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From: miquels@cistron-office.nl (Miquel van Smoorenburg)
Subject: Re: [POT] Which journalised filesystem ?
Date: Fri, 5 Oct 2001 23:41:43 +0000 (UTC)
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In article <E15pbX5-0007do-00@calista.inka.de>,
Bernd Eckenfels  <ecki@lina.inka.de> wrote:
>In article <m1669uyuqy.fsf@frodo.biederman.org> you wrote:
>> Definentily.  We want a write-barrier however we can get it.
>
>Does that mean we can or we can't? Is there a flush write cache operation in
>ATA? I asume there is one in SCSI?

Well hdparm has a -W option with which you can turn on/off the
write cache. If that works (and it appears it does) you should be
able to turn write cache off, write *one* block so that the
cache gets flushed and turn it back on. I'm not sure how to
test this, though.

Mike.
-- 
Move sig.

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