From: "Peter T. Breuer" <ptb@it.uc3m.es>
To: thunder@lightweight.ods.org
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: block device/VM question
Date: Thu, 29 Aug 2002 07:45:30 +0200 (MET DST) [thread overview]
Message-ID: <200208290545.g7T5jUE07536@oboe.it.uc3m.es> (raw)
"A month of sundays ago ptb wrote:"
> "A month of sundays ago ptb wrote:"
> > "A month of sundays ago Thunder from the hill wrote:"
> > > > And for the O_DIRECT flag we seem to do alloc_kiovec(1, &f->f_iobuf).
> > >
> > > Perhaps we should go biovec here?
I've now tried opening the ram disk device O_DIRECT in 2.4.19. Same result
as on my driver: every write returns EINVAL.
How does one use O_DIRECT? It needs driver support?
Peter
next reply other threads:[~2002-08-29 5:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-29 5:45 Peter T. Breuer [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-08-28 14:38 Peter T. Breuer
2002-08-27 18:40 Peter T. Breuer
[not found] <Pine.LNX.4.44.0208271118000.3234-100000@hawkeye.luckynet.adm>
2002-08-27 18:04 ` Peter T. Breuer
2002-08-27 19:13 ` Thunder from the hill
2002-08-27 19:28 ` Peter T. Breuer
[not found] <Pine.LNX.4.44.0208271100460.3234-100000@hawkeye.luckynet.adm>
2002-08-27 17:12 ` Peter T. Breuer
[not found] <Pine.LNX.4.44.0208271021020.3234-100000@hawkeye.luckynet.adm>
2002-08-27 16:32 ` Peter T. Breuer
2002-08-27 16:42 ` Thunder from the hill
2002-08-27 16:57 ` Peter T. Breuer
2002-08-27 11:28 Peter T. Breuer
2002-08-27 8:58 Peter T. Breuer
2002-08-27 16:06 ` Thunder from the hill
2002-08-27 16:14 ` Peter T. Breuer
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