Re: adding a syscall to libc?

2019-06-09 Thread Konstantin Belousov
On Sun, Jun 09, 2019 at 06:12:59AM +, Rick Macklem wrote: > Konstantin Belousov wrote: > >On Sat, Jun 08, 2019 at 02:57:27AM +, Rick Macklem wrote: > >> Hi, > >> > First off, thanks Kostik for the fine explanation. I agree with Oliver that > it should > be captured somewhere like the wiki.

patch to add a Linux compatible copy_file_range(2) syscall

2019-06-09 Thread Rick Macklem
Hi, I just put a patch in phabricator that is intended to add a Linux compatible copy_file_range(2) syscall. My main interest in having this is that NFSv4.2 will know how to do file copying locally on the NFS server, saving all the reads/writes across the wire. It copies the file byte range in t