[Virtio-fs] [PATCH v2 0/5] virtiofsd: Add a unprivileged passthrough mode

[Stefan Hajnoczi]

On Thu, Jul 30, 2020 at 03:47:31PM -0400, Vivek Goyal wrote:
> Hi,
> 
> This is V2 of patches. Only change since last version is handling of
> lock/pid file creation as per the comments from Daniel Berrange.
> 
> I can't think of any more changes needed. As a unpriviliged user
> inside VM I can do simple operations like create/remove/read/write
> files.
> 
> For more testing, I probably need a testsuite which runs as unpriviliged
> user. pjdfstests needs to run as root and this does not work in this
> setup as creation of files as root fails. (On host, daemon tries to
> switch to root uid and that fails).
> 
> So as of now, I think these are the minimum changes needed to support
> unprivileged passthrough mode of virtiofsd.

Ideas for testing user file I/O:

  $ git clone https://git.qemu.org/git/qemu.git
  $ find qemu -name \*.c
  $ grep -r vhost_user_fs qemu
  $ rm -rf qemu

  $ pip install --user Django
  $ .local/bin/django-admin

Stefan
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