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From: Alan <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <ak@suse.de>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>,
	David Miller <davem@davemloft.net>,
	Ulrich Drepper <drepper@redhat.com>,
	Andrew Morton <akpm@osdl.org>, netdev <netdev@vger.kernel.org>,
	Zach Brown <zach.brown@oracle.com>,
	Christoph Hellwig <hch@infradead.org>,
	Chase Venters <chase.venters@clientec.com>,
	Johann Borck <johann.borck@densedata.com>,
	linux-kernel@vger.kernel.org, Jeff Garzik <jeff@garzik.org>,
	Jamal Hadi Salim <hadi@cyberus.ca>, Ingo Molnar <mingo@elte.hu>,
	linux-fsdevel@vger.kernel.org
Subject: Re: [take36 10/10] kevent: Kevent based generic AIO.
Date: Mon, 12 Feb 2007 13:12:57 +0000	[thread overview]
Message-ID: <20070212131257.565f8066@localhost.localdomain> (raw)
In-Reply-To: <p733b5bh6bp.fsf@bingen.suse.de>

> I'm sure others would want them then for their favourite system call combo
> too. If they were really useful it might make more sense to have a batch() 
> system call that works for arbitary calls, but I'm not convinced yet
> it's even needed. It would be certainly ugly.

batch() would possibly make a lot of sense in terms of the fibril/thread
based removal for the need for all the AIO stuff, just to provide a
natural way to group and order sequences of synchronous operations into
asynchronous groups.

I am extremely sceptical about the need for aio_sendfile_path since with
sendfile/sendpath hacking around there didn't seem to be much gain.

I'm even more sceptical of the header buffer stuff as while other OS's do
that as a hack to make TCP packetising work we simply fixed the root
problem with TCP_CORK

Alan

  parent reply	other threads:[~2007-02-12 13:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <11712796473213@2ka.mipt.ru>
2007-02-12 11:27 ` [take36 3/10] kevent: poll/select() notifications Evgeniy Polyakov
2007-02-12 11:27   ` [take36 4/10] kevent: Socket notifications Evgeniy Polyakov
2007-02-12 11:27     ` [take36 5/10] kevent: Timer notifications Evgeniy Polyakov
2007-02-12 11:27       ` [take36 6/10] kevent: Pipe notifications Evgeniy Polyakov
2007-02-12 11:27         ` [take36 7/10] kevent: Signal notifications Evgeniy Polyakov
2007-02-12 11:27           ` [take36 8/10] kevent: Kevent posix timer notifications Evgeniy Polyakov
2007-02-12 11:27             ` [take36 9/10] kevent: Private userspace notifications Evgeniy Polyakov
2007-02-12 11:27               ` [take36 10/10] kevent: Kevent based generic AIO Evgeniy Polyakov
2007-02-12 13:08                 ` Andi Kleen
2007-02-12 12:19                   ` Evgeniy Polyakov
2007-02-12 13:12                   ` Alan [this message]
2007-02-12 13:24                     ` Evgeniy Polyakov

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