linux-ext4 - Re: [PATCH 8/9] ext4: only initialize mmp

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Message-ID: <YtAuHaiK+Me08swz@mit.edu>
Date:   Thu, 14 Jul 2022 10:54:21 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Christoph Hellwig <hch@....de>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Christoph Böhmwalder 
        <christoph.boehmwalder@...bit.com>,
        "Md. Haris Iqbal" <haris.iqbal@...os.com>,
        Jack Wang <jinpu.wang@...os.com>, Song Liu <song@...nel.org>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jan Kara <jack@...e.com>, Mark Fasheh <mark@...heh.com>,
        Joel Becker <jlbec@...lplan.org>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>,
        linux-block@...r.kernel.org, drbd-dev@...ts.linbit.com,
        linux-raid@...r.kernel.org, linux-ext4@...r.kernel.org,
        ocfs2-devel@....oracle.com
Subject: Re: [PATCH 8/9] ext4: only initialize mmp_bdevname once

On Wed, Jul 13, 2022 at 07:53:16AM +0200, Christoph Hellwig wrote:
> mmp_bdevname is currently both initialized nested inside the kthread_run
> call in ext4_multi_mount_protect and in the kmmpd thread started by it.
> 
> Lift the initiaization out of the kthread_run call in
> ext4_multi_mount_protect, move the BUILD_BUG_ON next to it and remove
> the duplicate assignment inside of kmmpd.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Acked-by: Theodore Ts'o <tytso@....edu>