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499ff710b2
kernel_optimize_test/fs/nfs/nfs3xdr.c
Chuck Lever 499ff710b2 NFS: Remove unused old NFSv3 encoder functions 
Clean up.  Remove unused legacy argument encoder functions, and any
now unused encoder helper functions.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-12-16 12:37:22 -05:00

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/*
* linux/fs/nfs/nfs3xdr.c
*
* XDR functions to encode/decode NFSv3 RPC arguments and results.
*
* Copyright (C) 1996, 1997 Olaf Kirch
*/
#include <linux/param.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
#include <linux/pagemap.h>
#include <linux/proc_fs.h>
#include <linux/kdev_t.h>
#include <linux/sunrpc/clnt.h>
#include <linux/nfs.h>
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include <linux/nfsacl.h>
#include "internal.h"
#define NFSDBG_FACILITY NFSDBG_XDR
/* Mapping from NFS error code to "errno" error code. */
#define errno_NFSERR_IO EIO
/*
* Declare the space requirements for NFS arguments and replies as
* number of 32bit-words
*/
#define NFS3_fhandle_sz (1+16)
#define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */
#define NFS3_sattr_sz (15)
#define NFS3_filename_sz (1+(NFS3_MAXNAMLEN>>2))
#define NFS3_path_sz (1+(NFS3_MAXPATHLEN>>2))
#define NFS3_fattr_sz (21)
#define NFS3_cookieverf_sz (NFS3_COOKIEVERFSIZE>>2)
#define NFS3_wcc_attr_sz (6)
#define NFS3_pre_op_attr_sz (1+NFS3_wcc_attr_sz)
#define NFS3_post_op_attr_sz (1+NFS3_fattr_sz)
#define NFS3_wcc_data_sz (NFS3_pre_op_attr_sz+NFS3_post_op_attr_sz)
#define NFS3_fsstat_sz
#define NFS3_fsinfo_sz
#define NFS3_pathconf_sz
#define NFS3_entry_sz (NFS3_filename_sz+3)
#define NFS3_diropargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_getattrargs_sz (NFS3_fh_sz)
#define NFS3_setattrargs_sz (NFS3_fh_sz+NFS3_sattr_sz+3)
#define NFS3_lookupargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_accessargs_sz (NFS3_fh_sz+1)
#define NFS3_readlinkargs_sz (NFS3_fh_sz)
#define NFS3_readargs_sz (NFS3_fh_sz+3)
#define NFS3_writeargs_sz (NFS3_fh_sz+5)
#define NFS3_createargs_sz (NFS3_diropargs_sz+NFS3_sattr_sz)
#define NFS3_mkdirargs_sz (NFS3_diropargs_sz+NFS3_sattr_sz)
#define NFS3_symlinkargs_sz (NFS3_diropargs_sz+1+NFS3_sattr_sz)
#define NFS3_mknodargs_sz (NFS3_diropargs_sz+2+NFS3_sattr_sz)
#define NFS3_removeargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_renameargs_sz (NFS3_diropargs_sz+NFS3_diropargs_sz)
#define NFS3_linkargs_sz (NFS3_fh_sz+NFS3_diropargs_sz)
#define NFS3_readdirargs_sz (NFS3_fh_sz+NFS3_cookieverf_sz+3)
#define NFS3_readdirplusargs_sz (NFS3_fh_sz+NFS3_cookieverf_sz+4)
#define NFS3_commitargs_sz (NFS3_fh_sz+3)
#define NFS3_attrstat_sz (1+NFS3_fattr_sz)
#define NFS3_wccstat_sz (1+NFS3_wcc_data_sz)
#define NFS3_removeres_sz (NFS3_wccstat_sz)
#define NFS3_lookupres_sz (1+NFS3_fh_sz+(2 * NFS3_post_op_attr_sz))
#define NFS3_accessres_sz (1+NFS3_post_op_attr_sz+1)
#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1)
