linux-kernel - Re: [PATCH] sendfile removal

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Message-ID: <466040C1.6030004@zytor.com>
Date:	Fri, 01 Jun 2007 08:52:33 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Eric Dumazet <dada1@...mosbay.com>
CC:	Jens Axboe <jens.axboe@...cle.com>, linux-kernel@...r.kernel.org,
	cotte@...ibm.com, hugh@...itas.com, neilb@...e.de,
	zanussi@...ibm.com, Linus Torvalds <torvalds@...l.org>,
	hch@...radead.org
Subject: Re: [PATCH] sendfile removal

Eric Dumazet wrote:
> 
> As I said, this new non blocking feature on the input side (disk), is
> nice and usefull. (For people scared by splice() syscall :) )
> 
> Just have to mention it is a change of behavior, and documentation
> probably needs to reflect this change. "Since linux 2.6.23, sendfile()
> repects O_NONBLOCK on in_fd as well"
> 

Fair enough.  Unix has traditionally not acknowledged the possibility of
nonblocking I/O on conventional files, for some odd reason.

	-hpa
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