Re: [PATCH] fuse: reserve byteswapped init opcodes

[Stefan Hajnoczi]

On Wed, Sep 04, 2019 at 08:36:33AM -0400, Michael S. Tsirkin wrote:
> virtio fs tunnels fuse over a virtio channel.  One issue is two sides
> might be speaking different endian-ness. To detects this,
> host side looks at the opcode value in the FUSE_INIT command.
> Works fine at the moment but might fail if a future version
> of fuse will use such an opcode for initialization.
> Let's reserve this opcode so we remember and don't do this.
> 
> Same for CUSE_INIT.
> 
> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> ---
>  include/uapi/linux/fuse.h | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>

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