Re: [PATCH 1/2] configure.ac: Added server 4.1 support configuration option

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On 09/19/2011 02:15 PM, J. Bruce Fields wrote:
> On Mon, Sep 19, 2011 at 11:27:25AM -0400, J. Bruce Fields wrote:
>> On Mon, Sep 19, 2011 at 11:16:21AM -0400, Steve Dickson wrote:
>>>
>>>
>>> On 09/19/2011 10:35 AM, J. Bruce Fields wrote:
>>>> On Mon, Sep 19, 2011 at 10:20:38AM -0400, Steve Dickson wrote:
>>>>>
>>>>>
>>>>> On 09/19/2011 09:38 AM, J. Bruce Fields wrote:
>>>>>> diff --git a/configure.ac b/configure.ac
>>>>>> index 1a28f8a..7000324 100644
>>>>>> --- a/configure.ac
>>>>>> +++ b/configure.ac
>>>>>> @@ -73,19 +73,6 @@ AC_ARG_ENABLE(nfsv4,
>>>>>>  	AC_SUBST(enable_nfsv4)
>>>>>>  	AM_CONDITIONAL(CONFIG_NFSV4, [test "$enable_nfsv4" = "yes"])
>>>>>>  
>>>>>> -AC_ARG_ENABLE(nfsv41,
>>>>>> -	[AC_HELP_STRING([--enable-nfsv41],
>>>>>> -                        [enable support for NFSv41 @<:@default=no@:>@])],
>>>>>> -	enable_nfsv41=$enableval,
>>>>>> -	enable_nfsv41=no)
>>>>>> -	if test "$enable_nfsv41" = yes; then
>>>>>> -		AC_DEFINE(NFS41_SUPPORTED, 1, [Define this if you want NFSv41 support compiled in])
>>>>>> -	else
>>>>>> -		enable_nfsv41=
>>>>>> -	fi
>>>>>> -	AC_SUBST(enable_nfsv41)
>>>>>> -	AM_CONDITIONAL(CONFIG_NFSV41, [test "$enable_nfsv41" = "yes"])
>>>>>> -
>>>>> I think we still need this for the 4.1 client code.
>>>>
>>>> OK.  Or I can wait and resend a patch after you've committed the changes
>>>> for the client's block daemon, if you'd prefer.
>>> I'll deal with the configure code....
>>>
>>>>
>>>>>> diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
>>>>>> index e7e1470..fa9c429 100644
>>>>>> --- a/utils/nfsd/nfsd.c
>>>>>> +++ b/utils/nfsd/nfsd.c
>>>>>> @@ -40,6 +40,7 @@ static struct option longopts[] =
>>>>>>  	{ "port", 1, 0, 'p' },
>>>>>>  	{ "debug", 0, 0, 'd' },
>>>>>>  	{ "syslog", 0, 0, 's' },
>>>>>> +	{ "enable-41", 0, 0, 'X' },
>>>>>>  	{ NULL, 0, 0, 0 }
>>>>>>  };
>>>>> Introducing temporary, undocumented command line arguments
>>>>> is generally not a good thing... IMHO... I was think more
>>>>> of an echo to /proc/fs/nfsd/versions to enable the support.
>>>>
>>>> I think it's a reasonable thing to do for experimental code.
>>>>
>>>> But we could do the following instead.  (Warning: still untested.)
>>>>
>>>> --b.
>>>>
>>>> commit 8d69da4c556f8ad2d42caa3875a665761c27463e
>>>> Author: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
>>>> Date:   Thu Dec 17 17:11:54 2009 -0500
>>>>
>>>>     nfsd: allow choosing server 41 support at runtime
>>>>     
>>>>     In the case where -N 4.1 is left off the commandline, the current code
>>>>     explicitly turns it on or off anyway, depending on configure options.
>>>>     
>>>>     Instead, just leave 4.1 support alone.  This allows a user to add an
>>>>     "echo +4.1 >/proc/fs/nfsd/versions" to their init scripts, if they want.
>>>>     Otherwise they will get the kernel's default (currently to leave 4.1
>>>>     off, as long as 4.1 support is experimental).
>>> I think this is a good compromise... Could you spend a few 
>>> cycles on making sure that echo does indeed turn on 4.1 support?
>>
>> Yep, will do.
> 
> Done; that patch worked for me.  Let me know if you need it resent.
No need... Its committed... 

steved.
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