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From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: linux-kernel@vger.kernel.org
Cc: 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: [take34 0/10] kevent: Generic event handling mechanism.
Date: Fri, 26 Jan 2007 01:56:34 +0300	[thread overview]
Message-ID: <20070125225634.GA9905@2ka.mipt.ru> (raw)
In-Reply-To: <11697329102169@2ka.mipt.ru>

On Thu, Jan 25, 2007 at 04:48:30PM +0300, Evgeniy Polyakov (johnpol@2ka.mipt.ru) wrote:
> Changes from 'take33' patchset:
>  * Added optional header pointer and its size into aio_sendfile_path(), 
>    which allows to send header and file in one syscall instead of
>    send(header), open file, sendfile(file).

Btw, aio_sendfile and aio_sendfile_path use naive and actually the 
simplest approach of async IO - it just stupidly blocks on sending or 
resends (like repeated sending approach) - I'm a bit lazy to use kevent 
there, since there is _no_ gain after a bit more deep analysis 
(hint: there are multiple IO threads, some of them might block), 
and network AIO does not exist (yet, kevent status is in hinged state,
and I was asked to postpone additional feature addons, which otherwise
could happen a bit more frequently then current kevent/kernel releases), 
due to kevent future is indeterminate...

-- 
	Evgeniy Polyakov

      parent reply	other threads:[~2007-01-25 22:57 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1315adqaa0591036@2ka.mipt.ru>
2007-01-17  6:30 ` [take33 " Evgeniy Polyakov
2007-01-17  6:30   ` [take33 1/10] kevent: Description Evgeniy Polyakov
2007-01-17  6:30     ` [take33 2/10] kevent: Core files Evgeniy Polyakov
2007-01-17  6:30       ` [take33 3/10] kevent: poll/select() notifications Evgeniy Polyakov
2007-01-17  6:30         ` [take33 4/10] kevent: Socket notifications Evgeniy Polyakov
2007-01-17  6:30           ` [take33 5/10] kevent: Timer notifications Evgeniy Polyakov
2007-01-17  6:30             ` [take33 6/10] kevent: Pipe notifications Evgeniy Polyakov
2007-01-17  6:30               ` [take33 7/10] kevent: Signal notifications Evgeniy Polyakov
2007-01-17  6:30                 ` [take33 8/10] kevent: Kevent posix timer notifications Evgeniy Polyakov
2007-01-17  6:30                   ` [take33 9/10] kevent: Private userspace notifications Evgeniy Polyakov
2007-01-17  6:30                     ` [take33 10/10] kevent: Kevent based AIO (aio_sendfile()/aio_sendfile_path()) Evgeniy Polyakov
2007-01-17 13:51                       ` Suparna Bhattacharya
2007-01-17 14:39                         ` Evgeniy Polyakov
2007-01-19  6:27                           ` Suparna Bhattacharya
2007-01-19  9:23                             ` Evgeniy Polyakov
2007-01-25 13:48 ` [take34 0/10] kevent: Generic event handling mechanism Evgeniy Polyakov
2007-01-25 13:48   ` [take34 1/10] kevent: Description Evgeniy Polyakov
2007-01-25 13:48     ` [take34 2/10] kevent: Core files Evgeniy Polyakov
2007-01-25 13:48       ` [take34 3/10] kevent: poll/select() notifications Evgeniy Polyakov
2007-01-25 13:48         ` [take34 4/10] kevent: Socket notifications Evgeniy Polyakov
2007-01-25 13:48           ` [take34 5/10] kevent: Timer notifications Evgeniy Polyakov
2007-01-25 13:48             ` [take34 6/10] kevent: Pipe notifications Evgeniy Polyakov
2007-01-25 13:48               ` [take34 7/10] kevent: Signal notifications Evgeniy Polyakov
2007-01-25 13:48                 ` [take34 8/10] kevent: Kevent posix timer notifications Evgeniy Polyakov
2007-01-25 13:48                   ` [take34 9/10] kevent: Private userspace notifications Evgeniy Polyakov
2007-01-25 13:48                     ` [take34 10/10] kevent: Kevent based AIO (aio_sendfile()/aio_sendfile_path()) Evgeniy Polyakov
2007-01-25 22:56   ` Evgeniy Polyakov [this message]

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