From: "Mike Snitzer" <snitzer@gmail.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Christoph Hellwig <hch@infradead.org>,
David Miller <davem@davemloft.net>,
nickpiggin@yahoo.com.au, torvalds@linux-foundation.org,
akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, netdev@vger.kernel.org,
trond.myklebust@fys.uio.no,
Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Subject: Re: [PATCH 00/33] Swap over NFS -v14
Date: Wed, 31 Oct 2007 10:54:02 -0400 [thread overview]
Message-ID: <170fa0d20710310754h55d768bdgb67f30b54174e680@mail.gmail.com> (raw)
In-Reply-To: <1193828206.27652.145.camel@twins>
On 10/31/07, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> On Wed, 2007-10-31 at 08:50 +0000, Christoph Hellwig wrote:
> > On Tue, Oct 30, 2007 at 09:37:53PM -0700, David Miller wrote:
> > > Don't be misled. Swapping over NFS is just a scarecrow for the
> > > seemingly real impetus behind these changes which is network storage
> > > stuff like iSCSI.
> >
> > So can we please do swap over network storage only first? All these
> > VM bits look conceptually sane to me, while the changes to the swap
> > code to support nfs are real crackpipe material.
>
> Yeah, I know how you stand on that. I just wanted to post all this
> before going off into the woods reworking it all.
...
> > So please get the VM bits for swap over network blockdevices in first,
>
> Trouble with that part is that we don't have any sane network block
> devices atm, NBD is utter crap, and iSCSI is too complex to be called
> sane.
>
> Maybe Evgeniy's Distributed storage thingy would work, will have a look
> at that.
Andrew recently asked Evgeniy if his DST was ready for merging; to
which Evgeniy basically said yes:
http://lkml.org/lkml/2007/10/27/54
It would be great if DST could be merged; whereby addressing the fact
that NBD is lacking for net-vm. If DST were scrutinized in the
context of net-vm it should help it get the review that is needed for
merging.
Mike
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next prev parent reply other threads:[~2007-10-31 14:54 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-30 16:04 [PATCH 00/33] Swap over NFS -v14 Peter Zijlstra
2007-10-30 16:04 ` [PATCH 01/33] mm: gfp_to_alloc_flags() Peter Zijlstra
2007-10-30 16:04 ` [PATCH 02/33] mm: tag reseve pages Peter Zijlstra
2007-10-30 16:04 ` [PATCH 03/33] mm: slub: add knowledge of reserve pages Peter Zijlstra
2007-10-31 3:37 ` Nick Piggin
2007-10-31 10:42 ` Peter Zijlstra
2007-10-31 10:46 ` Nick Piggin
2007-10-31 12:17 ` Peter Zijlstra
2007-10-31 11:25 ` Nick Piggin
2007-10-31 12:54 ` Peter Zijlstra
2007-10-31 13:08 ` Peter Zijlstra
2007-10-30 16:04 ` [PATCH 04/33] mm: allow mempool to fall back to memalloc reserves Peter Zijlstra
2007-10-31 3:40 ` Nick Piggin
2007-10-30 16:04 ` [PATCH 05/33] mm: kmem_estimate_pages() Peter Zijlstra
2007-10-31 3:43 ` Nick Piggin
2007-10-31 10:42 ` Peter Zijlstra
2007-10-30 16:04 ` [PATCH 06/33] mm: allow PF_MEMALLOC from softirq context Peter Zijlstra
2007-10-31 3:51 ` Nick Piggin
2007-10-31 10:42 ` Peter Zijlstra
2007-10-31 10:49 ` Nick Piggin
2007-10-31 13:06 ` Peter Zijlstra
2007-10-30 16:04 ` [PATCH 07/33] mm: serialize access to min_free_kbytes Peter Zijlstra
