[linux-2.6-block.git] / fs / nfsd / nfs2acl.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Process version 2 NFSACL requests.
 *
 * Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
 */

#include "nfsd.h"
/* FIXME: nfsacl.h is a broken header */
#include <linux/nfsacl.h>
#include <linux/gfp.h>
#include "cache.h"
#include "xdr3.h"
#include "vfs.h"

#define NFSDDBG_FACILITY		NFSDDBG_PROC

/*
 * NULL call.
 */
static __be32
nfsacld_proc_null(struct svc_rqst *rqstp)
{
	return rpc_success;
}

/*
 * Get the Access and/or Default ACL of a file.
 */
static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
{
	struct nfsd3_getaclargs *argp = rqstp->rq_argp;
	struct nfsd3_getaclres *resp = rqstp->rq_resp;
	struct posix_acl *acl;
	struct inode *inode;
	svc_fh *fh;

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

	fh = fh_copy(&resp->fh, &argp->fh);
	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
	if (resp->status != nfs_ok)
		goto out;

	inode = d_inode(fh->fh_dentry);

	if (argp->mask & ~NFS_ACL_MASK) {
		resp->status = nfserr_inval;
		goto out;
	}
	resp->mask = argp->mask;

	resp->status = fh_getattr(fh, &resp->stat);
	if (resp->status != nfs_ok)
		goto out;

	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
		acl = get_inode_acl(inode, ACL_TYPE_ACCESS);
		if (acl == NULL) {
			/* Solaris returns the inode's minimum ACL. */
			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
		}
		if (IS_ERR(acl)) {
			resp->status = nfserrno(PTR_ERR(acl));
			goto fail;
		}
		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 = get_inode_acl(inode, ACL_TYPE_DEFAULT);
		if (IS_ERR(acl)) {
			resp->status = nfserrno(PTR_ERR(acl));
			goto fail;
		}
		resp->acl_default = acl;
	}

	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
out:
	return rpc_success;

fail:
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
	resp->acl_access = NULL;
	resp->acl_default = NULL;
	goto out;
}

/*
 * Set the Access and/or Default ACL of a file.
 */
static __be32 nfsacld_proc_setacl(struct svc_rqst *rqstp)
{
	struct nfsd3_setaclargs *argp = rqstp->rq_argp;
	struct nfsd_attrstat *resp = rqstp->rq_resp;
	struct inode *inode;
	svc_fh *fh;
	int error;

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

	fh = fh_copy(&resp->fh, &argp->fh);
	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
	if (resp->status != nfs_ok)
		goto out;

	inode = d_inode(fh->fh_dentry);

	error = fh_want_write(fh);
	if (error)
		goto out_errno;

	inode_lock(inode);

	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_ACCESS,
			      argp->acl_access);
	if (error)
		goto out_drop_lock;
	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_DEFAULT,
			      argp->acl_default);
	if (error)
		goto out_drop_lock;

	inode_unlock(inode);

	fh_drop_write(fh);

	resp->status = fh_getattr(fh, &resp->stat);

out:
	/* 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 rpc_success;

out_drop_lock:
	inode_unlock(inode);
	fh_drop_write(fh);
out_errno:
	resp->status = nfserrno(error);
	goto out;
}

/*
 * Check file attributes
 */
static __be32 nfsacld_proc_getattr(struct svc_rqst *rqstp)
{
	struct nfsd_fhandle *argp = rqstp->rq_argp;
	struct nfsd_attrstat *resp = rqstp->rq_resp;

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

	fh_copy(&resp->fh, &argp->fh);
	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
	if (resp->status != nfs_ok)
		goto out;
	resp->status = fh_getattr(&resp->fh, &resp->stat);
out:
	return rpc_success;
}

/*
 * Check file access
 */
static __be32 nfsacld_proc_access(struct svc_rqst *rqstp)
{
	struct nfsd3_accessargs *argp = rqstp->rq_argp;
	struct nfsd3_accessres *resp = rqstp->rq_resp;