#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3)
#define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4)
#define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz))
#define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2)
#define NFS3_fsstatres_sz (1+NFS3_post_op_attr_sz+13)
#define NFS3_fsinfores_sz (1+NFS3_post_op_attr_sz+12)
#define NFS3_pathconfres_sz (1+NFS3_post_op_attr_sz+6)
#define NFS3_commitres_sz (1+NFS3_wcc_data_sz+2)
#define ACL3_getaclargs_sz (NFS3_fh_sz+1)
#define ACL3_setaclargs_sz (NFS3_fh_sz+1+ \
XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
#define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+ \
XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz)
/*
* Map file type to S_IFMT bits
*/
static const umode_t nfs_type2fmt[] = {
[NF3BAD] = 0,
[NF3REG] = S_IFREG,
[NF3DIR] = S_IFDIR,
[NF3BLK] = S_IFBLK,
[NF3CHR] = S_IFCHR,
[NF3LNK] = S_IFLNK,
[NF3SOCK] = S_IFSOCK,
[NF3FIFO] = S_IFIFO,
};
static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
{
dprintk("nfs: %s: prematurely hit end of receive buffer. "
"Remaining buffer length is %tu words.\n",
func, xdr->end - xdr->p);
}
/*
* While encoding arguments, set up the reply buffer in advance to
* receive reply data directly into the page cache.
*/
static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages,
unsigned int base, unsigned int len,
unsigned int bufsize)
{
struct rpc_auth *auth = req->rq_cred->cr_auth;
unsigned int replen;
replen = RPC_REPHDRSIZE + auth->au_rslack + bufsize;
xdr_inline_pages(&req->rq_rcv_buf, replen << 2, pages, base, len);
}
/*
* Common NFS XDR functions as inlines
*/
static inline __be32 *
xdr_decode_fhandle(__be32 *p, struct nfs_fh *fh)
{
if ((fh->size = ntohl(*p++)) <= NFS3_FHSIZE) {
memcpy(fh->data, p, fh->size);
return p + XDR_QUADLEN(fh->size);
}
return NULL;
}
static inline __be32 *
xdr_decode_fhandle_stream(struct xdr_stream *xdr, struct nfs_fh *fh)
{
__be32 *p;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
fh->size = ntohl(*p++);
if (fh->size <= NFS3_FHSIZE) {
p = xdr_inline_decode(xdr, fh->size);
if (unlikely(!p))
goto out_overflow;
memcpy(fh->data, p, fh->size);
return p + XDR_QUADLEN(fh->size);
}
return NULL;
out_overflow:
print_overflow_msg(__func__, xdr);
return ERR_PTR(-EIO);
}
/*
* Encode/decode time.
*/
static inline __be32 *
xdr_encode_time3(__be32 *p, const struct timespec *timep)
{
*p++ = htonl(timep->tv_sec);
*p++ = htonl(timep->tv_nsec);
return p;
}
static inline __be32 *
xdr_decode_time3(__be32 *p, struct timespec *timep)
{
timep->tv_sec = ntohl(*p++);
timep->tv_nsec = ntohl(*p++);
return p;
}
static __be32 *
xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
{
unsigned int type, major, minor;
umode_t fmode;
type = ntohl(*p++);
if (type > NF3FIFO)
type = NF3NON;
fmode = nfs_type2fmt[type];
fattr->mode = (ntohl(*p++) & ~S_IFMT) | fmode;
fattr->nlink = ntohl(*p++);
fattr->uid = ntohl(*p++);
fattr->gid = ntohl(*p++);
p = xdr_decode_hyper(p, &fattr->size);
