On Fri, Oct 19, 2018 at 07:14:23PM +0300, Amir Goldstein wrote: > > On Fri, Oct 19, 2018 at 6:30 PM Olga Kornievskaia > > <olga.kornievskaia@xxxxxxxxx> wrote: > > > Allow copy_file_range to copy between different superblocks but only > > > of the same file system types. This feature was of interest to CIFS > > > as well as NFS. > > Sorry, you meant to allow cross sb copy from client, so you do want > to change user facing behavior. > For that you need to declare a flag to opt in for the new behavior > and document it. > Please keep linux-api CC-ed when posting the flag. > Referencing a draft for man page is recommended. Huh? We're allowed to make things work that used to fail. There's no need to add a flag that the user must set.
