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Date: Wed, 21 Sep 2016 22:57:24 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Dave Chinner <david@fromorbit.com>
Cc: Amir Goldstein <amir73il@gmail.com>,
        Miklos Szeredi <miklos@szeredi.hu>,
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Subject: Re: [PATCH v3 2/4] ovl: use vfs_clone_file_range() for copy up if
 possible
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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?