p = xdr_decode_hyper(p, &fattr->du.nfs3.used);
/* Turn remote device info into Linux-specific dev_t */
major = ntohl(*p++);
minor = ntohl(*p++);
fattr->rdev = MKDEV(major, minor);
if (MAJOR(fattr->rdev) != major || MINOR(fattr->rdev) != minor)
fattr->rdev = 0;
p = xdr_decode_hyper(p, &fattr->fsid.major);
fattr->fsid.minor = 0;
p = xdr_decode_hyper(p, &fattr->fileid);
p = xdr_decode_time3(p, &fattr->atime);
p = xdr_decode_time3(p, &fattr->mtime);
p = xdr_decode_time3(p, &fattr->ctime);
/* Update the mode bits */
fattr->valid |= NFS_ATTR_FATTR_V3;
return p;
}
static inline __be32 *
xdr_encode_sattr(__be32 *p, const struct iattr *attr)
{
if (attr->ia_valid & ATTR_MODE) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_mode & S_IALLUGO);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_UID) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_uid);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_GID) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_gid);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_SIZE) {
*p++ = xdr_one;
p = xdr_encode_hyper(p, (__u64) attr->ia_size);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_ATIME_SET) {
*p++ = xdr_two;
p = xdr_encode_time3(p, &attr->ia_atime);
} else if (attr->ia_valid & ATTR_ATIME) {
*p++ = xdr_one;
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_MTIME_SET) {
*p++ = xdr_two;
p = xdr_encode_time3(p, &attr->ia_mtime);
} else if (attr->ia_valid & ATTR_MTIME) {
*p++ = xdr_one;
} else {
*p++ = xdr_zero;
}
return p;
}
static inline __be32 *
xdr_decode_wcc_attr(__be32 *p, struct nfs_fattr *fattr)
{
p = xdr_decode_hyper(p, &fattr->pre_size);
p = xdr_decode_time3(p, &fattr->pre_mtime);
p = xdr_decode_time3(p, &fattr->pre_ctime);
fattr->valid |= NFS_ATTR_FATTR_PRESIZE
| NFS_ATTR_FATTR_PREMTIME
| NFS_ATTR_FATTR_PRECTIME;
return p;
}
static inline __be32 *
xdr_decode_post_op_attr(__be32 *p, struct nfs_fattr *fattr)
{
if (*p++)
p = xdr_decode_fattr(p, fattr);
return p;
}
static inline __be32 *
xdr_decode_post_op_attr_stream(struct xdr_stream *xdr, struct nfs_fattr *fattr)
{
__be32 *p;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
if (ntohl(*p++)) {
p = xdr_inline_decode(xdr, 84);
if (unlikely(!p))
goto out_overflow;
p = xdr_decode_fattr(p, fattr);
}
return p;
out_overflow:
print_overflow_msg(__func__, xdr);
return ERR_PTR(-EIO);
}
static inline __be32 *
xdr_decode_pre_op_attr(__be32 *p, struct nfs_fattr *fattr)
{
if (*p++)
return xdr_decode_wcc_attr(p, fattr);
return p;
}
static inline __be32 *
xdr_decode_wcc_data(__be32 *p, struct nfs_fattr *fattr)
{
p = xdr_decode_pre_op_attr(p, fattr);
return xdr_decode_post_op_attr(p, fattr);
}
/*
* Encode/decode NFSv3 basic data types
*
* Basic NFSv3 data types are defined in section 2.5 of RFC 1813:
* "NFS Version 3 Protocol Specification".
*
* Not all basic data types have their own encoding and decoding
* functions. For run-time efficiency, some data types are encoded
* or decoded inline.
