Miklos Szeredi <miklos@szeredi.hu> wrote:

> You can determine at fsopen() time whether the filesystem is able to
> support the O_EXCL behavior?  If so, then it's trivial to enable this
> conditionally.  I think that's what Eric is asking for, it's obviously
> not fair to ask for a change in behavior of the legacy interface.

It's not trivial, see btrfs and nfs :-/

David