linux-kernel - Re: question on readahead and sync mounting

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Message-Id: <201002230059.09390.oliver@neukum.org>
Date:	Tue, 23 Feb 2010 00:59:09 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	GeunSik Lim <leemgs1@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: question on readahead and sync mounting

Am Dienstag, 23. Februar 2010 00:48:39 schrieben Sie:
> Please, Refer to below articles to understand readahead essentially.
> 
> http://lwn.net/Articles/235164/ (On-demand readahead by corbet)
> http://kernelnewbies.org/Linux_2_6_23#head-102af265937262a7a21766ae58fddc1a29a5d8d7(
> On-demand read-ahead on Linux 2.6.23)

OK, I am looking for a way to make sure read requests on a SCSI drive
actually hit the bus after a certain event. Is there a way to do this without
tossing away the whole cache?

	Regards
		Oliver
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