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

	fh_copy(&resp->fh, &argp->fh);
	resp->access = argp->access;
	resp->status = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	if (resp->status != nfs_ok)
		goto out;
	resp->status = fh_getattr(&resp->fh, &resp->stat);
out:
	return rpc_success;
}

/*
 * XDR decode functions
 */

static bool
nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
	struct nfsd3_getaclargs *argp = rqstp->rq_argp;

	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
		return false;
	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
		return false;

	return true;
}

static bool
nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
	struct nfsd3_setaclargs *argp = rqstp->rq_argp;

	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
		return false;
	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
		return false;
	if (argp->mask & ~NFS_ACL_MASK)
		return false;
	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_ACL) ?
				   &argp->acl_access : NULL))
		return false;
	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_DFACL) ?
				   &argp->acl_default : NULL))
		return false;

	return true;
}

static bool
nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
	struct nfsd3_accessargs *args = rqstp->rq_argp;

	if (!svcxdr_decode_fhandle(xdr, &args->fh))
		return false;
	if (xdr_stream_decode_u32(xdr, &args->access) < 0)
		return false;

	return true;
}

/*
 * XDR encode functions
 */

/* GETACL */
static bool
nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
	struct nfsd3_getaclres *resp = rqstp->rq_resp;
	struct dentry *dentry = resp->fh.fh_dentry;
	struct inode *inode;

	if (!svcxdr_encode_stat(xdr, resp->status))
		return false;

	if (dentry == NULL || d_really_is_negative(dentry))
		return true;
	inode = d_inode(dentry);

	if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
		return false;
	if (xdr_stream_encode_u32(xdr, resp->mask) < 0)
		return false;

	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_access,
				   resp->mask & NFS_ACL, 0))
		return false;
	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_default,
				   resp->mask & NFS_DFACL, NFS_ACL_DEFAULT))
		return false;

	return true;
}

/* ACCESS */
static bool
nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{
	struct nfsd3_accessres *resp = rqstp->rq_resp;

	if (!svcxdr_encode_stat(xdr, resp->status))
		return false;
	switch (resp->status) {
	case nfs_ok:
		if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
			return false;
		if (xdr_stream_encode_u32(xdr, resp->access) < 0)
			return false;
		break;
	}

	return true;
}

/*
 * XDR release functions
 */
static void nfsaclsvc_release_getacl(struct svc_rqst *rqstp)
{
	struct nfsd3_getaclres *resp = rqstp->rq_resp;

	fh_put(&resp->fh);
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
}

static void nfsaclsvc_release_access(struct svc_rqst *rqstp)
{
	struct nfsd3_accessres *resp = rqstp->rq_resp;

