Re: Is it possible to use virtiofs to mount guest directory on the host?

On 4/11/25 12:57 AM, Nils Kattenbeck wrote:
> Hello,
> 
> This may sound like a weird inquiry but is it possible to run
> virtiofsd inside the guest
> and mount the exposed directory on the host?
> 
> Our goal is to replace SSHFS with a more modern/lightweight/performant
> alternative
> as SSHFS which is pretty much in bugfix-only mode and not actively
> developed any further.
> As our primary use-case is local development based on VMs virtiofs
> would be a great fit.
> 
> If this is not (currently) possible, how hard would it be to adapt it to do so?
> Or is this simply impossible? I would also appreciate pointers to
> alternative, lightweight solutions.

Don't know much details on your case.

If you run cache=none mode of virtiofs (virtiofsd still runs in host in
this case), you can share a directory tree between host and guest.  And
all modifications done on guest side can be seen from host side.  Not
sure if this is adequate for your case?

-- 
Thanks,
Jingbo