Re: [PATCH] zerocopy NFS updated

[Andi Kleen]

On Thu, Apr 11, 2002 at 04:00:37PM -0200, Denis Vlasenko wrote:
> On 11 April 2002 09:36, David S. Miller wrote:
> > No, you must block truncate operations on the file until the client
> > ACK's the nfsd read request if you wish to use sendfile() with
> > nfsd.
> 
> Which shouldn't be a big performance problem unless I am unaware
> of some real-life applications doing heavy truncates.

Every unlink does a truncate. There are applications that delete files
a lot.

-Andi