*/
static void encode_uint32(struct xdr_stream *xdr, u32 value)
{
__be32 *p = xdr_reserve_space(xdr, 4);
*p = cpu_to_be32(value);
}
/*
* filename3
*
* typedef string filename3<>;
*/
static void encode_filename3(struct xdr_stream *xdr,
const char *name, u32 length)
{
__be32 *p;
BUG_ON(length > NFS3_MAXNAMLEN);
p = xdr_reserve_space(xdr, 4 + length);
xdr_encode_opaque(p, name, length);
}
/*
* nfspath3
*
* typedef string nfspath3<>;
*/
static void encode_nfspath3(struct xdr_stream *xdr, struct page **pages,
const u32 length)
{
BUG_ON(length > NFS3_MAXPATHLEN);
encode_uint32(xdr, length);
xdr_write_pages(xdr, pages, 0, length);
}
/*
* cookie3
*
* typedef uint64 cookie3
*/
static __be32 *xdr_encode_cookie3(__be32 *p, u64 cookie)
{
return xdr_encode_hyper(p, cookie);
}
/*
* cookieverf3
*
* typedef opaque cookieverf3[NFS3_COOKIEVERFSIZE];
*/
static __be32 *xdr_encode_cookieverf3(__be32 *p, const __be32 *verifier)
{
memcpy(p, verifier, NFS3_COOKIEVERFSIZE);
return p + XDR_QUADLEN(NFS3_COOKIEVERFSIZE);
}
/*
* createverf3
*
* typedef opaque createverf3[NFS3_CREATEVERFSIZE];
*/
static void encode_createverf3(struct xdr_stream *xdr, const __be32 *verifier)
{
__be32 *p;
p = xdr_reserve_space(xdr, NFS3_CREATEVERFSIZE);
memcpy(p, verifier, NFS3_CREATEVERFSIZE);
}
/*
* ftype3
*
* enum ftype3 {
* NF3REG = 1,
* NF3DIR = 2,
* NF3BLK = 3,
* NF3CHR = 4,
* NF3LNK = 5,
* NF3SOCK = 6,
* NF3FIFO = 7
* };
*/
static void encode_ftype3(struct xdr_stream *xdr, const u32 type)
{
BUG_ON(type > NF3FIFO);
encode_uint32(xdr, type);
}
/*
* specdata3
*
* struct specdata3 {
* uint32 specdata1;
* uint32 specdata2;
* };
*/
static void encode_specdata3(struct xdr_stream *xdr, const dev_t rdev)
{
__be32 *p;
p = xdr_reserve_space(xdr, 8);
*p++ = cpu_to_be32(MAJOR(rdev));
*p = cpu_to_be32(MINOR(rdev));
}
/*
* nfs_fh3
*
* struct nfs_fh3 {
* opaque data<NFS3_FHSIZE>;
* };
*/
static void encode_nfs_fh3(struct xdr_stream *xdr, const struct nfs_fh *fh)
{
__be32 *p;
BUG_ON(fh->size > NFS3_FHSIZE);
p = xdr_reserve_space(xdr, 4 + fh->size);
xdr_encode_opaque(p, fh->data, fh->size);
}
/*
* sattr3
*
* enum time_how {
* DONT_CHANGE = 0,
* SET_TO_SERVER_TIME = 1,
* SET_TO_CLIENT_TIME = 2
* };
*
* union set_mode3 switch (bool set_it) {
* case TRUE:
* mode3 mode;
* default:
* void;
* };
*
* union set_uid3 switch (bool set_it) {
* case TRUE:
* uid3 uid;
* default:
* void;
* };
*
* union set_gid3 switch (bool set_it) {
* case TRUE:
* gid3 gid;
* default:
* void;
* };
*
* union set_size3 switch (bool set_it) {
* case TRUE:
* size3 size;
* default:
* void;
* };
*
* union set_atime switch (time_how set_it) {
* case SET_TO_CLIENT_TIME:
* nfstime3 atime;
* default:
* void;
* };
*
* union set_mtime switch (time_how set_it) {
* case SET_TO_CLIENT_TIME:
* nfstime3 mtime;
* default:
* void;
* };
*
* struct sattr3 {
* set_mode3 mode;
* set_uid3 uid;
* set_gid3 gid;
* set_size3 size;
* set_atime atime;
* set_mtime mtime;
* };
*/
static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
{
u32 nbytes;
__be32 *p;
/*
* In order to make only a single xdr_reserve_space() call,
* pre-compute the total number of bytes to be reserved.
* Six boolean values, one for each set_foo field, are always
* present in the encoded result, so start there.
