Re: [Qemu-devel] [PATCH for-2.8? 0/3] block/curl: Drop TFTP "support"

[Jeff Cody <jcody@redhat.com>]

On Wed, Nov 02, 2016 at 06:55:36PM +0100, Max Reitz wrote:
> See patch 3 for the reason why we have actually never supported TFTP at
> all (except for very small files (i.e. below 256 kB or so)).
> 
> I would consider this series a bug fix because, well, it doesn't really
> change any functionality, and the bug is "We don't support TFTP but we
> pretend we do".
> 

I tend to agree.  I'm willing to pull this in through my branch for 2.8,
unless there arises some outcry with good reason to keep tftp.

> 
> Alternatives to this approach:
> 
> - Deprecate TFTP first. Wait one version, then drop it.
> 
>   We could do this, but I personally don't think it's necessary. We have
>   done this for host_floppy, but in contrast to host_floppy, TFTP really
>   has never worked. Thus, I conclude that nobody is actually using it or
>   has ever used it for real work.
> 
>   Still, if you think otherwise, we can still do this, of course.
> 
> 
> - Don't remove TFTP altogether, but just emit a run-time error like we
>   do for HTTP servers that do not support range-based requests.
> 
>   Seems dirty and not like the real solution to me. Also, we have
>   removed other block drivers in the past, so I don't think we should
>   keep TFTP.
> 

Since it is broken by nature, I like your original approach of just removing
it.

> 
> Max Reitz (3):
>   qemu-options: Drop mentions of curl's TFTP support
>   qapi: Drop curl's TFTP protocol
>   block/curl: Drop TFTP "support"
> 
>  block/curl.c          | 20 +-------------------
>  docs/qmp-commands.txt |  2 +-
>  qapi/block-core.json  |  7 +++----
>  qemu-options.hx       |  6 +++---
>  4 files changed, 8 insertions(+), 27 deletions(-)

A > 3:1 delete to insert ratio, that is an ideal patch series ;-)