linux-kernel - Re: [PATCHv3 02/10] ext4: Fix ext4_fc

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Message-ID: <20220319050436.y7v3rxkjnbhb33sl@riteshh-domain>
Date:   Sat, 19 Mar 2022 10:34:36 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Sven Schnelle <svens@...ux.ibm.com>
Cc:     linux-ext4@...r.kernel.org, Jan Kara <jack@...e.cz>,
        "Theodore Ts'o" <tytso@....edu>,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...nel.org
Subject: Re: [PATCHv3 02/10] ext4: Fix ext4_fc_stats trace point

On 22/03/18 12:30PM, Steven Rostedt wrote:
> On Thu, 17 Mar 2022 14:39:38 -0400
> Steven Rostedt <rostedt@...dmis.org> wrote:
>
> > [ here I wanted to add a patch, but I haven't figured out the best way to
> >   fix it yet. ]
>
> Care to try this patch?
>

fwiw, I gave this patch a try (on x86 and ppc64le guests) and with it
ext4_fc_stats() trace event is working fine as expected. Although I could
never reproduced the original issue which Sven reported on his s390x box.

So will wait till Sven also give this a try.

Thanks!!
-ritesh