Re: [PATCH v4 0/5] virtiofsd xattr name mappings

[Stefan Hajnoczi]

On Fri, Oct 23, 2020 at 05:58:07PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> This is the 4th cut of an xattr name mapping option for virtiofsd.
> It allows the user of virtiofsd to define a fairly flexible mapping
> from the view of the xattr names the host fs has and the ones that the
> guest sees.
> 
>   The hope is this allows things like:
>     a) Different selinux attributes on host/guest
>     b) separation of trusted. attributes that clash on overlayfs
>     c) support for privileged xattr's in guests running with an
>        unprivileged virtiofsd.
> 
> There's no apparent standard for this kind of mapping, so I made
> it flexible by specifying a mapping rule in the option.
> 
> Prefix's can be added (selectively or globally), xattr's can be
> dropped in either direction or passed through.
> 
> v4
>   cleanups from Stefan and Vivek's reviews
> 
> Dave
> 
> 
> Dr. David Alan Gilbert (5):
>   tools/virtiofsd: xattr name mappings: Add option
>   tools/virtiofsd: xattr name mappings: Map client xattr names
>   tools/virtiofsd: xattr name mappings: Map server xattr names
>   tools/virtiofsd: xattr name mapping examples
>   tools/virtiofsd: xattr name mappings: Simple 'map'
> 
>  docs/tools/virtiofsd.rst         | 161 +++++++++++
>  tools/virtiofsd/passthrough_ll.c | 474 ++++++++++++++++++++++++++++++-
>  2 files changed, 632 insertions(+), 3 deletions(-)
> 
> -- 
> 2.28.0
> 

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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