Re: [virtio-dev] [PATCH v7 1/2] content: add virtio file system device

[Cornelia Huck <cohuck@redhat.com>]

On Fri, 23 Aug 2019 16:39:39 +0100
Stefan Hajnoczi <stefanha@redhat.com> wrote:

> The virtio file system device transports Linux FUSE requests between a
> FUSE daemon running on the host and the FUSE driver inside the guest.
> 
> The actual FUSE request definitions are not duplicated in the virtio
> specification, similar to how virtio-scsi does not document SCSI
> command details.  FUSE request definitions are available here:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/fuse.h
> 
> This patch documents the core virtio file system device, which is
> functional but lacks the DAX feature introduced in the next patch.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> v7:
>  * Rename num_queues to num_request_queues [Cornelia]
>  * Clarify that endianness is chosen by the guest driver in the
>    FUSE_INIT message
> v6:
>  * Clarify that num_queues only counts request queues [Cornelia]
>  * State that only high priority requests go on the hiprio queue [Cornelia]
>  * Expand on how endianness works [Cornelia]
>  * Use "driver" and "device" instead of "guest" and "host" [Michael]
>  * Explain how setuid files and device nodes can be a security issue [Michael]
>  * Clarify that security issues with shared file systems involve multiple machines [Michael]
> ---
>  content.tex      |   1 +
>  introduction.tex |   3 +
>  virtio-fs.tex    | 225 +++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 229 insertions(+)
>  create mode 100644 virtio-fs.tex

Reviewed-by: Cornelia Huck <cohuck@redhat.com>

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