2007-10-30 16:04 ` [PATCH 08/33] mm: emergency pool Peter Zijlstra
2007-10-30 16:04 ` [PATCH 09/33] mm: system wide ALLOC_NO_WATERMARK Peter Zijlstra
2007-10-31 3:52 ` Nick Piggin
2007-10-31 10:45 ` Peter Zijlstra
2007-10-30 16:04 ` [PATCH 10/33] mm: __GFP_MEMALLOC Peter Zijlstra
2007-10-30 16:04 ` [PATCH 11/33] mm: memory reserve management Peter Zijlstra
2007-10-30 16:04 ` [PATCH 12/33] selinux: tag avc cache alloc as non-critical Peter Zijlstra
2007-10-30 16:04 ` [PATCH 13/33] net: wrap sk->sk_backlog_rcv() Peter Zijlstra
2007-10-30 16:04 ` [PATCH 14/33] net: packet split receive api Peter Zijlstra
2007-10-30 16:04 ` [PATCH 15/33] net: sk_allocation() - concentrate socket related allocations Peter Zijlstra
2007-10-30 16:04 ` [PATCH 16/33] netvm: network reserve infrastructure Peter Zijlstra
2007-10-30 16:04 ` [PATCH 17/33] sysctl: propagate conv errors Peter Zijlstra
2007-10-30 16:04 ` [PATCH 18/33] netvm: INET reserves Peter Zijlstra
2007-10-30 16:04 ` [PATCH 19/33] netvm: hook skb allocation to reserves Peter Zijlstra
2007-10-30 16:04 ` [PATCH 20/33] netvm: filter emergency skbs Peter Zijlstra
2007-10-30 16:04 ` [PATCH 21/33] netvm: prevent a TCP specific deadlock Peter Zijlstra
2007-10-30 16:04 ` [PATCH 22/33] netfilter: NF_QUEUE vs emergency skbs Peter Zijlstra
2007-10-30 16:04 ` [PATCH 23/33] netvm: skb processing Peter Zijlstra
2007-10-30 21:26 ` Stephen Hemminger
2007-10-30 21:26 ` Stephen Hemminger
2007-10-30 21:44 ` Peter Zijlstra
2007-10-30 16:04 ` [PATCH 24/33] mm: prepare swap entry methods for use in page methods Peter Zijlstra
2007-10-30 16:04 ` [PATCH 25/33] mm: add support for non block device backed swap files Peter Zijlstra
2007-10-30 16:04 ` [PATCH 26/33] mm: methods for teaching filesystems about PG_swapcache pages Peter Zijlstra
2007-10-30 16:04 ` [PATCH 27/33] nfs: remove mempools Peter Zijlstra
2007-10-30 16:04 ` [PATCH 28/33] nfs: teach the NFS client how to treat PG_swapcache pages Peter Zijlstra
2007-10-31 8:52 ` Christoph Hellwig
2007-10-30 16:04 ` [PATCH 29/33] nfs: disable data cache revalidation for swapfiles Peter Zijlstra
2007-10-30 16:04 ` [PATCH 30/33] nfs: swap vs nfs_writepage Peter Zijlstra
2007-10-30 16:04 ` [PATCH 31/33] nfs: enable swap on NFS Peter Zijlstra
2007-10-30 16:04 ` [PATCH 32/33] nfs: fix various memory recursions possible with swap over NFS Peter Zijlstra
2007-10-30 16:04 ` [PATCH 33/33] nfs: do not warn on radix tree node allocation failures Peter Zijlstra
2007-10-31 3:26 ` [PATCH 00/33] Swap over NFS -v14 Nick Piggin
2007-10-31 4:37 ` David Miller, Nick Piggin
2007-10-31 4:04 ` Nick Piggin
2007-10-31 14:03 ` Byron Stanoszek
2007-10-31 8:50 ` Christoph Hellwig
2007-10-31 10:56 ` Peter Zijlstra
2007-10-31 11:18 ` NBD was " Pavel Machek
2007-10-31 11:24 ` Peter Zijlstra
2007-10-31 14:54 ` Mike Snitzer [this message]
2007-10-31 16:31 ` Evgeniy Polyakov
2007-10-31 9:53 ` Peter Zijlstra
2007-10-31 11:27 ` Peter Zijlstra
2007-10-31 12:16 ` Jeff Garzik
2007-10-31 12:56 ` Peter Zijlstra
2007-10-31 13:18 ` Arnaldo Carvalho de Melo
2007-10-31 13:44 ` Gregory Haskins
2007-11-02 8:54 ` Pavel Machek
2007-11-18 18:09 ` Robin Humble
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