[Gluster-devel] RFC: FUSE kernel features to be adopted by GlusterFS

[Csaba Henk]

On Fri, Nov 10, 2017 at 12:01 AM, Jeff Darcy <jeff at pl.atyp.us> wrote:
>> So - nothing inherent to libfuse and nothing that would be relevant as
>> of today.
>>
>> But then, let me put it like this: what reason could we have to *not* go
>> with xglfs in 4.0? It's true that the deliverables are present in libfuse
>> and
>> libgfapi and it's just a thin glue. As such it seems to be almost devoid
>> of design concerns, it just bridges the two interfaces in a
>> straightforward manner. Superficially it seems to be a superior approach
>> - what snag holds us back to embrace it wholeheartedly?
>
> What about https://review.gluster.org/#/c/3341/ and its antecedents?
> Libfuse used to be unable to deal with SELinux's behavior of trying to
> issue a getxattr from within the mount call.  Have either libfuse or
> SELinux fixed that?  There might be other local changes that we'd need
> to verify in similar fashion.

Yes, this should be ported to libfuse (or come up with an alternative
solution) once the missing kernel bits are in place. I think that should
happen regardless of our choice of FUSE userspace implementation.

Csaba