Re: Q: I/O to block devices

From: Andrew Morton
Date: Wed Oct 11 2006 - 21:09:26 EST


On Mon, 09 Oct 2006 13:39:34 +0200
"Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx> 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...
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