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From: Christoph Hellwig <hch@infradead.org>
To: Nathan Scott <nathans@sgi.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Andrew Morton <akpm@osdl.org>,
	trond.myklebust@fys.uio.no, sgoel01@yahoo.com,
	linux-kernel@vger.kernel.org
Subject: Re: 2.6.6-rc{1,2} bad VM/NFS interaction in case of dirty page writeback
Date: Thu, 29 Apr 2004 09:27:30 +0100	[thread overview]
Message-ID: <20040429092730.A30057@infradead.org> (raw)
In-Reply-To: <20040429114821.F662560@wobbly.melbourne.sgi.com>; from nathans@sgi.com on Thu, Apr 29, 2004 at 11:48:21AM +1000

On Thu, Apr 29, 2004 at 11:48:21AM +1000, Nathan Scott wrote:
> Another thing I think XFS could make good use of on the generic
> buffered IO path would be mpage_readpages and mpage_writepages
> variants that can use a get_blocks_t (like the direct IO path)
> instead of the single-block-at-a-time get_block_t interface thats
> used now.  The existence of such beasts would probably impact the
> direction xfs_aops.c takes a fair bit I'd guess Christoph?

For mpage_readpages - yes.  To use mpage_writepages from XFS I'd need
a large-scale rewrite to handle delayed allocations and unwritten extents,
so at least for the 2.6.x timeframe we're probably better of keeping our
own ->writepages inside XFS.


  reply	other threads:[~2004-04-29  8:46 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-27  1:12 2.6.6-rc{1,2} bad VM/NFS interaction in case of dirty page writeback Shantanu Goel
2004-04-27  2:15 ` Andrew Morton
2004-04-27  3:11   ` Trond Myklebust
2004-04-27  3:59     ` Andrew Morton
2004-04-27  5:23       ` Trond Myklebust
2004-04-27  5:58         ` Andrew Morton
2004-04-27 11:44           ` Shantanu Goel
2004-04-27 15:36           ` Trond Myklebust
2004-04-28  0:47             ` Shantanu Goel
2004-04-28  1:02               ` Andrew Morton
2004-04-28  1:28                 ` Trond Myklebust
2004-04-28  1:38                   ` Andrew Morton
2004-04-28  5:29             ` Christoph Hellwig
2004-04-28 16:17               ` Trond Myklebust
2004-04-28 16:38                 ` Christoph Hellwig
2004-04-28 19:07                   ` Andrew Morton
2004-04-29  1:48                     ` Nathan Scott
2004-04-29  8:27                       ` Christoph Hellwig [this message]
2004-04-27  6:10       ` Nick Piggin

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