[linux.git] / fs / nfsd / nfs2acl.c

/*
 * linux/fs/nfsd/nfsacl.c
 *
 * Process version 2 NFSACL requests.
 *
 * Copyright (C) 2002-2003 Andreas Gruenbacher <[email protected]>
 */

#include <linux/sunrpc/svc.h>
#include <linux/nfs.h>
#include <linux/nfsd/nfsd.h>
#include <linux/nfsd/cache.h>
#include <linux/nfsd/xdr.h>
#include <linux/nfsd/xdr3.h>
#include <linux/posix_acl.h>
#include <linux/nfsacl.h>

#define NFSDDBG_FACILITY		NFSDDBG_PROC
#define RETURN_STATUS(st)	{ resp->status = (st); return (st); }

/*
 * NULL call.
 */
static int
nfsacld_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
{
	return nfs_ok;
}

/*
 * Get the Access and/or Default ACL of a file.
 */
static int nfsacld_proc_getacl(struct svc_rqst * rqstp,
		struct nfsd3_getaclargs *argp, struct nfsd3_getaclres *resp)
{
	svc_fh *fh;
	struct posix_acl *acl;
	int nfserr = 0;

	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));

	fh = fh_copy(&resp->fh, &argp->fh);
	if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
		RETURN_STATUS(nfserr_inval);

	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
		RETURN_STATUS(nfserr_inval);
	resp->mask = argp->mask;

	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
		acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
		if (IS_ERR(acl)) {
			int err = PTR_ERR(acl);

			if (err == -ENODATA || err == -EOPNOTSUPP)
				acl = NULL;
			else {
				nfserr = nfserrno(err);
				goto fail;
			}
		}
		if (acl == NULL) {
			/* Solaris returns the inode's minimum ACL. */

			struct inode *inode = fh->fh_dentry->d_inode;
			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
		}
		resp->acl_access = acl;
	}
	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
		/* Check how Solaris handles requests for the Default ACL
		   of a non-directory! */

		acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
		if (IS_ERR(acl)) {
			int err = PTR_ERR(acl);

			if (err == -ENODATA || err == -EOPNOTSUPP)
				acl = NULL;
			else {
				nfserr = nfserrno(err);
				goto fail;
			}
		}
		resp->acl_default = acl;
	}

	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
	RETURN_STATUS(0);

fail:
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
	RETURN_STATUS(nfserr);
}

/*
 * Set the Access and/or Default ACL of a file.
 */
static int nfsacld_proc_setacl(struct svc_rqst * rqstp,
		struct nfsd3_setaclargs *argp,
		struct nfsd_attrstat *resp)
{
	svc_fh *fh;
	int nfserr = 0;

	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));

	fh = fh_copy(&resp->fh, &argp->fh);
	nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_SATTR);

	if (!nfserr) {
		nfserr = nfserrno( nfsd_set_posix_acl(
			fh, ACL_TYPE_ACCESS, argp->acl_access) );
	}
	if (!nfserr) {
		nfserr = nfserrno( nfsd_set_posix_acl(
			fh, ACL_TYPE_DEFAULT, argp->acl_default) );
	}

	/* argp->acl_{access,default} may have been allocated in
	   nfssvc_decode_setaclargs. */
	posix_acl_release(argp->acl_access);
	posix_acl_release(argp->acl_default);
	return nfserr;
}

/*
 * Check file attributes
 */
static int nfsacld_proc_getattr(struct svc_rqst * rqstp,
		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
{
	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));

	fh_copy(&resp->fh, &argp->fh);
	return fh_verify(rqstp, &resp->fh, 0, MAY_NOP);
}

/*
 * Check file access
 */
static int nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
		struct nfsd3_accessres *resp)
{
	int nfserr;

	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
			SVCFH_fmt(&argp->fh),
			argp->access);

	fh_copy(&resp->fh, &argp->fh);
	resp->access = argp->access;
	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	return nfserr;
}

