Linux XFS filesystem development
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From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH] xfs: update ctime and mtime on clone destinatation inodes
Date: Thu, 2 Feb 2017 18:47:23 +0100	[thread overview]
Message-ID: <20170202174723.GA7760@lst.de> (raw)
In-Reply-To: <20170202174547.GN9134@birch.djwong.org>

On Thu, Feb 02, 2017 at 09:45:47AM -0800, Darrick J. Wong wrote:
> On Thu, Feb 02, 2017 at 05:24:56PM +0100, Christoph Hellwig wrote:
> > We're changing both metadata and data, so we need to update the
> > timestamps.   This follows existing btrfs behavior.
> 
> /me wonders, should the mtime change if we're deduping?  We're
> definitely changing metadata, but we shouldn't be making any
> user-visible changes to the file data.

Good point - we're hitting this from the dedup path as well.
I think we should not be updating mtime for dedupe.

  reply	other threads:[~2017-02-02 17:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-02 16:24 [PATCH] xfs: update ctime and mtime on clone destinatation inodes Christoph Hellwig
2017-02-02 17:45 ` Darrick J. Wong
2017-02-02 17:47   ` Christoph Hellwig [this message]
2017-02-02 19:33     ` Amir Goldstein

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