Messages in this thread | | | Date | Fri, 1 Jun 2018 07:39:28 +0100 | From | Al Viro <> | Subject | Re: [PATCH 30/32] vfs: Allow cloning of a mount tree with open(O_PATH|O_CLONE_MOUNT) [ver #8] |
| |
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.
| |