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From: Jeff Garzik <jgarzik@pobox.com>
To: Neil Brown <neilb@suse.de>
Cc: sander@humilis.net, Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, reiserfs-dev@namesys.com
Subject: Re: Please help me understand ->writepage. Was Re: segfault mdadm --write-behind, 2.6.14-mm2  (was: Re: RAID1 ramdisk patch)
Date: Mon, 21 Nov 2005 18:30:41 -0500	[thread overview]
Message-ID: <20051121233041.GC24565@havoc.gtf.org> (raw)
In-Reply-To: <17282.21309.229128.930997@cse.unsw.edu.au>

On Tue, Nov 22, 2005 at 10:07:41AM +1100, Neil Brown wrote:
> To write the pages out it effectively does ->prepare_write,
> ->commit_write, and then ->writepage.
> I'm not sure that prepare/commit is needed, but they don't seem to be
> the problem.  writepage is.

That's a bit weird.  Typically you have two separate callpaths,
non-page-aligned (prepare_write + commit_write) or writepage(s).
Not both.

	Jeff




  reply	other threads:[~2005-11-21 23:30 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-05  0:46 RAID1 ramdisk patch Wilco Baan Hofman
2005-09-05  1:27 ` Neil Brown
2005-09-05  7:40   ` Wilco Baan Hofman
2005-11-16 13:36   ` segfault mdadm --write-behind, 2.6.14-mm2 (was: Re: RAID1 ramdisk patch) Sander
2005-11-16 22:20     ` Andrew Morton
2005-11-16 23:08       ` Neil Brown
2005-11-17  7:50         ` Sander
2005-11-17 10:12           ` Sander
2005-11-17 10:15             ` Sander
2005-11-21 23:07               ` Please help me understand ->writepage. Was " Neil Brown
2005-11-21 23:30                 ` Jeff Garzik [this message]
2005-11-21 23:51                 ` Andrew Morton
2005-11-22  3:12                   ` Neil Brown
2005-11-22  3:47                     ` Andrew Morton
2005-11-22 10:34                     ` Sander
2005-11-24  5:41                       ` Please help me understand reiser4_writepage. " Neil Brown
2005-11-22 12:00                     ` Please help me understand ->writepage. " Anton Altaparmakov
2005-11-24  5:29                       ` Neil Brown
2005-11-18 14:18       ` segfault mdadm --write-behind, 2.6.14-mm2 Vladimir V. Saveliev

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