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

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On Tue, Sep 20, 2011 at 07:43:42AM -0400, Steve Dickson wrote:
> 
> 
> 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... 

Thanks!--b.
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