From: Joel Becker <jlbec@evilplan.org>
To: Yasushi Saito <ysaito@hpl.hp.com>
Cc: linux-aio@kvack.org, linux-kernel@vger.kernel.org,
suparna@in.ibm.com, Janet Morgan <janetmor@us.ibm.com>
Subject: Re: [PATCH 1/2] aio: add vectored I/O support
Date: Sat, 16 Oct 2004 04:13:01 +0100 [thread overview]
Message-ID: <20041016031301.GC17142@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <416EDD19.3010200@hpl.hp.com>
On Thu, Oct 14, 2004 at 01:10:01PM -0700, Yasushi Saito wrote:
> This is a patch against 2.6.9-rc3-mm3 that add supports for vectored
> async I/O. It adds two additional commands, IO_CMD_PREADV and
> IO_CMD_PWRITEV to libaio.h. The below is roughly what I did:
How does this differ substantially from lio_listio() of each I/O
range? Does it have some significant performance win, or is it just
aiming for a completeness that POSIX doesn't (to my knowledge) specify?
Joel
--
Life's Little Instruction Book #464
"Don't miss the magic of the moment by focusing on what's
to come."
http://www.jlbec.org/
jlbec@evilplan.org
next prev parent reply other threads:[~2004-10-16 3:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 20:10 [PATCH 1/2] aio: add vectored I/O support Yasushi Saito
2004-10-16 3:13 ` Joel Becker [this message]
2004-10-16 5:18 ` Avi Kivity
2004-10-16 5:37 ` Joel Becker
2004-10-16 8:43 ` Avi Kivity
2004-10-16 16:28 ` Joel Becker
2004-10-16 17:29 ` Avi Kivity
2004-10-17 0:14 ` Joel Becker
2004-10-17 6:25 ` Avi Kivity
2004-10-16 12:05 ` William Lee Irwin III
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