/*
 * XDR decode functions
 */
static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_getaclargs *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->mask = ntohl(*p); p++;

	return xdr_argsize_check(rqstp, p);
}


static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_setaclargs *argp)
{
	struct kvec *head = rqstp->rq_arg.head;
	unsigned int base;
	int n;

	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->mask = ntohl(*p++);
	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
	    !xdr_argsize_check(rqstp, p))
		return 0;

	base = (char *)p - (char *)head->iov_base;
	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
			  (argp->mask & NFS_ACL) ?
			  &argp->acl_access : NULL);
	if (n > 0)
		n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
				  (argp->mask & NFS_DFACL) ?
				  &argp->acl_default : NULL);
	return (n > 0);
}

static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, u32 *p,
		struct nfsd_fhandle *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	return xdr_argsize_check(rqstp, p);
}

static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_accessargs *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->access = ntohl(*p++);

	return xdr_argsize_check(rqstp, p);
}

/*
 * XDR encode functions
 */

/* GETACL */
static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_getaclres *resp)
{
	struct dentry *dentry = resp->fh.fh_dentry;
	struct inode *inode = dentry->d_inode;
	int w = nfsacl_size(
		(resp->mask & NFS_ACL)   ? resp->acl_access  : NULL,
		(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
	struct kvec *head = rqstp->rq_res.head;
	unsigned int base;
	int n;

	if (dentry == NULL || dentry->d_inode == NULL)
		return 0;
	inode = dentry->d_inode;

	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	*p++ = htonl(resp->mask);
	if (!xdr_ressize_check(rqstp, p))
		return 0;
	base = (char *)p - (char *)head->iov_base;

	rqstp->rq_res.page_len = w;
	while (w > 0) {
		if (!svc_take_res_page(rqstp))
			return 0;
		w -= PAGE_SIZE;
	}

	n = nfsacl_encode(&rqstp->rq_res, base, inode,
			  resp->acl_access,
			  resp->mask & NFS_ACL, 0);
	if (n > 0)
		n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
				  resp->acl_default,
				  resp->mask & NFS_DFACL,
				  NFS_ACL_DEFAULT);
	if (n <= 0)
		return 0;
	return 1;
}

static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, u32 *p,
		struct nfsd_attrstat *resp)
{
	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	return xdr_ressize_check(rqstp, p);
}

/* ACCESS */
static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_accessres *resp)
{
	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	*p++ = htonl(resp->access);
	return xdr_ressize_check(rqstp, p);
}

/*
 * XDR release functions
 */
static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, u32 *p,
		struct nfsd3_getaclres *resp)
{
	fh_put(&resp->fh);
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
	return 1;
}

static int nfsaclsvc_release_fhandle(struct svc_rqst *rqstp, u32 *p,
		struct nfsd_fhandle *resp)
{
	fh_put(&resp->fh);
	return 1;
}

#define nfsaclsvc_decode_voidargs	NULL
#define nfsaclsvc_encode_voidres	NULL
#define nfsaclsvc_release_void		NULL
#define nfsd3_fhandleargs	nfsd_fhandle
#define nfsd3_attrstatres	nfsd_attrstat
#define nfsd3_voidres		nfsd3_voidargs
struct nfsd3_voidargs { int dummy; };

#define PROC(name, argt, rest, relt, cache, respsize)	\
 { (svc_procfunc) nfsacld_proc_##name,		\
   (kxdrproc_t) nfsaclsvc_decode_##argt##args,	\
   (kxdrproc_t) nfsaclsvc_encode_##rest##res,	\
   (kxdrproc_t) nfsaclsvc_release_##relt,		\
   sizeof(struct nfsd3_##argt##args),		\
   sizeof(struct nfsd3_##rest##res),		\
   0,						\
   cache,					\
   respsize,					\
 }

