On Fri, Aug 24, 2018 at 7:43 PM, Andy Lutomirski <luto@xxxxxxxxxx> wrote: > On Fri, Aug 24, 2018 at 10:10 AM, David Howells <dhowells@xxxxxxxxxx> wrote: >> Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: >> >>> Hmm. Is it that case in the current patchset that you can do CMD_CREATE and >>> reconfigure the result and some *other* existing mount will change? If so, >>> that’s rather unfriendly to users. >> >> The default behaviour has to be the same as mount(2). This is rubbish. Anyone wanting the mount(2) behavior can use mount(2). About exclusive create: can't we just look at the active reference count of the superblock returned by ->get_tree() (if it's one, we are the only users, i.e. the create was exclusive)? Thanks, Miklos
