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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,
	"Trond Myklebust" <trond.myklebust@hammerspace.com>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	"Jeff Layton" <jlayton@kernel.org>,
	"Andreas Dilger" <adilger.kernel@dilger.ca>,
	"Anna Schumaker" <anna.schumaker@netapp.com>,
	linux-mm@kvack.org, "Bob Liu" <bob.liu@oracle.com>,
	"Darrick J. Wong" <djwong@kernel.org>,
	"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
Date: Tue, 28 Sep 2021 13:11:29 +1000	[thread overview]
Message-ID: <163279868982.18792.10448745714922373194@noble.neil.brown.name> (raw)
In-Reply-To: <163250387273.2330363.13240781819520072222.stgit@warthog.procyon.org.uk>

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

  parent reply	other threads:[~2021-09-28  3:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 17:17 David Howells
2021-09-24 17:18 ` [PATCH v3 1/9] mm: Remove the callback func argument from __swap_writepage() David Howells
2021-09-24 17:18 ` [PATCH v3 2/9] mm: Add 'supports' field to the address_space_operations to list features David Howells
2021-09-24 20:10   ` Matthew Wilcox
2021-09-24 17:18 ` [PATCH v3 3/9] mm: Make swap_readpage() void David Howells
2021-09-24 22:07   ` Matthew Wilcox
2021-09-24 17:18 ` [PATCH v3 4/9] Introduce IOCB_SWAP kiocb flag to trigger REQ_SWAP David Howells
2021-09-26 21:56   ` Dave Chinner
2021-09-24 17:18 ` [PATCH v3 5/9] mm: Make swap_readpage() for SWP_FS_OPS use ->swap_rw() not ->readpage() David Howells
2021-09-24 17:18 ` [PATCH v3 6/9] mm: Make __swap_writepage() do async DIO if asked for it David Howells
2021-09-24 17:19 ` [PATCH v3 7/9] nfs: Fix write to swapfile failure due to generic_write_checks() David Howells
2021-09-24 17:19 ` [PATCH v3 8/9] block, btrfs, ext4, xfs: Implement swap_rw David Howells
2021-09-24 17:19 ` [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths David Howells
2021-09-25 14:56   ` Matthew Wilcox
2021-09-25 15:36   ` David Howells
2021-09-25 17:09     ` Matthew Wilcox
2021-09-26 23:08       ` Damien Le Moal
2021-09-27  1:25         ` Dave Chinner
2021-09-27  1:41           ` Damien Le Moal
2021-09-27 20:03     ` David Sterba
2021-09-25 23:42 ` [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles Dave Chinner
2021-09-26  3:10   ` Matthew Wilcox
2021-09-26 22:36     ` Dave Chinner
2021-09-27 20:07 ` David Sterba
2021-09-28  3:11 ` NeilBrown [this message]
2021-09-30 15:54   ` Steve French
2021-09-30 15:54     ` Steve French
2021-09-29 15:45 ` David Howells

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