#define ST 1		/* status*/
#define AT 21		/* attributes */
#define pAT (1+AT)	/* post attributes - conditional */
#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */

static struct svc_procedure		nfsd_acl_procedures2[] = {
  PROC(null,	void,		void,		void,	  RC_NOCACHE, ST),
  PROC(getacl,	getacl,		getacl,		getacl,	  RC_NOCACHE, ST+1+2*(1+ACL)),
  PROC(setacl,	setacl,		attrstat,	fhandle,  RC_NOCACHE, ST+AT),
  PROC(getattr, fhandle,	attrstat,	fhandle,  RC_NOCACHE, ST+AT),
  PROC(access,	access,		access,		fhandle,  RC_NOCACHE, ST+AT+1),
};

struct svc_version	nfsd_acl_version2 = {
		.vs_vers	= 2,
		.vs_nproc	= 5,
		.vs_proc	= nfsd_acl_procedures2,
		.vs_dispatch	= nfsd_dispatch,
		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
};
Commit	Line	Data
a257cdd0 AG	1	/*
	2	* linux/fs/nfsd/nfsacl.c
	3	*
	4	* Process version 2 NFSACL requests.
	5	*
	6	* Copyright (C) 2002-2003 Andreas Gruenbacher <[email protected]>
	7	*/
	8
	9	#include <linux/sunrpc/svc.h>
	10	#include <linux/nfs.h>
	11	#include <linux/nfsd/nfsd.h>
	12	#include <linux/nfsd/cache.h>
	13	#include <linux/nfsd/xdr.h>
	14	#include <linux/nfsd/xdr3.h>
	15	#include <linux/posix_acl.h>
	16	#include <linux/nfsacl.h>
	17
	18	#define NFSDDBG_FACILITY NFSDDBG_PROC
	19	#define RETURN_STATUS(st) { resp->status = (st); return (st); }
	20
	21	/*
	22	* NULL call.
	23	*/
	24	static int
	25	nfsacld_proc_null(struct svc_rqst rqstp, void argp, void *resp)
	26	{
	27	return nfs_ok;
	28	}
	29
	30	/*
	31	* Get the Access and/or Default ACL of a file.
	32	*/
	33	static int nfsacld_proc_getacl(struct svc_rqst * rqstp,
	34	struct nfsd3_getaclargs argp, struct nfsd3_getaclres resp)
	35	{
	36	svc_fh *fh;
	37	struct posix_acl *acl;
	38	int nfserr = 0;
	39
	40	dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	41
	42	fh = fh_copy(&resp->fh, &argp->fh);
	43	if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
	44	RETURN_STATUS(nfserr_inval);
	45
	46	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT))
	47	RETURN_STATUS(nfserr_inval);
	48	resp->mask = argp->mask;
	49
	50	if (resp->mask & (NFS_ACL\|NFS_ACLCNT)) {
	51	acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
	52	if (IS_ERR(acl)) {
	53	int err = PTR_ERR(acl);
	54
	55	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
	56	acl = NULL;
	57	else {
	58	nfserr = nfserrno(err);
	59	goto fail;
	60	}
	61	}
	62	if (acl == NULL) {
	63	/* Solaris returns the inode's minimum ACL. */
	64
65	struct inode *inode = fh->fh_dentry->d_inode;
66	acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
67	}
68	resp->acl_access = acl;
69	}
70	if (resp->mask & (NFS_DFACL\|NFS_DFACLCNT)) {
71	/* Check how Solaris handles requests for the Default ACL
72	of a non-directory! */
73
74	acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
75	if (IS_ERR(acl)) {
76	int err = PTR_ERR(acl);
77
78	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
79	acl = NULL;
80	else {
81	nfserr = nfserrno(err);
82	goto fail;
83	}
84	}
85	resp->acl_default = acl;
86	}
87
88	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
89	RETURN_STATUS(0);
90
91	fail:
92	posix_acl_release(resp->acl_access);
93	posix_acl_release(resp->acl_default);
94	RETURN_STATUS(nfserr);
95	}
96
97	/*
98	* Set the Access and/or Default ACL of a file.
99	*/
100	static int nfsacld_proc_setacl(struct svc_rqst * rqstp,
101	struct nfsd3_setaclargs *argp,
