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


From: Jeff Cody
Subject: Re: [Qemu-devel] [PATCH for-2.8? 3/3] block/curl: Drop TFTP "support"
Date: Wed, 2 Nov 2016 14:22:34 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

On Wed, Nov 02, 2016 at 06:55:39PM +0100, Max Reitz wrote:
> Because TFTP does not support byte ranges, it was never usable with our
> curl block driver. Since apparently nobody has ever complained loudly
> enough for someone to take care of the issue until now, it seems
> reasonable to assume that nobody has ever actually used it.
> 
> Therefore, it should be safe to just drop it from curl's protocol list.
> 
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block/curl.c | 20 +-------------------
>  1 file changed, 1 insertion(+), 19 deletions(-)
> 
> diff --git a/block/curl.c b/block/curl.c
> index e5eaa7b..ba8adae 100644
> --- a/block/curl.c
> +++ b/block/curl.c
> @@ -68,8 +68,7 @@ static CURLMcode __curl_multi_socket_action(CURLM 
> *multi_handle,
>  #endif
>  
>  #define PROTOCOLS (CURLPROTO_HTTP | CURLPROTO_HTTPS | \
> -                   CURLPROTO_FTP | CURLPROTO_FTPS | \
> -                   CURLPROTO_TFTP)
> +                   CURLPROTO_FTP | CURLPROTO_FTPS)
>  
>  #define CURL_NUM_STATES 8
>  #define CURL_NUM_ACB    8
> @@ -886,29 +885,12 @@ static BlockDriver bdrv_ftps = {
>      .bdrv_attach_aio_context    = curl_attach_aio_context,
>  };
>  
> -static BlockDriver bdrv_tftp = {
> -    .format_name                = "tftp",
> -    .protocol_name              = "tftp",
> -
> -    .instance_size              = sizeof(BDRVCURLState),
> -    .bdrv_parse_filename        = curl_parse_filename,
> -    .bdrv_file_open             = curl_open,
> -    .bdrv_close                 = curl_close,
> -    .bdrv_getlength             = curl_getlength,
> -
> -    .bdrv_aio_readv             = curl_aio_readv,
> -
> -    .bdrv_detach_aio_context    = curl_detach_aio_context,
> -    .bdrv_attach_aio_context    = curl_attach_aio_context,
> -};
> -
>  static void curl_block_init(void)
>  {
>      bdrv_register(&bdrv_http);
>      bdrv_register(&bdrv_https);
>      bdrv_register(&bdrv_ftp);
>      bdrv_register(&bdrv_ftps);
> -    bdrv_register(&bdrv_tftp);
>  }
>  
>  block_init(curl_block_init);
> -- 
> 2.10.2
> 

Reviewed-by: Jeff Cody <address@hidden>



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