linux-kernel - Re: [PATCH 06/11] NFSD: Remove NFSv4 dependency on NFSv3

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Date:	Fri, 8 Feb 2008 16:08:42 -0500
From:	Chuck Lever <chuck.lever@...cle.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org
Subject: Re: [PATCH 06/11] NFSD: Remove NFSv4 dependency on NFSv3

On Feb 8, 2008, at 3:20 PM, Sam Ravnborg wrote:
> On Fri, Feb 08, 2008 at 12:52:08PM -0500, Chuck Lever wrote:
>> Clean up: Because NFSD_V4 "depends on" NFSD_V3, it appears as a  
>> child of
>> the NFSD_V3 menu entry, and is not visible if NFSD_V3 is unselected.
>>
>> Replace the dependency on NFSD_V3 with a "select NFSD_V3".  This  
>> makes
>> NFSD_V4 look and work just like NFS_V3, while ensuring that  
>> NFSD_V3 is
>> enabled if NFSD_V4 is.
>>
>> Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
>> ---
>>
>>  fs/Kconfig |    3 ++-
>>  1 files changed, 2 insertions(+), 1 deletions(-)
>>
>> diff --git a/fs/Kconfig b/fs/Kconfig
>> index 9ad62a9..4c16789 100644
>> --- a/fs/Kconfig
>> +++ b/fs/Kconfig
>> @@ -1723,7 +1723,8 @@ config NFSD_V3_ACL
>>
>>  config NFSD_V4
>>  	bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
>> -	depends on NFSD && NFSD_V3 && EXPERIMENTAL
>> +	depends on NFSD && EXPERIMENTAL
>> +	select NFSD_V3
>>  	select RPCSEC_GSS_KRB5
>>  	help
>>  	  This option enables support in your system's NFS server for
>
> This use of select is questionable. In general it is bad to select
> a symbol with dependencies.
> In this case the dependencies of NFSD_V3 are duplicated for NFSD_V4
> so we will not se erratic configurations but do you remember to
> update NFSD_V4 when you add a depends on NFSD_V3?
>
> But I see no other clean way to do it rithg now.

This patch is entirely optional, and I can just drop it for now.

Thanks for the review.

--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
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