linux-kernel - Re: [PATCH 00/13] Repair SWAP-over-NFS

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Date:   Tue, 16 Nov 2021 03:29:23 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     NeilBrown <neilb@...e.de>
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 00/13] Repair SWAP-over-NFS

On Tue, Nov 16, 2021 at 01:44:04PM +1100, NeilBrown wrote:
> swap-over-NFS currently has a variety of problems.
> 
> Due to a newish test in generic_write_checks(), all writes to swap
> currently fail.

And by "currently", you mean "for over two years" (August 2019).
Does swap-over-NFS (or any other network filesystem) actually have any
users, and should we fix it or rip it out?