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Date:   Thu, 18 Feb 2021 07:42:07 +0000
From:   Christoph Hellwig <hch@infradead.org>
To:     Luis Henriques <lhenriques@suse.de>
Cc:     Amir Goldstein <amir73il@gmail.com>,
        Jeff Layton <jlayton@kernel.org>,
        Steve French <sfrench@samba.org>,
        Miklos Szeredi <miklos@szeredi.hu>,
        Trond Myklebust <trond.myklebust@hammerspace.com>,
        Anna Schumaker <anna.schumaker@netapp.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        "Darrick J. Wong" <darrick.wong@oracle.com>,
        Dave Chinner <dchinner@redhat.com>,
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        linux-nfs@vger.kernel.org
Subject: Re: [PATCH v2] vfs: prevent copy_file_range to copy across devices
Message-ID: <20210218074207.GA329605@infradead.org>
References: <CAOQ4uxiFGjdvX2-zh5o46pn7RZhvbGHH0wpzLPuPOom91FwWeQ@mail.gmail.com>
 <20210215154317.8590-1-lhenriques@suse.de>
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Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

This whole idea of cross-device copie has always been a horrible idea,
and I've been arguing against it since the patches were posted.