Re: [RFC PATCH v1 3/3] fuse: implementation of the FUSE_LOOKUP_HANDLE operation

[Luis Henriques <luis@igalia.com>]

On Fri, Nov 21 2025, Bernd Schubert wrote:

> Thanks a lot for this Luis!
>
> On 11/21/25 08:49, Amir Goldstein wrote:
>> On Thu, Nov 20, 2025 at 11:55 AM Luis Henriques <luis@igalia.com> wrote:
>>>
>>> The implementation of LOOKUP_HANDLE simply modifies the LOOKUP operation to
>>> include an extra inarg: the file handle for the parent directory (if it is
>>> available).  Also, because fuse_entry_out now has a extra variable size
>>> struct (the actual handle), it also sets the out_argvar flag to true.
>>>
>>> Most of the other modifications in this patch are a fallout from these
>>> changes: because fuse_entry_out has been modified to include a variable size
>>> struct, every operation that receives such a parameter have to take this
>>> into account:
>>>
>>>   CREATE, LINK, LOOKUP, MKDIR, MKNOD, READDIRPLUS, SYMLINK, TMPFILE
>>>
>> 
>> Overall, this is exactly what I had in mind.
>> Maybe it's utter garbage but that's what I was aiming for ;)
>> 
>> I'd like to get feedback from Miklos and Bernd on the details of the
>> protocol extension, especially w.r.t backward compat aspects.
>
> I will look into it in the late afternoon

That'd be awesome, thanks a lot Bernd!

Cheers,
-- 
Luís