*/
nbytes = 6 * 4;
if (attr->ia_valid & ATTR_MODE)
nbytes += 4;
if (attr->ia_valid & ATTR_UID)
nbytes += 4;
if (attr->ia_valid & ATTR_GID)
nbytes += 4;
if (attr->ia_valid & ATTR_SIZE)
nbytes += 8;
if (attr->ia_valid & ATTR_ATIME_SET)
nbytes += 8;
if (attr->ia_valid & ATTR_MTIME_SET)
nbytes += 8;
p = xdr_reserve_space(xdr, nbytes);
xdr_encode_sattr(p, attr);
}
/*
* diropargs3
*
* struct diropargs3 {
* nfs_fh3 dir;
* filename3 name;
* };
*/
static void encode_diropargs3(struct xdr_stream *xdr, const struct nfs_fh *fh,
const char *name, u32 length)
{
encode_nfs_fh3(xdr, fh);
encode_filename3(xdr, name, length);
}
/*
* NFSv3 XDR encode functions
*
* NFSv3 argument types are defined in section 3.3 of RFC 1813:
* "NFS Version 3 Protocol Specification".
*/
/*
* 3.3.1 GETATTR3args
*
* struct GETATTR3args {
* nfs_fh3 object;
* };
*/
static int nfs3_xdr_enc_getattr3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_fh *fh)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, fh);
return 0;
}
/*
* 3.3.2 SETATTR3args
*
* union sattrguard3 switch (bool check) {
* case TRUE:
* nfstime3 obj_ctime;
* case FALSE:
* void;
* };
*
* struct SETATTR3args {
* nfs_fh3 object;
* sattr3 new_attributes;
* sattrguard3 guard;
* };
*/
static void encode_sattrguard3(struct xdr_stream *xdr,
const struct nfs3_sattrargs *args)
{
__be32 *p;
if (args->guard) {
p = xdr_reserve_space(xdr, 4 + 8);
*p++ = xdr_one;
xdr_encode_time3(p, &args->guardtime);
} else {
p = xdr_reserve_space(xdr, 4);
*p = xdr_zero;
}
}
static int nfs3_xdr_enc_setattr3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_sattrargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, args->fh);
encode_sattr3(&xdr, args->sattr);
encode_sattrguard3(&xdr, args);
return 0;
}
/*
* 3.3.3 LOOKUP3args
*
* struct LOOKUP3args {
* diropargs3 what;
* };
*/
static int nfs3_xdr_enc_lookup3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_diropargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fh, args->name, args->len);
return 0;
}
/*
* 3.3.4 ACCESS3args
*
* struct ACCESS3args {
* nfs_fh3 object;
* uint32 access;
* };
*/
static void encode_access3args(struct xdr_stream *xdr,
const struct nfs3_accessargs *args)
{
encode_nfs_fh3(xdr, args->fh);
encode_uint32(xdr, args->access);
}
static int nfs3_xdr_enc_access3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_accessargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_access3args(&xdr, args);
return 0;
}
/*
* 3.3.5 READLINK3args
*
* struct READLINK3args {
* nfs_fh3 symlink;
* };
*/
static int nfs3_xdr_enc_readlink3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_readlinkargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, args->fh);
prepare_reply_buffer(req, args->pages, args->pgbase,
args->pglen, NFS3_readlinkres_sz);
return 0;
}
/*
* 3.3.6 READ3args
*
* struct READ3args {
* nfs_fh3 file;
* offset3 offset;
* count3 count;
* };
*/
static void encode_read3args(struct xdr_stream *xdr,
const struct nfs_readargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + 4);
p = xdr_encode_hyper(p, args->offset);
*p = cpu_to_be32(args->count);
}
static int nfs3_xdr_enc_read3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_readargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_read3args(&xdr, args);
