Re: [PATCH] md/raid5: release batch_last before waiting for another stripe_head

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To: Song Liu <song@xxxxxxxxxx>
Subject: Re: [PATCH] md/raid5: release batch_last before waiting for another stripe_head
From: David Jeffery <djeffery@xxxxxxxxxx>
Date: Tue, 3 Oct 2023 14:50:36 -0400
Cc: John Pittman <jpittman@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-raid@xxxxxxxxxxxxxxx, Laurence Oberman <loberman@xxxxxxxxxx>
In-reply-to: <CAPhsuW6iSTRGFDfbP_nQR5eeKWEY=begDZ_H8QgK+tqhKaqELw@mail.gmail.com>
References: <20231002183422.13047-1-djeffery@redhat.com> <CA+RJvhxrkSXRPc9wELyfYYCy_dpRaa+9=fTY7NQR0tP=MO8xUQ@mail.gmail.com> <CAPhsuW6iSTRGFDfbP_nQR5eeKWEY=begDZ_H8QgK+tqhKaqELw@mail.gmail.com>

On Tue, Oct 3, 2023 at 2:48 AM Song Liu <song@xxxxxxxxxx> wrote:
>
> Thanks for the fix! I applied it to md-fixes.
>
> Question: How easy/difficult is it to reproduce this issue?
>

Hello,

One customer system could trigger it reliably and confirmed the fix,
but I haven't had any success recreating it with synthetic workloads
on a test system.

David Jeffery

Follow-Ups:
- Re: [PATCH] md/raid5: release batch_last before waiting for another stripe_head
  - From: Song Liu

References:
- [PATCH] md/raid5: release batch_last before waiting for another stripe_head
  - From: David Jeffery
- Re: [PATCH] md/raid5: release batch_last before waiting for another stripe_head
  - From: John Pittman
- Re: [PATCH] md/raid5: release batch_last before waiting for another stripe_head
  - From: Song Liu

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