On Thu, May 31, 2018 at 11:26:54PM -0700, Christoph Hellwig wrote: > On Fri, May 25, 2018 at 01:08:38AM +0100, David Howells wrote: > > Make it possible to clone a mount tree with a new pair of open flags that > > are used in conjunction with O_PATH: > > > > (1) O_CLONE_MOUNT - Clone the mount or mount tree at the path. > > > > (2) O_NON_RECURSIVE - Don't clone recursively. > > Err. I don't think we should use up two O_* flags for something > only useful for your new mount API. Don't we have a better place > to for these flags? > > Instead of overloading this on open having a specific syscalls just > seems like a much saner idea. It's not just mount API; these can be used independently of that. Think of the uses where you pass those to ...at() and you'll see a bunch of applications of that thing.