	fh_put(&resp->fh);
}

#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 const struct svc_procedure nfsd_acl_procedures2[5] = {
	[ACLPROC2_NULL] = {
		.pc_func = nfsacld_proc_null,
		.pc_decode = nfssvc_decode_voidarg,
		.pc_encode = nfssvc_encode_voidres,
		.pc_argsize = sizeof(struct nfsd_voidargs),
		.pc_argzero = sizeof(struct nfsd_voidargs),
		.pc_ressize = sizeof(struct nfsd_voidres),
		.pc_cachetype = RC_NOCACHE,
		.pc_xdrressize = ST,
		.pc_name = "NULL",
	},
	[ACLPROC2_GETACL] = {
		.pc_func = nfsacld_proc_getacl,
		.pc_decode = nfsaclsvc_decode_getaclargs,
		.pc_encode = nfsaclsvc_encode_getaclres,
		.pc_release = nfsaclsvc_release_getacl,
		.pc_argsize = sizeof(struct nfsd3_getaclargs),
		.pc_argzero = sizeof(struct nfsd3_getaclargs),
		.pc_ressize = sizeof(struct nfsd3_getaclres),
		.pc_cachetype = RC_NOCACHE,
		.pc_xdrressize = ST+1+2*(1+ACL),
		.pc_name = "GETACL",
	},
	[ACLPROC2_SETACL] = {
		.pc_func = nfsacld_proc_setacl,
		.pc_decode = nfsaclsvc_decode_setaclargs,
		.pc_encode = nfssvc_encode_attrstatres,
		.pc_release = nfssvc_release_attrstat,
		.pc_argsize = sizeof(struct nfsd3_setaclargs),
		.pc_argzero = sizeof(struct nfsd3_setaclargs),
		.pc_ressize = sizeof(struct nfsd_attrstat),
		.pc_cachetype = RC_NOCACHE,
		.pc_xdrressize = ST+AT,
		.pc_name = "SETACL",
	},
	[ACLPROC2_GETATTR] = {
		.pc_func = nfsacld_proc_getattr,
		.pc_decode = nfssvc_decode_fhandleargs,
		.pc_encode = nfssvc_encode_attrstatres,
		.pc_release = nfssvc_release_attrstat,
		.pc_argsize = sizeof(struct nfsd_fhandle),
		.pc_argzero = sizeof(struct nfsd_fhandle),
		.pc_ressize = sizeof(struct nfsd_attrstat),
		.pc_cachetype = RC_NOCACHE,
		.pc_xdrressize = ST+AT,
		.pc_name = "GETATTR",
	},
	[ACLPROC2_ACCESS] = {
		.pc_func = nfsacld_proc_access,
		.pc_decode = nfsaclsvc_decode_accessargs,
		.pc_encode = nfsaclsvc_encode_accessres,
		.pc_release = nfsaclsvc_release_access,
		.pc_argsize = sizeof(struct nfsd3_accessargs),
		.pc_argzero = sizeof(struct nfsd3_accessargs),
		.pc_ressize = sizeof(struct nfsd3_accessres),
		.pc_cachetype = RC_NOCACHE,
		.pc_xdrressize = ST+AT+1,
		.pc_name = "SETATTR",
	},
};

