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From: Matti Aarnio <matti.aarnio@zmailer.org>
To: Zilvinas Valinskas <zilvinas@gemtek.lt>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sendfile(2) behaviour has changed ?
Date: Wed, 16 Oct 2002 12:10:46 +0300	[thread overview]
Message-ID: <20021016091046.GD9644@mea-ext.zmailer.org> (raw)
In-Reply-To: <20021016084908.GA770@gemtek.lt>

On Wed, Oct 16, 2002 at 10:49:08AM +0200, Zilvinas Valinskas wrote:
> This sample code copies a file using sendfile(2) call works just fine on 
> 2.2.x and 2.4.x kernels. On 2.5.x kernels (not sure starting which
> version) it stopped working. Program terminates with EINVAL error. 
>
> $ ./sendfile
> sendfile: Invalid argument
> 
> Is this expected behaviour ? that sendfile(2) on 2.5.4x linux kernel requires
> socket as an output fd paramter ? 

  It has only been intended for output to a TCP stream socket.

> Was it ever legal to copy file(s) on filesystem using sendfile(2) ?
> (which was kindda nice feature ... )

  No.  It was a nice misfeature.

/Matti Aarnio

  reply	other threads:[~2002-10-16  9:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-16  8:49 sendfile(2) behaviour has changed ? Zilvinas Valinskas
2002-10-16  9:10 ` Matti Aarnio [this message]
2002-10-16  9:59   ` David S. Miller
2002-10-16 10:25     ` bert hubert
2002-10-17 20:51     ` James Antill
2002-10-17 22:41       ` David S. Miller
2002-10-17 23:23         ` James Antill
  -- strict thread matches above, loose matches on Subject: below --
2002-10-20  9:50 sendfile(2) behaviour has changed? Dan Maas
2002-10-24 22:37 ` Jamie Lokier

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