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From: Kenny Simpson <theonetruekenny@yahoo.com>
To: David Lloyd <dmlloyd@tds.net>
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Is user-space AIO dead?
Date: Wed, 11 Jan 2006 10:45:32 -0800 (PST)	[thread overview]
Message-ID: <20060111184532.42618.qmail@web34112.mail.mud.yahoo.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0601111223210.14191@tomservo.workpc.tds.net>

--- David Lloyd <dmlloyd@tds.net> wrote:
> Wouldn't nonblocking I/O on regular files be nice?

Yes it could be.  As I understand it, regular file writes (not O_DIRECT) are only to the page
cache and only block when there is memory pressure (so it is more of a throttle).

Reads, on the other hand, could be quite handy.  What might be very cool is if there were a way to
mmap and start faulting in the pages in the background, and get notified as they complete - or
when all the faulting is done.

-Kenny


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  reply	other threads:[~2006-01-11 18:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-11 18:12 Is user-space AIO dead? Kenny Simpson
2006-01-11 18:20 ` Marcin Dalecki
2006-01-11 18:23 ` David Lloyd
2006-01-11 18:45   ` Kenny Simpson [this message]
2006-01-11 19:10     ` David Lloyd
2006-01-11 19:20       ` Kenny Simpson
2006-01-11 20:31         ` Phillip Susi
2006-01-11 22:02           ` Kenny Simpson
2006-01-12  3:50             ` Phillip Susi
2006-01-12  4:14               ` Phillip Susi
2006-01-11 18:41 ` Benjamin LaHaise
2006-01-11 18:54   ` Kenny Simpson

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