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

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Message-ID: <20181108232809.GI24115@suse.cz>
Date:   Fri, 9 Nov 2018 00:28:10 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, Sasha Levin <sashal@...nel.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 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.