Re: [PATCH] fuse: skip lookup during atomic_open() when O_CREAT is set

[Bernd Schubert <bernd@bsbernd.com>]

On 2/23/26 16:53, Miklos Szeredi wrote:
> On Mon, 23 Feb 2026 at 16:37, Bernd Schubert <bernd@bsbernd.com> wrote:
> 
>> After the discussion about LOOKUO_HANDLE my impression was actually that
>> we want to use compounds for the atomic open.
> 
> I think we want to introduce an atomic operation that does a lookup +
> an optional mknod, lets call this LOOKUP_CREATE_FH, this would return
> a flag indicating whether the file was created or if it existed prior
> to the operation.
> 
> Then, instead of the current CREATE operation there would be a
> compound with LOOKUP_CREATE_FH + OPEN.
> 
> Does that make sense?

Fine with me, but I need to process a bit if we want to that lookup to
return attributes or if it should be LOOKUP_CREATE_FH + OPEN + GETATTR.
Currently in the wrong time zone to do that today and also not much time
in general this week.


Thanks,
Bernd