linux-kernel - Re: [PATCH 02/13] NFS: do not take i

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Message-id: <163709941227.13692.8504638930849686895@noble.neil.brown.name>
Date:   Wed, 17 Nov 2021 08:50:12 +1100
From:   "NeilBrown" <neilb@...e.de>
To:     "Christoph Hellwig" <hch@...radead.org>
Cc:     "Trond Myklebust" <trond.myklebust@...merspace.com>,
        "Anna Schumaker" <anna.schumaker@...app.com>,
        "Chuck Lever" <chuck.lever@...cle.com>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "Mel Gorman" <mgorman@...e.de>, linux-nfs@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/13] NFS: do not take i_rwsem for swap IO

On Tue, 16 Nov 2021, Christoph Hellwig wrote:
> I'd really much prefer the variant we discussed before where
> swap I/O uses it's own method instead of overloading the normal
> file I/O path all over.
> 
> 
This would be David Howells' "mm: Use DIO for swap and fix NFS
swapfiles" series?  I'd be very happy to work with that once it lands.
I might try it out and see how two work together.

Thanks,
NeilBrown