From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 3/3] btrfs: set FS_SUPPORTS_SEEK_HOLE flag.
Date: Mon, 20 Apr 2015 02:48:55 -0700
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Cc: NeilBrown <neilb@suse.de>, Chris Mason <clm@fb.com>,
	Al Viro <viro@ZenIV.linux.org.uk>, Josef Bacik <jbacik@fb.com>,
	David Sterba <dsterba@suse.cz>,
	Dave Chinner <david@fromorbit.com>,
	linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org
To: David Howells <dhowells@redhat.com>
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On Mon, Apr 20, 2015 at 10:46:49AM +0100, David Howells wrote:
> NeilBrown <neilb@suse.de> wrote:
> 
> > Missing patch 2 of the 3-patch series?
> 
> Yes. :-)
> 
> Do ext4 and xfs support this, do you know?

Yes.  As do f2fs, ocfs2, gfs2, ceph and NFSv4.2

> 
> David
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