From: "Stephen C. Tweedie" <sct@redhat.com>
To: BenHanokh Gabriel <gabriel@SANgate.com>
Cc: linux-mm@kvack.org
Subject: Re: non-buffers writes
Date: Mon, 14 Aug 2000 09:16:06 +0100 [thread overview]
Message-ID: <20000814091606.I12218@redhat.com> (raw)
In-Reply-To: <3986D82A.CF9DEE2A@SANgate.com>; from gabriel@SANgate.com on Tue, Aug 01, 2000 at 05:01:14PM +0300
Hi,
On Tue, Aug 01, 2000 at 05:01:14PM +0300, BenHanokh Gabriel wrote:
>
> how can i do direct writes to disk without the buffer-cache overhead?
> i failed to see any relevant flag to open() , nor any fnctl()
Via /dev/raw/raw* raw devices ("man raw"). We plan much more powerful
direct IO functionality for 2.5 (which should support O_DIRECT opening
of devices and regular files), but for now raw IO is the only
supported mechanism.
Cheers,
Stephen
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prev parent reply other threads:[~2000-08-14 8:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-08-01 14:01 non-buffers writes BenHanokh Gabriel
2000-08-14 8:16 ` Stephen C. Tweedie [this message]
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