linux-kernel - Re: [PATCH RESEND] mount: warn only once about timestamp range expiration

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Message-ID: <83203c86-dd51-76f4-dab8-6d3d8bd01ebe@nerdbynature.de>
Date:   Mon, 7 Feb 2022 23:10:23 +0100 (CET)
From:   Christian Kujau <lists@...dbynature.de>
To:     Anthony Iliopoulos <ailiop@...e.com>
cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Al Viro <viro@...iv.linux.org.uk>,
        Salvatore Bonaccorso <carnil@...ian.org>,
        Jeff Layton <jlayton@...nel.org>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH RESEND] mount: warn only once about timestamp range
 expiration

> On Wed, Jan 19, 2022 at 09:29:34PM +0100, Anthony Iliopoulos wrote:
> Commit f8b92ba67c5d ("mount: Add mount warning for impending timestamp
> expiry") introduced a mount warning regarding filesystem timestamp
> limits, that is printed upon each writable mount or remount.
> 
> This can result in a lot of unnecessary messages in the kernel log in
> setups where filesystems are being frequently remounted (or mounted
> multiple times).
> 
> Avoid this by setting a superblock flag which indicates that the warning
> has been emitted at least once for any particular mount, as suggested in

Great! I hope this lands in mainline soon. Applied this to 5.17.0-rc3 here 
and it warns on mounts, but not on remounts. Yay!

  Tested-by: Christian Kujau <lists@...dbynature.de>

Thanks so much for not forgetting about this!
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