Re: [PATCH 2/2] rpc.nfsd: Allow v4.2 server support with the -V option

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On 28/07/13 14:36, Steve Dickson wrote:
> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
> ---
>  support/include/nfs/nfs.h |  4 ++++
>  utils/nfsd/nfsd.c         | 12 ++++++------
>  utils/nfsd/nfssvc.c       | 11 +++++++----
>  3 files changed, 17 insertions(+), 10 deletions(-)
Committed...

steved.

> 
> diff --git a/support/include/nfs/nfs.h b/support/include/nfs/nfs.h
> index 5fd86f6..38db5b5 100644
> --- a/support/include/nfs/nfs.h
> +++ b/support/include/nfs/nfs.h
> @@ -15,6 +15,10 @@
>  #define NFSD_MINVERS 2
>  #define NFSD_MAXVERS 4
>  
> +#define NFS4_MINMINOR 1
> +#define NFS4_MAXMINOR 2
> +#define NFS4_VERDEFAULT  0x1  /* minor verion 1 */
> +
>  struct nfs_fh_len {
>  	int		fh_size;
>  	u_int8_t	fh_handle[NFS3_FHSIZE];
> diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
> index df48392..6db92f0 100644
> --- a/utils/nfsd/nfsd.c
> +++ b/utils/nfsd/nfsd.c
> @@ -99,7 +99,7 @@ main(int argc, char **argv)
>  	char *p, *progname, *port;
>  	char *haddr = NULL;
>  	int	socket_up = 0;
> -	int minorvers41 = 0;	/* nfsv4 minor version */
> +	int minorvers = NFS4_VERDEFAULT;	/* nfsv4 minor version */
>  	unsigned int versbits = NFSCTL_VERDEFAULT;
>  	unsigned int protobits = NFSCTL_ALLBITS;
>  	unsigned int proto4 = 0;
> @@ -160,11 +160,11 @@ main(int argc, char **argv)
>  			case 4:
>  				if (*p == '.') {
>  					int i = atoi(p+1);
> -					if (i != 1) {
> +					if (i > 2) {
>  						fprintf(stderr, "%s: unsupported minor version\n", optarg);
>  						exit(1);
>  					}
> -					minorvers41 = -1;
> +					NFSCTL_VERUNSET(minorvers, i);
>  					break;
>  				}
>  			case 3:
> @@ -181,11 +181,11 @@ main(int argc, char **argv)
>  			case 4:
>  				if (*p == '.') {
>  					int i = atoi(p+1);
> -					if (i != 1) {
> +					if (i > 2) {
>  						fprintf(stderr, "%s: unsupported minor version\n", optarg);
>  						exit(1);
>  					}
> -					minorvers41 = 1;
> +					NFSCTL_VERSET(minorvers, i);
>  					break;
>  				}
>  			case 3:
> @@ -282,7 +282,7 @@ main(int argc, char **argv)
>  	 * registered with rpcbind. Note that on older kernels w/o the right
>  	 * interfaces, these are a no-op.
>  	 */
> -	nfssvc_setvers(versbits, minorvers41);
> +	nfssvc_setvers(versbits, minorvers);
>   
>  	error = nfssvc_set_sockets(AF_INET, proto4, haddr, port);
>  	if (!error)
> diff --git a/utils/nfsd/nfssvc.c b/utils/nfsd/nfssvc.c
> index 683008e..8b85846 100644
> --- a/utils/nfsd/nfssvc.c
> +++ b/utils/nfsd/nfssvc.c
> @@ -269,7 +269,7 @@ nfssvc_set_sockets(const int family, const unsigned int protobits,
>  }
>  
>  void
> -nfssvc_setvers(unsigned int ctlbits, int minorvers41)
> +nfssvc_setvers(unsigned int ctlbits, int minorvers)
>  {
>  	int fd, n, off;
>  	char *ptr;
> @@ -280,9 +280,12 @@ nfssvc_setvers(unsigned int ctlbits, int minorvers41)
>  	if (fd < 0)
>  		return;
>  
> -	if (minorvers41)
> -		off += snprintf(ptr+off, sizeof(buf) - off, "%c4.1",
> -				minorvers41 > 0 ? '+' : '-');
> +	for (n = NFS4_MINMINOR; n <= NFS4_MAXMINOR; n++) {
> +		if (NFSCTL_VERISSET(minorvers, n)) 
> +			off += snprintf(ptr+off, sizeof(buf) - off, "+4.%d ", n);
> +		else			
> +			off += snprintf(ptr+off, sizeof(buf) - off, "-4.%d ", n);
> +	}
>  	for (n = NFSD_MINVERS; n <= NFSD_MAXVERS; n++) {
>  		if (NFSCTL_VERISSET(ctlbits, n))
>  		    off += snprintf(ptr+off, sizeof(buf) - off, "+%d ", n);
> 
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