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SubjectRe: [Patch] sctp: remove deprecated SCTP_GET_*_OLD stuffs
Vlad Yasevich wrote:
>
> Sam Ravnborg wrote:
>> On Thu, Oct 22, 2009 at 04:53:30PM -0400, Vlad Yasevich wrote:
>>>> diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
>>>> index be2334a..0991f1b 100644
>>>> --- a/include/net/sctp/user.h
>>>> +++ b/include/net/sctp/user.h
>>>> @@ -131,14 +131,6 @@ enum sctp_optname {
>>>> #define SCTP_SOCKOPT_BINDX_REM SCTP_SOCKOPT_BINDX_REM
>>>> SCTP_SOCKOPT_PEELOFF, /* peel off association. */
>>>> #define SCTP_SOCKOPT_PEELOFF SCTP_SOCKOPT_PEELOFF
>>>> - SCTP_GET_PEER_ADDRS_NUM_OLD, /* Get number of peer addresss. */
>>>> -#define SCTP_GET_PEER_ADDRS_NUM_OLD SCTP_GET_PEER_ADDRS_NUM_OLD
>>>> - SCTP_GET_PEER_ADDRS_OLD, /* Get all peer addresss. */
>>>> -#define SCTP_GET_PEER_ADDRS_OLD SCTP_GET_PEER_ADDRS_OLD
>>>> - SCTP_GET_LOCAL_ADDRS_NUM_OLD, /* Get number of local addresss. */
>>>> -#define SCTP_GET_LOCAL_ADDRS_NUM_OLD SCTP_GET_LOCAL_ADDRS_NUM_OLD
>>>> - SCTP_GET_LOCAL_ADDRS_OLD, /* Get all local addresss. */
>>>> -#define SCTP_GET_LOCAL_ADDRS_OLD SCTP_GET_LOCAL_ADDRS_OLD
>>>> SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX old requests. */
>>> After running the regression suite against this patch I find that we can't
>>> remove the enum values. Removing the enums changes the value for the remainder
>>> of the definitions and breaks binary compatibility for applications that use
>>> those trailing options.
>>>
>>> You should be ok with removing the #defines and actual code that uses them,
>>> but not the enums. You can even rename the enums, but we must preserve
>>> numeric ordering.
>> If we really depend on the actual value of an enum as in this case,
>> then e should assign them direct to better document this.
>>
>> Sam
>>
>
> I agree. I have a patch that converts the enum to just a #define section that
> I'll apply on top of this removal patch and document the deletion.

Hi, Vlad.

I was busy, sorry for joining late. Thanks for doing this!



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