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From: Andrew Morton <akpm@zip.com.au>
To: Dan Maas <dmaas@dcine.com>
Cc: Chris Wedgwood <cw@f00f.org>, linux-kernel@vger.kernel.org
Subject: Re: LFS Support for Sendfile
Date: Sat, 02 Mar 2002 21:34:52 -0800	[thread overview]
Message-ID: <3C81B5FC.CD08979A@zip.com.au> (raw)
In-Reply-To: <fa.inaf1vv.one4p5@ifi.uio.no> <fa.esfhmsv.bku814@ifi.uio.no> <02bb01c1c271$7f717700$1a01a8c0@allyourbase>

Dan Maas wrote:
> 
> >     [sendfile(2)] as defined does not support LFS.
> >
> > I wonder does it really need to?  I mean, a loop calling sendfile for
> > 2GB (or whatever) at a time is almost as good, if not better in some
> > ways.
> 
> The 'count' parameter is not the problem, it's the 'offset'. You can't send
> any data beyond 2GB from the beginning of the file...
> 
> And in fact just two days ago I was in a situation where this would have
> been desirable - I was sending parts of a captured DV video stream (the file
> was 6GB)...
> 

We need a sendfile64() system call.  It's really simple,  but
nobody did it.

-

  reply	other threads:[~2002-03-03  5:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.inaf1vv.one4p5@ifi.uio.no>
     [not found] ` <fa.esfhmsv.bku814@ifi.uio.no>
2002-03-03  5:08   ` LFS Support for Sendfile Dan Maas
2002-03-03  5:34     ` Andrew Morton [this message]
2002-02-28  0:27 Doug O'Neil
2002-02-28  1:22 ` Doug McNaught
2002-02-28  8:03   ` Matti Aarnio
2002-03-02 22:24     ` Chris Wedgwood
2002-03-03 12:36       ` Hans Reiser

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