prepare_reply_buffer(req, args->pages, args->pgbase,
args->count, NFS3_readres_sz);
req->rq_rcv_buf.flags |= XDRBUF_READ;
return 0;
}
/*
* 3.3.7 WRITE3args
*
* enum stable_how {
* UNSTABLE = 0,
* DATA_SYNC = 1,
* FILE_SYNC = 2
* };
*
* struct WRITE3args {
* nfs_fh3 file;
* offset3 offset;
* count3 count;
* stable_how stable;
* opaque data<>;
* };
*/
static void encode_write3args(struct xdr_stream *xdr,
const struct nfs_writeargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + 4 + 4 + 4);
p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->count);
BUG_ON(args->stable > NFS_FILE_SYNC);
*p++ = cpu_to_be32(args->stable);
*p = cpu_to_be32(args->count);
xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
}
static int nfs3_xdr_enc_write3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_writeargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_write3args(&xdr, args);
xdr.buf->flags |= XDRBUF_WRITE;
return 0;
}
/*
* 3.3.8 CREATE3args
*
* enum createmode3 {
* UNCHECKED = 0,
* GUARDED = 1,
* EXCLUSIVE = 2
* };
*
* union createhow3 switch (createmode3 mode) {
* case UNCHECKED:
* case GUARDED:
* sattr3 obj_attributes;
* case EXCLUSIVE:
* createverf3 verf;
* };
*
* struct CREATE3args {
* diropargs3 where;
* createhow3 how;
* };
*/
static void encode_createhow3(struct xdr_stream *xdr,
const struct nfs3_createargs *args)
{
encode_uint32(xdr, args->createmode);
switch (args->createmode) {
case NFS3_CREATE_UNCHECKED:
case NFS3_CREATE_GUARDED:
encode_sattr3(xdr, args->sattr);
break;
case NFS3_CREATE_EXCLUSIVE:
encode_createverf3(xdr, args->verifier);
break;
default:
BUG();
}
}
static int nfs3_xdr_enc_create3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_createargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fh, args->name, args->len);
encode_createhow3(&xdr, args);
return 0;
}
/*
* 3.3.9 MKDIR3args
*
* struct MKDIR3args {
* diropargs3 where;
* sattr3 attributes;
* };
*/
static int nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_mkdirargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fh, args->name, args->len);
encode_sattr3(&xdr, args->sattr);
return 0;
}
/*
* 3.3.10 SYMLINK3args
*
* struct symlinkdata3 {
* sattr3 symlink_attributes;
* nfspath3 symlink_data;
* };
*
* struct SYMLINK3args {
* diropargs3 where;
* symlinkdata3 symlink;
* };
*/
static void encode_symlinkdata3(struct xdr_stream *xdr,
const struct nfs3_symlinkargs *args)
{
encode_sattr3(xdr, args->sattr);
encode_nfspath3(xdr, args->pages, args->pathlen);
}
static int nfs3_xdr_enc_symlink3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_symlinkargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fromfh, args->fromname, args->fromlen);
encode_symlinkdata3(&xdr, args);
return 0;
}
/*
* 3.3.11 MKNOD3args
*
* struct devicedata3 {
* sattr3 dev_attributes;
* specdata3 spec;
* };
*
* union mknoddata3 switch (ftype3 type) {
* case NF3CHR:
* case NF3BLK:
* devicedata3 device;
* case NF3SOCK:
* case NF3FIFO:
* sattr3 pipe_attributes;
* default:
* void;
* };
*
* struct MKNOD3args {
* diropargs3 where;
* mknoddata3 what;
* };
*/
static void encode_devicedata3(struct xdr_stream *xdr,
const struct nfs3_mknodargs *args)
{
encode_sattr3(xdr, args->sattr);
encode_specdata3(xdr, args->rdev);
