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From: Chris Friesen <cfriesen@nortelnetworks.com>
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To: Benjamin LaHaise <bcrl@redhat.com>
Cc: Pavel Machek <pavel@elf.ucw.cz>, Andrea Arcangeli <andrea@suse.de>,
       Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org,
       linux-aio@kvack.org
Subject: Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)
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Benjamin LaHaise wrote:

> After thinking about it further, there is one problem with when that is
> avoided with timeout: if the system time is changed between the timeout
> calculation and the time the kernel calculates the jiffies offset, the
> process could be delayed much longer than desired (and fixing this case
> is hard enough that it should be avoided in typical code).  Tradeoffs...

Now if we had a constant monotonic source of time--say 64-bit nanoseconds since
boot--this wouldn't be a problem.

Chris

-- 
Chris Friesen                    | MailStop: 043/33/F10  
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