static DEFINE_PER_CPU_ALIGNED(unsigned long,
			      nfsd_acl_count2[ARRAY_SIZE(nfsd_acl_procedures2)]);
const struct svc_version nfsd_acl_version2 = {
	.vs_vers	= 2,
	.vs_nproc	= ARRAY_SIZE(nfsd_acl_procedures2),
	.vs_proc	= nfsd_acl_procedures2,
	.vs_count	= nfsd_acl_count2,
	.vs_dispatch	= nfsd_dispatch,
	.vs_xdrsize	= NFS3_SVC_XDRSIZE,
};
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* Process version 2 NFSACL requests.
	4	*
	5	* Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
	6	*/
	7
	8	#include "nfsd.h"
	9	/* FIXME: nfsacl.h is a broken header */
	10	#include <linux/nfsacl.h>
	11	#include <linux/gfp.h>
	12	#include "cache.h"
	13	#include "xdr3.h"
	14	#include "vfs.h"
	15
	16	#define NFSDDBG_FACILITY NFSDDBG_PROC
	17
	18	/*
	19	* NULL call.
	20	*/
	21	static __be32
	22	nfsacld_proc_null(struct svc_rqst *rqstp)
	23	{
	24	return rpc_success;
	25	}
	26
	27	/*
	28	* Get the Access and/or Default ACL of a file.
	29	*/
	30	static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
	31	{
	32	struct nfsd3_getaclargs *argp = rqstp->rq_argp;
	33	struct nfsd3_getaclres *resp = rqstp->rq_resp;
	34	struct posix_acl *acl;
	35	struct inode *inode;
	36	svc_fh *fh;
	37
	38	dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	39
	40	fh = fh_copy(&resp->fh, &argp->fh);
	41	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
	42	if (resp->status != nfs_ok)
	43	goto out;
	44
	45	inode = d_inode(fh->fh_dentry);
	46
	47	if (argp->mask & ~NFS_ACL_MASK) {
	48	resp->status = nfserr_inval;
	49	goto out;
	50	}
	51	resp->mask = argp->mask;
	52
	53	resp->status = fh_getattr(fh, &resp->stat);
	54	if (resp->status != nfs_ok)
	55	goto out;
	56
	57	if (resp->mask & (NFS_ACL\|NFS_ACLCNT)) {
	58	acl = get_inode_acl(inode, ACL_TYPE_ACCESS);
	59	if (acl == NULL) {
	60	/* Solaris returns the inode's minimum ACL. */
	61	acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
	62	}
	63	if (IS_ERR(acl)) {
	64	resp->status = nfserrno(PTR_ERR(acl));
	65	goto fail;
	66	}
	67	resp->acl_access = acl;
	68	}
	69	if (resp->mask & (NFS_DFACL\|NFS_DFACLCNT)) {
	70	/* Check how Solaris handles requests for the Default ACL
	71	of a non-directory! */
	72	acl = get_inode_acl(inode, ACL_TYPE_DEFAULT);
	73	if (IS_ERR(acl)) {
	74	resp->status = nfserrno(PTR_ERR(acl));
	75	goto fail;
	76	}
	77	resp->acl_default = acl;
	78	}
	79
	80	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
	81	out:
	82	return rpc_success;
	83
	84	fail:
	85	posix_acl_release(resp->acl_access);
	86	posix_acl_release(resp->acl_default);
	87	resp->acl_access = NULL;
	88	resp->acl_default = NULL;
	89	goto out;
	90	}
	91
	92	/*
	93	* Set the Access and/or Default ACL of a file.
	94	*/
	95	static __be32 nfsacld_proc_setacl(struct svc_rqst *rqstp)
	96	{
	97	struct nfsd3_setaclargs *argp = rqstp->rq_argp;
	98	struct nfsd_attrstat *resp = rqstp->rq_resp;
	99	struct inode *inode;
	100	svc_fh *fh;
	101	int error;
	102
	103	dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	104
	105	fh = fh_copy(&resp->fh, &argp->fh);
	106	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
	107	if (resp->status != nfs_ok)
	108	goto out;
	109
	110	inode = d_inode(fh->fh_dentry);
	111
	112	error = fh_want_write(fh);
	113	if (error)
	114	goto out_errno;
	115
	116	inode_lock(inode);
	117
	118	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_ACCESS,
	119	argp->acl_access);
	120	if (error)
	121	goto out_drop_lock;
	122	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_DEFAULT,
	123	argp->acl_default);
	124	if (error)
	125	goto out_drop_lock;
	126
	127	inode_unlock(inode);
	128
	129	fh_drop_write(fh);
	130
	131	resp->status = fh_getattr(fh, &resp->stat);
	132
	133	out:
	134	/* argp->acl_{access,default} may have been allocated in
	135	nfssvc_decode_setaclargs. */
