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From:   "NeilBrown" <neilb@suse.de>
To:     "David Howells" <dhowells@redhat.com>
Cc:     willy@infradead.org, hch@lst.de, trond.myklebust@primarydata.com,
        "Theodore Ts'o" <tytso@mit.edu>, linux-block@vger.kernel.org,
        ceph-devel@vger.kernel.org,
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        "Darrick J. Wong" <darrick.wong@oracle.com>,
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        "Josef Bacik" <josef@toxicpanda.com>,
        "Seth Jennings" <sjenning@linux.vnet.ibm.com>,
        "Jens Axboe" <axboe@kernel.dk>, linux-fsdevel@vger.kernel.org,
        linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org,
        linux-cifs@vger.kernel.org, "Chris Mason" <clm@fb.com>,
        "David Sterba" <dsterba@suse.com>,
        "Minchan Kim" <minchan@kernel.org>,
        "Steve French" <sfrench@samba.org>,
        "Dan Magenheimer" <dan.magenheimer@oracle.com>,
        linux-nfs@vger.kernel.org, "Ilya Dryomov" <idryomov@gmail.com>,
        linux-btrfs@vger.kernel.org, dhowells@redhat.com,
        viro@zeniv.linux.org.uk, torvalds@linux-foundation.org,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles
In-reply-to: <163250387273.2330363.13240781819520072222.stgit@warthog.procyon.org.uk>
References: <163250387273.2330363.13240781819520072222.stgit@warthog.procyon.org.uk>
Date:   Tue, 28 Sep 2021 13:11:29 +1000
Message-id: <163279868982.18792.10448745714922373194@noble.neil.brown.name>
Precedence: bulk
List-ID: <linux-ext4.vger.kernel.org>
X-Mailing-List: linux-ext4@vger.kernel.org

On Sat, 25 Sep 2021, David Howells wrote:
> Whilst trying to make this work, I found that NFS's support for swapfiles
> seems to have been non-functional since Aug 2019 (I think), so the first
> patch fixes that.  Question is: do we actually *want* to keep this
> functionality, given that it seems that no one's tested it with an upstream
> kernel in the last couple of years?

SUSE definitely want to keep this functionality.  We have customers
using it.
I agree it would be good if it was being tested somewhere....

Thanks,
NeilBrown