102	struct nfsd_attrstat *resp)
103	{
104	svc_fh *fh;
105	int nfserr = 0;
106
107	dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
108
109	fh = fh_copy(&resp->fh, &argp->fh);
b7964c3d	110	nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_SATTR);
a257cdd0 AG	111
	112	if (!nfserr) {
	113	nfserr = nfserrno( nfsd_set_posix_acl(
	114	fh, ACL_TYPE_ACCESS, argp->acl_access) );
	115	}
	116	if (!nfserr) {
	117	nfserr = nfserrno( nfsd_set_posix_acl(
	118	fh, ACL_TYPE_DEFAULT, argp->acl_default) );
	119	}
	120
	121	/* argp->acl_{access,default} may have been allocated in
	122	nfssvc_decode_setaclargs. */
	123	posix_acl_release(argp->acl_access);
	124	posix_acl_release(argp->acl_default);
	125	return nfserr;
	126	}
	127
	128	/*
	129	* Check file attributes
	130	*/
	131	static int nfsacld_proc_getattr(struct svc_rqst * rqstp,
	132	struct nfsd_fhandle argp, struct nfsd_attrstat resp)
	133	{
	134	dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
	135
	136	fh_copy(&resp->fh, &argp->fh);
	137	return fh_verify(rqstp, &resp->fh, 0, MAY_NOP);
	138	}
	139
	140	/*
	141	* Check file access
	142	*/
	143	static int nfsacld_proc_access(struct svc_rqst rqstp, struct nfsd3_accessargs argp,
	144	struct nfsd3_accessres *resp)
	145	{
	146	int nfserr;
	147
	148	dprintk("nfsd: ACCESS(2acl) %s 0x%x\n",
	149	SVCFH_fmt(&argp->fh),
	150	argp->access);
	151
	152	fh_copy(&resp->fh, &argp->fh);
	153	resp->access = argp->access;
	154	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	155	return nfserr;
	156	}
	157
	158	/*
	159	* XDR decode functions
	160	*/
	161	static int nfsaclsvc_decode_getaclargs(struct svc_rqst rqstp, u32 p,
	162	struct nfsd3_getaclargs *argp)
	163	{
	164	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	165	return 0;
	166	argp->mask = ntohl(*p); p++;
	167
	168	return xdr_argsize_check(rqstp, p);
	169	}
	170
	171
	172	static int nfsaclsvc_decode_setaclargs(struct svc_rqst rqstp, u32 p,
	173	struct nfsd3_setaclargs *argp)
	174	{
175	struct kvec *head = rqstp->rq_arg.head;
176	unsigned int base;
177	int n;
178
179	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
180	return 0;
181	argp->mask = ntohl(*p++);
182	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT) \|\|
183	!xdr_argsize_check(rqstp, p))
184	return 0;
185
186	base = (char )p - (char )head->iov_base;
187	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
188	(argp->mask & NFS_ACL) ?
189	&argp->acl_access : NULL);
190	if (n > 0)
191	n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
192	(argp->mask & NFS_DFACL) ?
193	&argp->acl_default : NULL);
194	return (n > 0);
195	}
196
197	static int nfsaclsvc_decode_fhandleargs(struct svc_rqst rqstp, u32 p,
198	struct nfsd_fhandle *argp)
199	{
200	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
201	return 0;
202	return xdr_argsize_check(rqstp, p);
203	}
204
205	static int nfsaclsvc_decode_accessargs(struct svc_rqst rqstp, u32 p,
206	struct nfsd3_accessargs *argp)
207	{
208	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
209	return 0;
210	argp->access = ntohl(*p++);
211
212	return xdr_argsize_check(rqstp, p);
213	}
214
215	/*
216	* XDR encode functions
217	*/
218
219	/* GETACL */
220	static int nfsaclsvc_encode_getaclres(struct svc_rqst rqstp, u32 p,
221	struct nfsd3_getaclres *resp)
222	{
223	struct dentry *dentry = resp->fh.fh_dentry;
