recvfile support

[Jeremy Allison]

On Fri, Oct 25, 2013 at 10:11:41PM +0200, Ralph Böhme wrote:
> Hi
> 
> Am 25.10.2013 um 20:06 schrieb Jeremy Allison <jra at samba.org>:
> 
> > On Fri, Oct 25, 2013 at 12:10:45AM -0700, SDN learn wrote:
> >> Hi Samba Experts,
> >> 
> >> I'm trying to play with samba 3.6.8 on kernel 3.10 and notice that
> >> turning ON recvfile in smb.conf reduces performance.
> > 
> > Linux doesn't have a working recvfile system call, so don't do
> > that.
> 
> -v please. :)
> 
> Does that imply that splice() on Linux is broken in this case? Last time I checked (with Netatalk though, not Samba) it worked as expected.

Yes it's broken. splice does not do a zero-copy recvfile.