From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Christoph Hellwig <hch@infradead.org>
Cc: Mike Snitzer <snitzer@gmail.com>,
lkml <linux-kernel@vger.kernel.org>,
netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [0/4] DST: Distributed storage.
Date: Tue, 4 Dec 2007 20:21:47 +0300 [thread overview]
Message-ID: <20071204172146.GA21838@2ka.mipt.ru> (raw)
In-Reply-To: <20071204165625.GA14995@infradead.org>
On Tue, Dec 04, 2007 at 04:56:26PM +0000, Christoph Hellwig (hch@infradead.org) wrote:
> > > * fixed bug with XFS metadata update (it can provide slab pages to the
> > > DST, so it is not allowed to transfer them using ->sendpage())
>
> xfs hasn't been doing that anymore for quite a while. Block drivers
> don't need hacks for it anymore, epsecially as it's not reliably
> detectable.
I use 2.6.22 and it is there, maybe it was changed later.
Right now it can be detected quite trivially, but can result in a little
more bio startup overhead, I just did not know that it was allowed and
thus did not have a check in the DST.
--
Evgeniy Polyakov
next prev parent reply other threads:[~2007-12-04 17:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <aqqqqasdzxczc036@2ka.mipt.ru>
2007-11-29 12:53 ` [0/4] dst: Distributed storage Evgeniy Polyakov
2007-11-29 12:53 ` [1/4] dst: Distributed storage documentation Evgeniy Polyakov
2007-11-29 12:53 ` [2/4] dst: Core distributed storage files Evgeniy Polyakov
2007-11-29 12:53 ` [3/4] dst: Network state machine Evgeniy Polyakov
2007-11-29 12:53 ` [4/4] dst: Algorithms used in distributed storage Evgeniy Polyakov
2007-12-03 4:50 ` [1/4] dst: Distributed storage documentation Matt Mackall
2007-12-03 11:16 ` Evgeniy Polyakov
2007-12-04 14:37 ` [0/4] DST: Distributed storage Evgeniy Polyakov
2007-12-04 14:37 ` [1/4] DST: Distributed storage documentation Evgeniy Polyakov
2007-12-04 14:37 ` [2/4] DST: Core distributed storage files Evgeniy Polyakov
2007-12-04 14:37 ` [3/4] DST: Network state machine Evgeniy Polyakov
2007-12-04 14:37 ` [4/4] DST: Algorithms used in distributed storage Evgeniy Polyakov
2007-12-04 15:25 ` [0/4] DST: Distributed storage Mike Snitzer
2007-12-04 16:00 ` Evgeniy Polyakov
2007-12-04 16:56 ` Christoph Hellwig
2007-12-04 17:21 ` Evgeniy Polyakov [this message]
[not found] <11qqqasdzxczc036@2ka.mipt.ru>
2007-12-10 11:47 ` Evgeniy Polyakov
[not found] <20071214133747.GC31971@2ka.mipt.ru>
2007-12-17 15:03 ` Evgeniy Polyakov
2007-12-18 1:00 ` David Chinner
2007-12-18 11:08 ` Evgeniy Polyakov
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