linux-kernel - Re: [PATCH v4 18/19] btrfs: only dirty the inode in btrfs_update

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Message-ID: <20180108175920.GF13726@twin.jikos.cz>
Date:   Mon, 8 Jan 2018 18:59:20 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        viro@...iv.linux.org.uk, linux-nfs@...r.kernel.org,
        bfields@...ldses.org, neilb@...e.de, jack@...e.de,
        linux-ext4@...r.kernel.org, tytso@....edu,
        adilger.kernel@...ger.ca, linux-xfs@...r.kernel.org,
        darrick.wong@...cle.com, david@...morbit.com,
        linux-btrfs@...r.kernel.org, clm@...com, jbacik@...com,
        dsterba@...e.com, linux-integrity@...r.kernel.org,
        zohar@...ux.vnet.ibm.com, dmitry.kasatkin@...il.com,
        linux-afs@...ts.infradead.org, dhowells@...hat.com,
        jaltman@...istor.com
Subject: Re: [PATCH v4 18/19] btrfs: only dirty the inode in
 btrfs_update_time if something was changed

On Fri, Dec 22, 2017 at 07:05:55AM -0500, Jeff Layton wrote:
> From: Jeff Layton <jlayton@...hat.com>
> 
> At this point, we know that "now" and the file times may differ, and we
> suspect that the i_version has been flagged to be bumped. Attempt to
> bump the i_version, and only mark the inode dirty if that actually
> occurred or if one of the times was updated.
> 
> Signed-off-by: Jeff Layton <jlayton@...hat.com>

Acked-by: David Sterba <dsterba@...e.com>