	136	posix_acl_release(argp->acl_access);
	137	posix_acl_release(argp->acl_default);
	138	return rpc_success;
	139
	140	out_drop_lock:
	141	inode_unlock(inode);
	142	fh_drop_write(fh);
	143	out_errno:
	144	resp->status = nfserrno(error);
	145	goto out;
	146	}
	147
	148	/*
	149	* Check file attributes
	150	*/
	151	static __be32 nfsacld_proc_getattr(struct svc_rqst *rqstp)
	152	{
	153	struct nfsd_fhandle *argp = rqstp->rq_argp;
	154	struct nfsd_attrstat *resp = rqstp->rq_resp;
	155
	156	dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
	157
	158	fh_copy(&resp->fh, &argp->fh);
	159	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
	160	if (resp->status != nfs_ok)
	161	goto out;
	162	resp->status = fh_getattr(&resp->fh, &resp->stat);
	163	out:
	164	return rpc_success;
	165	}
	166
	167	/*
	168	* Check file access
	169	*/
	170	static __be32 nfsacld_proc_access(struct svc_rqst *rqstp)
	171	{
	172	struct nfsd3_accessargs *argp = rqstp->rq_argp;
	173	struct nfsd3_accessres *resp = rqstp->rq_resp;
	174
	175	dprintk("nfsd: ACCESS(2acl) %s 0x%x\n",
	176	SVCFH_fmt(&argp->fh),
	177	argp->access);
	178
	179	fh_copy(&resp->fh, &argp->fh);
	180	resp->access = argp->access;
	181	resp->status = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	182	if (resp->status != nfs_ok)
	183	goto out;
	184	resp->status = fh_getattr(&resp->fh, &resp->stat);
	185	out:
	186	return rpc_success;
	187	}
	188
	189	/*
	190	* XDR decode functions
	191	*/
	192
	193	static bool
	194	nfsaclsvc_decode_getaclargs(struct svc_rqst rqstp, struct xdr_stream xdr)
	195	{
	196	struct nfsd3_getaclargs *argp = rqstp->rq_argp;
	197
	198	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
	199	return false;
	200	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
	201	return false;
	202
	203	return true;
	204	}
	205
	206	static bool
	207	nfsaclsvc_decode_setaclargs(struct svc_rqst rqstp, struct xdr_stream xdr)
	208	{
	209	struct nfsd3_setaclargs *argp = rqstp->rq_argp;
	210
	211	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
	212	return false;
	213	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
	214	return false;
	215	if (argp->mask & ~NFS_ACL_MASK)
	216	return false;
	217	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_ACL) ?
	218	&argp->acl_access : NULL))
	219	return false;
	220	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_DFACL) ?
	221	&argp->acl_default : NULL))
	222	return false;
	223
	224	return true;
	225	}
	226
	227	static bool
	228	nfsaclsvc_decode_accessargs(struct svc_rqst rqstp, struct xdr_stream xdr)
	229	{
	230	struct nfsd3_accessargs *args = rqstp->rq_argp;
	231
	232	if (!svcxdr_decode_fhandle(xdr, &args->fh))
	233	return false;
	234	if (xdr_stream_decode_u32(xdr, &args->access) < 0)
	235	return false;
	236
	237	return true;
	238	}
	239
	240	/*
	241	* XDR encode functions
	242	*/
	243
	244	/* GETACL */
	245	static bool
	246	nfsaclsvc_encode_getaclres(struct svc_rqst rqstp, struct xdr_stream xdr)
	247	{
	248	struct nfsd3_getaclres *resp = rqstp->rq_resp;
	249	struct dentry *dentry = resp->fh.fh_dentry;
	250	struct inode *inode;
	251
	252	if (!svcxdr_encode_stat(xdr, resp->status))
	253	return false;
	254
	255	if (dentry == NULL \|\| d_really_is_negative(dentry))
	256	return true;
	257	inode = d_inode(dentry);
	258
	259	if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
	260	return false;
	261	if (xdr_stream_encode_u32(xdr, resp->mask) < 0)
	262	return false;
	263
	264	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_access,
	265	resp->mask & NFS_ACL, 0))
	266	return false;
	267	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_default,
	268	resp->mask & NFS_DFACL, NFS_ACL_DEFAULT))
	269	return false;
	270
	271	return true;
	272	}
	273
	274	/* ACCESS */
	275	static bool
