linux-kernel - Re: slow open() calls and o

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Date:	Mon, 4 Jun 2007 14:49:18 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Aaron Wiebe" <epiphani@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: slow open() calls and o_nonblock

> Now, I'm a userspace guy so I can be pretty dense, but shouldn't a
> call with a nonblocking flag return EAGAIN if its going to take
> anywhere near 415ms?  

Violation of causality. We don't know it will block for 415ms until 415ms
have elapsed. 

Alan
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