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From:   David Howells <dhowells@redhat.com>
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To:     James Morris <jmorris@namei.org>
Cc:     dhowells@redhat.com, viro@zeniv.linux.org.uk,
        linux-security-module@vger.kernel.org,
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Subject: Re: [PATCH 08/33] vfs: Add LSM hooks for the new mount API [ver #11]
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Date:   Wed, 01 Aug 2018 23:53:17 +0100
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James Morris <jmorris@namei.org> wrote:

> >  (2) A hook to snoop source specifications.  
> 
> 
> What are source specifications?

"/dev/sda1" or "my.nfs.server:/foo/bar".

Actually, this hook is now gone.  Source specification is done by way of a
parameter with key of "source" and this can be specified multiple times if the
filesystem supports it (bcachefs for example).

David