Re: [PATCH 19/19] NFSDv4.2: Added NFS v4.2 support to the NFS server

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On Tue, Apr 02, 2013 at 05:46:00PM -0400, Steve Dickson wrote:
> From: Steve Dickson <steved@xxxxxxxxxx>
> 
> This enable NFSv4.2 support for the server. To enable this
> code do the following:
>   echo "+4.2" >/proc/fs/nfsd/versions

The patches are ordered strangely: labeled nFS support depends on 4.2
support, so we should be adding 4.2 support first, then labeled NFS
support on top of that.

Note a 4.1 client shouldn't see the server return the new attribute as
supported unless it's using 4.2, and attempts to set it should error
out unless it's using 4.2.

--b.

> 
> after the nfsd kernel module is loaded.
> 
> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
> ---
>  fs/nfsd/nfs4xdr.c | 1 +
>  fs/nfsd/nfsd.h    | 2 +-
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
> index 818c1ca..d40b6ac 100644
> --- a/fs/nfsd/nfs4xdr.c
> +++ b/fs/nfsd/nfs4xdr.c
> @@ -1628,6 +1628,7 @@ struct nfsd4_minorversion_ops {
>  static struct nfsd4_minorversion_ops nfsd4_minorversion[] = {
>  	[0] = { nfsd4_dec_ops, ARRAY_SIZE(nfsd4_dec_ops) },
>  	[1] = { nfsd41_dec_ops, ARRAY_SIZE(nfsd41_dec_ops) },
> +	[2] = { nfsd41_dec_ops, ARRAY_SIZE(nfsd41_dec_ops) },
>  };
>  
>  static __be32
> diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
> index 3090561..ac518e4 100644
> --- a/fs/nfsd/nfsd.h
> +++ b/fs/nfsd/nfsd.h
> @@ -24,7 +24,7 @@
>  /*
>   * nfsd version
>   */
> -#define NFSD_SUPPORTED_MINOR_VERSION	1
> +#define NFSD_SUPPORTED_MINOR_VERSION	2
>  /*
>   * Maximum blocksizes supported by daemon under various circumstances.
>   */
> -- 
> 1.8.1.4
> 
--
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