect this timeout to be in your
environment?

I actually have a slightly more compact version of this somewhere,
which I deliberately excluded when updating the OSD client a few kernel
releases ago.  IIRC complete_request() wasn't meant to be called
arbitrarily, but we can probably fix that.

Thanks,

                Ilya
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