}
static void encode_mknoddata3(struct xdr_stream *xdr,
const struct nfs3_mknodargs *args)
{
encode_ftype3(xdr, args->type);
switch (args->type) {
case NF3CHR:
case NF3BLK:
encode_devicedata3(xdr, args);
break;
case NF3SOCK:
case NF3FIFO:
encode_sattr3(xdr, args->sattr);
break;
case NF3REG:
case NF3DIR:
break;
default:
BUG();
}
}
static int nfs3_xdr_enc_mknod3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_mknodargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fh, args->name, args->len);
encode_mknoddata3(&xdr, args);
return 0;
}
/*
* 3.3.12 REMOVE3args
*
* struct REMOVE3args {
* diropargs3 object;
* };
*/
static int nfs3_xdr_enc_remove3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_removeargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->fh, args->name.name, args->name.len);
return 0;
}
/*
* 3.3.14 RENAME3args
*
* struct RENAME3args {
* diropargs3 from;
* diropargs3 to;
* };
*/
static int nfs3_xdr_enc_rename3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_renameargs *args)
{
const struct qstr *old = args->old_name;
const struct qstr *new = args->new_name;
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_diropargs3(&xdr, args->old_dir, old->name, old->len);
encode_diropargs3(&xdr, args->new_dir, new->name, new->len);
return 0;
}
/*
* 3.3.15 LINK3args
*
* struct LINK3args {
* nfs_fh3 file;
* diropargs3 link;
* };
*/
static int nfs3_xdr_enc_link3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_linkargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, args->fromfh);
encode_diropargs3(&xdr, args->tofh, args->toname, args->tolen);
return 0;
}
/*
* 3.3.16 READDIR3args
*
* struct READDIR3args {
* nfs_fh3 dir;
* cookie3 cookie;
* cookieverf3 cookieverf;
* count3 count;
* };
*/
static void encode_readdir3args(struct xdr_stream *xdr,
const struct nfs3_readdirargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + NFS3_COOKIEVERFSIZE + 4);
p = xdr_encode_cookie3(p, args->cookie);
p = xdr_encode_cookieverf3(p, args->verf);
*p = cpu_to_be32(args->count);
}
static int nfs3_xdr_enc_readdir3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_readdirargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_readdir3args(&xdr, args);
prepare_reply_buffer(req, args->pages, 0,
args->count, NFS3_readdirres_sz);
return 0;
}
/*
* 3.3.17 READDIRPLUS3args
*
* struct READDIRPLUS3args {
* nfs_fh3 dir;
* cookie3 cookie;
* cookieverf3 cookieverf;
* count3 dircount;
* count3 maxcount;
* };
*/
static void encode_readdirplus3args(struct xdr_stream *xdr,
const struct nfs3_readdirargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + NFS3_COOKIEVERFSIZE + 4 + 4);
p = xdr_encode_cookie3(p, args->cookie);
p = xdr_encode_cookieverf3(p, args->verf);
/*
* readdirplus: need dircount + buffer size.
* We just make sure we make dircount big enough
*/
*p++ = cpu_to_be32(args->count >> 3);
*p = cpu_to_be32(args->count);
}
static int nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_readdirargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_readdirplus3args(&xdr, args);
prepare_reply_buffer(req, args->pages, 0,
args->count, NFS3_readdirres_sz);
return 0;
}
/*
* Decode the result of a readdir call.
* We just check for syntactical correctness.
