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From:   David Howells <dhowells@redhat.com>
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To:     asmadeus@codewreck.org
Cc:     dhowells@redhat.com,
        Christian Schoenebeck <linux_oss@crudebyte.com>,
        David Kahurani <k.kahurani@gmail.com>, davem@davemloft.net,
        ericvh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org,
        lucho@ionkov.net, netdev@vger.kernel.org,
        v9fs-developer@lists.sourceforge.net, Greg Kurz <groug@kaod.org>
Subject: Re: 9p fs-cache tests/benchmark (was: 9p fscache Duplicate cookie detected)
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Date:   Mon, 11 Apr 2022 08:59:32 +0100
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asmadeus@codewreck.org wrote:

> I see fscache also uses the qid version as 'auxilliary data', but I'm
> not sure what this is used for -- if it's a data version like thing then
> it will also at least invalidate the cache content all the time.

I should really have renamed "auxiliary data" to "coherency data".  It's used
by direct comparison when fscache binds a cookie to a backing cache object to
work out if the content of the backing object is still valid.

David