From: David Sterba <dsterba@suse.cz>
To: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Cc: dsterba@suse.cz, Mark Fasheh <mfasheh@suse.de>,
Chris Mason <clm@fb.com>, Josef Bacik <jbacik@fb.com>,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 5/5] btrfs: add no_mtime flag to btrfs-extent-same
Date: Thu, 25 Jun 2015 14:52:50 +0200 [thread overview]
Message-ID: <20150625125250.GF726@twin.jikos.cz> (raw)
In-Reply-To: <20150624201732.GA14931@hungrycats.org>
On Wed, Jun 24, 2015 at 04:17:32PM -0400, Zygo Blaxell wrote:
> Is there any sane use case where we would _want_ EXTENT_SAME to change
> the mtime? We do a lot of work to make sure that none of the files
> involved have any sort of content change. Why do we need the flag at all?
Good point, I don't see the usecase for updating MTIME.
next prev parent reply other threads:[~2015-06-25 12:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-22 22:47 [PATCH 0/5] btrfs: dedupe fixes, features V2 Mark Fasheh
2015-06-22 22:47 ` [PATCH 1/5] btrfs: pass unaligned length to btrfs_cmp_data() Mark Fasheh
2015-06-22 22:47 ` [PATCH 2/5] btrfs: fix deadlock with extent-same and readpage Mark Fasheh
2015-06-22 22:47 ` [PATCH 3/5] btrfs: fix clone / extent-same deadlocks Mark Fasheh
2015-06-23 14:56 ` David Sterba
2015-06-22 22:47 ` [PATCH 4/5] btrfs: allow dedupe of same inode Mark Fasheh
2015-06-23 14:59 ` David Sterba
2015-06-22 22:47 ` [PATCH 5/5] btrfs: add no_mtime flag to btrfs-extent-same Mark Fasheh
2015-06-23 15:11 ` David Sterba
2015-06-23 17:11 ` Mark Fasheh
2015-06-24 20:17 ` Zygo Blaxell
2015-06-25 12:52 ` David Sterba [this message]
2015-06-25 13:10 ` Austin S Hemmelgarn
2015-06-25 16:52 ` Zygo Blaxell
2015-06-25 18:12 ` Mark Fasheh
2015-06-23 21:28 [PATCH 0/5] btrfs: dedupe fixes, features V3 Mark Fasheh
2015-06-23 21:28 ` [PATCH 5/5] btrfs: add no_mtime flag to btrfs-extent-same Mark Fasheh
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