224	struct inode *inode = dentry->d_inode;
225	int w = nfsacl_size(
226	(resp->mask & NFS_ACL) ? resp->acl_access : NULL,
227	(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
228	struct kvec *head = rqstp->rq_res.head;
229	unsigned int base;
230	int n;
231
232	if (dentry == NULL \|\| dentry->d_inode == NULL)
233	return 0;
234	inode = dentry->d_inode;
235
236	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
237	*p++ = htonl(resp->mask);
238	if (!xdr_ressize_check(rqstp, p))
239	return 0;
240	base = (char )p - (char )head->iov_base;
241
242	rqstp->rq_res.page_len = w;
243	while (w > 0) {
244	if (!svc_take_res_page(rqstp))
245	return 0;
246	w -= PAGE_SIZE;
247	}
248
249	n = nfsacl_encode(&rqstp->rq_res, base, inode,
250	resp->acl_access,
251	resp->mask & NFS_ACL, 0);
252	if (n > 0)
253	n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
254	resp->acl_default,
255	resp->mask & NFS_DFACL,
256	NFS_ACL_DEFAULT);
257	if (n <= 0)
258	return 0;
259	return 1;
260	}
261
262	static int nfsaclsvc_encode_attrstatres(struct svc_rqst rqstp, u32 p,
263	struct nfsd_attrstat *resp)
264	{
265	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
266	return xdr_ressize_check(rqstp, p);
267	}
268
269	/* ACCESS */
270	static int nfsaclsvc_encode_accessres(struct svc_rqst rqstp, u32 p,
271	struct nfsd3_accessres *resp)
272	{
273	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
274	*p++ = htonl(resp->access);
275	return xdr_ressize_check(rqstp, p);
276	}
277
278	/*
279	* XDR release functions
280	*/
281	static int nfsaclsvc_release_getacl(struct svc_rqst rqstp, u32 p,
282	struct nfsd3_getaclres *resp)
283	{
284	fh_put(&resp->fh);
285	posix_acl_release(resp->acl_access);
286	posix_acl_release(resp->acl_default);
287	return 1;
288	}
289
290	static int nfsaclsvc_release_fhandle(struct svc_rqst rqstp, u32 p,
291	struct nfsd_fhandle *resp)
292	{
293	fh_put(&resp->fh);
294	return 1;
295	}
296
297	#define nfsaclsvc_decode_voidargs NULL
298	#define nfsaclsvc_encode_voidres NULL
299	#define nfsaclsvc_release_void NULL
300	#define nfsd3_fhandleargs nfsd_fhandle
301	#define nfsd3_attrstatres nfsd_attrstat
302	#define nfsd3_voidres nfsd3_voidargs
303	struct nfsd3_voidargs { int dummy; };
304
305	#define PROC(name, argt, rest, relt, cache, respsize) \
306	{ (svc_procfunc) nfsacld_proc_##name, \
307	(kxdrproc_t) nfsaclsvc_decode_##argt##args, \
308	(kxdrproc_t) nfsaclsvc_encode_##rest##res, \
309	(kxdrproc_t) nfsaclsvc_release_##relt, \
310	sizeof(struct nfsd3_##argt##args), \
311	sizeof(struct nfsd3_##rest##res), \
312	0, \
313	cache, \
314	respsize, \
315	}
316
317	#define ST 1 /* status*/
318	#define AT 21 /* attributes */
319	#define pAT (1+AT) /* post attributes - conditional */
320	#define ACL (1+NFS_ACL_MAX_ENTRIES3) / Access Control List */
321
322	static struct svc_procedure nfsd_acl_procedures2[] = {
323	PROC(null, void, void, void, RC_NOCACHE, ST),
324	PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
325	PROC(setacl, setacl, attrstat, fhandle, RC_NOCACHE, ST+AT),
326	PROC(getattr, fhandle, attrstat, fhandle, RC_NOCACHE, ST+AT),
327	PROC(access, access, access, fhandle, RC_NOCACHE, ST+AT+1),
328	};
329
330	struct svc_version nfsd_acl_version2 = {
331	.vs_vers = 2,
332	.vs_nproc = 5,
333	.vs_proc = nfsd_acl_procedures2,
334	.vs_dispatch = nfsd_dispatch,
335	.vs_xdrsize = NFS3_SVC_XDRSIZE,
336	};