RE: New copyfile system call - discuss before LSF?

Myklebust, Trond
2013-02-22T22:48:24Z

> -----Original Message-----
> From: Zach Brown [mailto:zab@redhat.com]
> Sent: Friday, February 22, 2013 1:22 PM
> To: Ric Wheeler
> Cc: Paolo Bonzini; Myklebust, Trond; Linux FS Devel; linux-
> kernel@vger.kernel.org; Chris L. Mason; Christoph Hellwig; Alexander Viro;
> Martin K. Petersen; Hannes Reinecke; Joel Becker
> Subject: Re: New copyfile system call - discuss before LSF?
>
> > This seems to be suspiciously close to a clear consensus on how to
> > move forward after many years of spinning our wheels. Anyone want to
> > promote an actual patch before we change our collective minds?
>
> It seems like we'd want to start with the exisiting (presumably
> bitrotten) prototypes that Trond has for nfs and that Martin has for
> block->scsi. Mash the new syscall on top of and get them working in
> current mainline.
>
> I'd be happy to take responsibility for making forward progress if no one else
> has the bandwidth.
>
> Trond, Martin, would that make sense? Are the most recent versions of the
> prototypes available somewhere?

Hi Zach,

The wildly bitrotten NFS copyfile prototype can be found on

ftp://ftp.netapp.com/frm-ntap/opensource/linux_copyfileat/v2/linux_copyfileat_v2.tgz

Please open with extreme caution and apply the resulting patches to a Linux 2.6.34.2 kernel...

Cheers
Trond