linux-kernel - Re: [PATCH] xfs: explicitly call cond_resched in xfs_itruncate_extents

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Date: Fri, 12 Jan 2024 14:01:59 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Dave Chinner <david@...morbit.com>, Jian Wen <wenjianhn@...il.com>
Cc: linux-xfs@...r.kernel.org, djwong@...nel.org, hch@....de,
 dchinner@...hat.com, Jian Wen <wenjian1@...omi.com>,
 linux-kernel@...r.kernel.org, Ankur Arora <ankur.a.arora@...cle.com>
Subject: Re: [PATCH] xfs: explicitly call cond_resched in
 xfs_itruncate_extents_flags

On Fri, Jan 12 2024 at 07:27, Dave Chinner wrote:

Cc: Ankur

> On Thu, Jan 11, 2024 at 08:52:22PM +0800, Jian Wen wrote:
>> On Thu, Jan 11, 2024 at 5:38 AM Dave Chinner <david@...morbit.com> wrote:
>> > IOWs, this is no longer considered an acceptible solution by core
>> > kernel maintainers.
>> Understood. I will only build a hotfix for our production kernel then.
>
> Yeah, that may be your best short term fix. We'll need to clarify
> what the current policy is on adding cond_resched points before we
> go any further in this direction.

Well, right now until the scheduler situation is sorted there is no
other solution than to add the cond_resched() muck.

> Thomas, any update on what is happening with cond_resched() - is
> there an ETA on it going away/being unnecessary?

Ankur is working on that...