From: Andrew Morton <akpm@osdl.org>
To: "Ulrich Windl" <ulrich.windl@rz.uni-regensburg.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Q: I/O to block devices
Date: Wed, 11 Oct 2006 18:08:44 -0700 [thread overview]
Message-ID: <20061011180844.d7119152.akpm@osdl.org> (raw)
In-Reply-To: <452A5115.27596.1451223@Ulrich.Windl.rkdvmks1.ngate.uni-regensburg.de>
On Mon, 09 Oct 2006 13:39:34 +0200
"Ulrich Windl" <ulrich.windl@rz.uni-regensburg.de> wrote:
> I'm surprised: To my knowledge I/O to block devices is synchronous (at least write
> I thought)
Nope. But the kernel will sync the device on the final close.
Try doing `sleep 10000000 < /dev/sda &' and the run the tests...
prev parent reply other threads:[~2006-10-12 1:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-09 11:39 Ulrich Windl
2006-10-12 1:08 ` Andrew Morton [this message]
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