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From: David Brownell <david-b@pacbell.net>
To: Nate Diller <nate.diller@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@osdl.org>, Benjamin LaHaise <bcrl@kvack.org>,
	Christoph Hellwig <hch@infradead.org>,
	Kenneth W Chen <kenneth.w.chen@intel.com>,
	linux-aio@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, Nate Diller <nate@agami.com>,
	netdev@vger.kernel.org, ocfs2-devel@oss.oracle.com,
	Suparna Bhattacharya <suparna@in.ibm.com>,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	xfs-masters@oss.sgi.com
Subject: Re: [PATCH -mm 0/10][RFC] aio: make struct kiocb private
Date: Tue, 16 Jan 2007 00:22:35 -0800	[thread overview]
Message-ID: <200701160022.38492.david-b@pacbell.net> (raw)
In-Reply-To: <5c49b0ed0701152025t2e9fdd6cld36b077f36c78afe@mail.gmail.com>

On Monday 15 January 2007 8:25 pm, Nate Diller wrote:

> I don't think we should be waiting on sync I/O 
> at the *top* of the call stack, like with wait_on_sync_kiocb(), I'd
> say the best place to wait is at the *bottom*, down in the I/O
> scheduler.

Erm ... *what* I/O scheduler?  These I/O requests may go directly
to the end of the hardware I/O queue, which already has an I/O model
where each request can correspond directly to a KIOCB.  And which
does not include any synchronous primitives.

No such scheduler has previously been, or _should_ be, required.


  reply	other threads:[~2007-01-16  8:22 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-16  1:54 Nate Diller
2007-01-16  1:54 ` [PATCH -mm 7/10][RFC] aio: make __blockdev_direct_IO use file_endio_t Nate Diller
2007-01-16  1:54 ` [PATCH -mm 4/10][RFC] aio: convert aio_complete to file_endio_t Nate Diller
2007-01-16  5:53   ` David Brownell
2007-01-16  9:21     ` Nate Diller
2007-01-16  1:54 ` [PATCH -mm 5/10][RFC] aio: make blk_directIO use file_endio_t Nate Diller
2007-01-16  1:54 ` [PATCH -mm 8/10][RFC] aio: make direct_IO aops " Nate Diller
2007-01-16  1:54 ` [PATCH -mm 1/10][RFC] aio: scm remove struct siocb Nate Diller
2007-01-16  1:54 ` [PATCH -mm 6/10][RFC] aio: make nfs_directIO use file_endio_t Nate Diller
2007-01-16  1:54 ` [PATCH -mm 10/10][RFC] aio: convert file aio to file_endio_t Nate Diller
2007-01-16  1:54 ` [PATCH -mm 2/10][RFC] aio: net use struct socket for io Nate Diller
2007-01-16  5:44   ` Stephen Hemminger
2007-01-16 10:24     ` Evgeniy Polyakov
2007-01-16  1:54 ` [PATCH -mm 9/10][RFC] aio: usb gadget remove aio file ops Nate Diller
2007-01-16  6:05   ` David Brownell
2007-01-16  9:13     ` Nate Diller
2007-01-16 18:36       ` David Brownell
2007-01-16  1:54 ` [PATCH -mm 3/10][RFC] aio: use iov_length instead of ki_left Nate Diller
2007-01-16  2:14   ` Christoph Hellwig
2007-01-16  5:37     ` Nate Diller
2007-01-16 23:36       ` Ingo Oeser
2007-01-18  4:27     ` Vectored AIO breakage for sockets and pipes ? Suparna Bhattacharya
2007-01-18 21:40       ` Zach Brown
2007-01-16  3:23 ` [PATCH -mm 0/10][RFC] aio: make struct kiocb private Christoph Hellwig
2007-01-16  4:25   ` Nate Diller
2007-01-16  8:22     ` David Brownell [this message]
2007-01-17 21:52     ` Benjamin LaHaise
2007-01-17 23:30       ` Nate Diller

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