From mboxrd@z Thu Jan  1 00:00:00 1970
From: Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if
 possible
Date: Wed, 21 Sep 2016 22:57:24 +0100
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To: Dave Chinner <david@fromorbit.com>
Cc: Amir Goldstein <amir73il@gmail.com>, Miklos Szeredi <miklos@szeredi.hu>, "linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>, Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org, "Darrick J . Wong" <darrick.wong@oracle.com>, linux-fsdevel <linux-fsdevel@vger.kernel.org>
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On Thu, Sep 22, 2016 at 07:48:15AM +1000, Dave Chinner wrote:

> If you get any error other than -EXDEV or -EOPNOTSUPP from a clone
> operation, there's somethign seriously wrong with the metadata of
> the inode or th eunderlying storage.

Such as -ENOSPC?