From: Andrea Arcangeli <andrea@suse.de>
To: David Mansfield <lkml@dm.ultramaster.com>
Cc: Sasi Peter <sape@iq.rulez.org>,
Godfrey Livingstone <godfrey@hattaway-associates.com>,
linux-kernel@vger.kernel.org
Subject: Re: Ingo's RAID patch for 2.2.18 final?
Date: Sat, 17 Feb 2001 20:23:31 +0100 [thread overview]
Message-ID: <20010217202331.J30401@athlon.random> (raw)
In-Reply-To: <200101241505.QAA01045@iq.rulez.org> <20010216151737.D14430@inspiron.random> <3A8D4D0F.5EB9BDB1@dm.ultramaster.com>
In-Reply-To: <3A8D4D0F.5EB9BDB1@dm.ultramaster.com>; from lkml@dm.ultramaster.com on Fri, Feb 16, 2001 at 10:53:51AM -0500
On Fri, Feb 16, 2001 at 10:53:51AM -0500, David Mansfield wrote:
> This may be a bit OT, but when you say O_DIRECT, that implies that you
> can pass that flag to open(2) and it will bypass the page cache, and
yes.
> read directly into user-space buffers (zero-copy IO)? Does this also
yes.
> bypass the read-ahead mechanisms in the kernel? Does it imply O_SYNC?
yes.
It's rawio through the fs. It's not included into 2.4-latest yet.
Andrea
next prev parent reply other threads:[~2001-02-17 19:23 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-24 15:05 Ingo's RAID patch for 2.2.18 final? Sasi Peter
2001-02-16 14:17 ` Andrea Arcangeli
2001-02-16 15:53 ` David Mansfield
2001-02-17 19:23 ` Andrea Arcangeli [this message]
2001-02-16 19:43 ` Can 2.2 Linux boot from an IDE ZIP? Dennis
2001-02-17 10:11 ` Sven Vermeulen
2001-02-17 10:14 ` Sven Vermeulen
-- strict thread matches above, loose matches on Subject: below --
2001-01-11 21:36 Ingo's RAID patch for 2.2.18 final? Jens Petersohn
2001-01-11 22:22 ` Takacs Sandor
2001-01-11 22:27 ` Alan Cox
2001-01-11 22:42 ` Takacs Sandor
2001-01-11 22:48 ` Jens Petersohn
2001-01-11 23:14 ` Takacs Sandor
2001-01-11 23:56 ` Matthias Kilian
2001-01-12 15:20 ` Oliver Teuber
2001-01-12 1:30 ` Andrea Arcangeli
2001-01-14 4:55 ` Godfrey Livingstone
2001-01-14 7:54 ` junio
2001-01-14 12:35 ` Ingo Molnar
2001-01-23 23:52 ` Sasi Peter
2001-01-24 0:09 ` Andrea Arcangeli
2001-01-24 0:43 ` Sasi Peter
2001-01-24 1:27 ` Andrea Arcangeli
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