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From: Manfred Spraul <manfred@colorfullife.com>
To: Jens Axboe <axboe@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ide write barrier support
Date: Fri, 17 Oct 2003 19:59:38 +0200	[thread overview]
Message-ID: <3F902E0A.5060908@colorfullife.com> (raw)

Jens wrote:

>The problem is that as far as I can see the best way to make fsync
>really work is to make the last write a barrier write. That
>automagically gets everything right for you - when the last block goes
>to disk, you know the previous ones have already. And when the last
>block completes, you know the whole lot is on platter.
>
Are you sure?
What prevents the io scheduler from writing the last block before other 
blocks?

--
    Manfred


             reply	other threads:[~2003-10-17 17:59 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-17 17:59 Manfred Spraul [this message]
2003-10-17 18:06 ` [PATCH] ide write barrier support Jens Axboe
2003-10-21  0:47   ` Matthias Andree
     [not found] <IXzh.61g.5@gated-at.bofh.it>
2003-10-21 19:24 ` Anton Ertl
  -- strict thread matches above, loose matches on Subject: below --
2003-10-17 18:42 Mudama, Eric
2003-10-17 16:07 Mudama, Eric
2003-10-17 18:08 ` Jens Axboe
2003-10-16 20:51 Mudama, Eric
2003-10-17  6:48 ` Jens Axboe
2003-10-16 16:51 Mudama, Eric
2003-10-16 20:43 ` Greg Stark
2003-10-17  6:44   ` Jens Axboe
2003-10-17  6:46 ` Jens Axboe
2003-10-13 14:08 Jens Axboe
2003-10-13 15:23 ` Jeff Garzik
2003-10-13 15:35   ` Jens Axboe
2003-10-13 15:37     ` Jens Axboe
2003-10-13 22:39 ` Matthias Andree
2003-10-14  0:16   ` Jeff Garzik
2003-10-16 10:36     ` Jens Axboe
2003-10-16 10:46       ` Jeff Garzik
2003-10-16 10:48         ` Jens Axboe
2003-10-13 23:07 ` Andrew Morton
2003-10-14  6:48   ` Jens Axboe
2003-10-15  3:40 ` Greg Stark
2003-10-16  7:10   ` Jens Axboe
2003-10-20 17:10 ` Daniel Phillips
2003-10-20 19:56   ` Jens Axboe
2003-10-20 23:46     ` Daniel Phillips
2003-10-21  5:40       ` Jens Axboe
2003-10-23 16:22         ` Daniel Phillips
2003-10-23 16:23           ` Jens Axboe
2003-10-23 17:20             ` Daniel Phillips
2003-10-23 23:21               ` Nick Piggin
2003-10-26 21:06                 ` Daniel Phillips
2003-10-27 10:29                   ` Lars Marowsky-Bree
2003-10-27 21:35                     ` Daniel Phillips
2003-10-24  9:36               ` Helge Hafting
2003-10-26 15:38                 ` Daniel Phillips

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