linux-kernel - Re: [PATCH 4.4 026/114] btrfs: cleaner_kthread() doesnt need explicit freeze

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Message-ID: <20181109000438.GB14882@sasha-vm>
Date:   Thu, 8 Nov 2018 19:04:38 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     dsterba@...e.cz, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
        stable@...r.kernel.org
Subject: Re: [PATCH 4.4 026/114] btrfs: cleaner_kthread() doesnt need
 explicit freeze

On Fri, Nov 09, 2018 at 12:28:10AM +0100, David Sterba wrote:
>On Thu, Nov 08, 2018 at 01:50:41PM -0800, Greg Kroah-Hartman wrote:
>> 4.4-stable review patch.  If anyone has any objections, please let me know.
>
>> [ Upstream commit 838fe1887765f4cc679febea60d87d2a06bd300e ]
>
>Please check the discussion under
>
>https://lore.kernel.org/lkml/20181025141705.213937-8-sashal@kernel.org/
>
>Jiri's reply:
>
>"This patch just removes pointless try_to_freeze(), that's guaranteed
>not to do anything and return immediately, as the btrfs kthread is not
>freezable.  So I don't think it's needed in stable; the semantics is
>equivalent before and after."
>
>Sasha was fine with dropping the patch from stable candidates and this
>has not changed. Thanks.

Indeed, I thought I dropped it but I see that I didn't. My bad, sorry.

--
Thanks,
Sasha