Messages in this thread |  | | From | (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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