	276	nfsaclsvc_encode_accessres(struct svc_rqst rqstp, struct xdr_stream xdr)
	277	{
	278	struct nfsd3_accessres *resp = rqstp->rq_resp;
	279
	280	if (!svcxdr_encode_stat(xdr, resp->status))
	281	return false;
	282	switch (resp->status) {
	283	case nfs_ok:
	284	if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
	285	return false;
	286	if (xdr_stream_encode_u32(xdr, resp->access) < 0)
	287	return false;
	288	break;
	289	}
	290
	291	return true;
	292	}
	293
	294	/*
	295	* XDR release functions
	296	*/
	297	static void nfsaclsvc_release_getacl(struct svc_rqst *rqstp)
	298	{
	299	struct nfsd3_getaclres *resp = rqstp->rq_resp;
	300
	301	fh_put(&resp->fh);
	302	posix_acl_release(resp->acl_access);
	303	posix_acl_release(resp->acl_default);
	304	}
	305
	306	static void nfsaclsvc_release_access(struct svc_rqst *rqstp)
	307	{
	308	struct nfsd3_accessres *resp = rqstp->rq_resp;
	309
	310	fh_put(&resp->fh);
	311	}
	312
	313	#define ST 1 /* status*/
	314	#define AT 21 /* attributes */
	315	#define pAT (1+AT) /* post attributes - conditional */
	316	#define ACL (1+NFS_ACL_MAX_ENTRIES3) / Access Control List */
	317
	318	static const struct svc_procedure nfsd_acl_procedures2[5] = {
	319	[ACLPROC2_NULL] = {
	320	.pc_func = nfsacld_proc_null,
	321	.pc_decode = nfssvc_decode_voidarg,
	322	.pc_encode = nfssvc_encode_voidres,
	323	.pc_argsize = sizeof(struct nfsd_voidargs),
	324	.pc_argzero = sizeof(struct nfsd_voidargs),
	325	.pc_ressize = sizeof(struct nfsd_voidres),
	326	.pc_cachetype = RC_NOCACHE,
	327	.pc_xdrressize = ST,
	328	.pc_name = "NULL",
	329	},
	330	[ACLPROC2_GETACL] = {
	331	.pc_func = nfsacld_proc_getacl,
	332	.pc_decode = nfsaclsvc_decode_getaclargs,
	333	.pc_encode = nfsaclsvc_encode_getaclres,
	334	.pc_release = nfsaclsvc_release_getacl,
	335	.pc_argsize = sizeof(struct nfsd3_getaclargs),
	336	.pc_argzero = sizeof(struct nfsd3_getaclargs),
	337	.pc_ressize = sizeof(struct nfsd3_getaclres),
	338	.pc_cachetype = RC_NOCACHE,
	339	.pc_xdrressize = ST+1+2*(1+ACL),
	340	.pc_name = "GETACL",
	341	},
	342	[ACLPROC2_SETACL] = {
	343	.pc_func = nfsacld_proc_setacl,
	344	.pc_decode = nfsaclsvc_decode_setaclargs,
	345	.pc_encode = nfssvc_encode_attrstatres,
	346	.pc_release = nfssvc_release_attrstat,
	347	.pc_argsize = sizeof(struct nfsd3_setaclargs),
	348	.pc_argzero = sizeof(struct nfsd3_setaclargs),
	349	.pc_ressize = sizeof(struct nfsd_attrstat),
	350	.pc_cachetype = RC_NOCACHE,
	351	.pc_xdrressize = ST+AT,
	352	.pc_name = "SETACL",
	353	},
	354	[ACLPROC2_GETATTR] = {
	355	.pc_func = nfsacld_proc_getattr,
	356	.pc_decode = nfssvc_decode_fhandleargs,
	357	.pc_encode = nfssvc_encode_attrstatres,
	358	.pc_release = nfssvc_release_attrstat,
	359	.pc_argsize = sizeof(struct nfsd_fhandle),
	360	.pc_argzero = sizeof(struct nfsd_fhandle),
	361	.pc_ressize = sizeof(struct nfsd_attrstat),
	362	.pc_cachetype = RC_NOCACHE,
	363	.pc_xdrressize = ST+AT,
	364	.pc_name = "GETATTR",
	365	},
	366	[ACLPROC2_ACCESS] = {
	367	.pc_func = nfsacld_proc_access,
	368	.pc_decode = nfsaclsvc_decode_accessargs,
	369	.pc_encode = nfsaclsvc_encode_accessres,
	370	.pc_release = nfsaclsvc_release_access,
	371	.pc_argsize = sizeof(struct nfsd3_accessargs),
	372	.pc_argzero = sizeof(struct nfsd3_accessargs),
	373	.pc_ressize = sizeof(struct nfsd3_accessres),
	374	.pc_cachetype = RC_NOCACHE,
	375	.pc_xdrressize = ST+AT+1,
	376	.pc_name = "SETATTR",
	377	},
	378	};
	379
	380	static DEFINE_PER_CPU_ALIGNED(unsigned long,
	381	nfsd_acl_count2[ARRAY_SIZE(nfsd_acl_procedures2)]);
	382	const struct svc_version nfsd_acl_version2 = {
	383	.vs_vers = 2,
	384	.vs_nproc = ARRAY_SIZE(nfsd_acl_procedures2),
	385	.vs_proc = nfsd_acl_procedures2,
	386	.vs_count = nfsd_acl_count2,
	387	.vs_dispatch = nfsd_dispatch,
	388	.vs_xdrsize = NFS3_SVC_XDRSIZE,
	389	};