*/
static int
nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res)
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct kvec *iov = rcvbuf->head;
struct page **page;
size_t hdrlen;
u32 recvd, pglen;
int status;
status = ntohl(*p++);
/* Decode post_op_attrs */
p = xdr_decode_post_op_attr(p, res->dir_attr);
if (status)
return nfs_stat_to_errno(status);
/* Decode verifier cookie */
if (res->verf) {
res->verf[0] = *p++;
res->verf[1] = *p++;
} else {
p += 2;
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len < hdrlen) {
dprintk("NFS: READDIR reply header overflowed:"
"length %Zu > %Zu\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READDIR header is short. iovec will be shifted.\n");
xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen);
}
pglen = rcvbuf->page_len;
recvd = rcvbuf->len - hdrlen;
if (pglen > recvd)
pglen = recvd;
page = rcvbuf->pages;
return pglen;
}
__be32 *
nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, struct nfs_server *server, int plus)
{
__be32 *p;
struct nfs_entry old = *entry;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
if (!ntohl(*p++)) {
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
if (!ntohl(*p++))
return ERR_PTR(-EAGAIN);
entry->eof = 1;
return ERR_PTR(-EBADCOOKIE);
}
p = xdr_inline_decode(xdr, 12);
if (unlikely(!p))
goto out_overflow;
p = xdr_decode_hyper(p, &entry->ino);
entry->len = ntohl(*p++);
p = xdr_inline_decode(xdr, entry->len + 8);
if (unlikely(!p))
goto out_overflow;
entry->name = (const char *) p;
p += XDR_QUADLEN(entry->len);
entry->prev_cookie = entry->cookie;
p = xdr_decode_hyper(p, &entry->cookie);
entry->d_type = DT_UNKNOWN;
if (plus) {
entry->fattr->valid = 0;
p = xdr_decode_post_op_attr_stream(xdr, entry->fattr);
if (IS_ERR(p))
goto out_overflow_exit;
entry->d_type = nfs_umode_to_dtype(entry->fattr->mode);
/* In fact, a post_op_fh3: */
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
if (*p++) {
p = xdr_decode_fhandle_stream(xdr, entry->fh);
if (IS_ERR(p))
goto out_overflow_exit;
/* Ugh -- server reply was truncated */
if (p == NULL) {
dprintk("NFS: FH truncated\n");
*entry = old;
return ERR_PTR(-EAGAIN);
}
} else
memset((u8*)(entry->fh), 0, sizeof(*entry->fh));
}
p = xdr_inline_peek(xdr, 8);
if (p != NULL)
entry->eof = !p[0] && p[1];
else
entry->eof = 0;
return p;
out_overflow:
print_overflow_msg(__func__, xdr);
out_overflow_exit:
return ERR_PTR(-EAGAIN);
}
/*
* 3.3.21 COMMIT3args
*
* struct COMMIT3args {
* nfs_fh3 file;
* offset3 offset;
* count3 count;
* };
*/
static void encode_commit3args(struct xdr_stream *xdr,
const struct nfs_writeargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + 4);
p = xdr_encode_hyper(p, args->offset);
*p = cpu_to_be32(args->count);
}
static int nfs3_xdr_enc_commit3args(struct rpc_rqst *req, __be32 *p,
const struct nfs_writeargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_commit3args(&xdr, args);
return 0;
}
#ifdef CONFIG_NFS_V3_ACL
static int nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_getaclargs *args)
{
struct xdr_stream xdr;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, args->fh);
encode_uint32(&xdr, args->mask);
if (args->mask & (NFS_ACL | NFS_DFACL))
prepare_reply_buffer(req, args->pages, 0,
NFSACL_MAXPAGES << PAGE_SHIFT,
ACL3_getaclres_sz);
return 0;
}
static int nfs3_xdr_enc_setacl3args(struct rpc_rqst *req, __be32 *p,
const struct nfs3_setaclargs *args)
{
struct xdr_stream xdr;
unsigned int base;
int error;
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_nfs_fh3(&xdr, NFS_FH(args->inode));
encode_uint32(&xdr, args->mask);
if (args->npages != 0)
xdr_write_pages(&xdr, args->pages, 0, args->len);
base = req->rq_slen;
error = nfsacl_encode(xdr.buf, base, args->inode,
(args->mask & NFS_ACL) ?
args->acl_access : NULL, 1, 0);
BUG_ON(error < 0);
error = nfsacl_encode(xdr.buf, base + error, args->inode,
(args->mask & NFS_DFACL) ?
args->acl_default : NULL, 1,
NFS_ACL_DEFAULT);
BUG_ON(error < 0);
return 0;
}
#endif /* CONFIG_NFS_V3_ACL */
/*
* NFS XDR decode functions
*/
/*
* Decode attrstat reply.
*/
static int
nfs3_xdr_attrstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
{
int status;
if ((status = ntohl(*p++)))
return nfs_stat_to_errno(status);
xdr_decode_fattr(p, fattr);
return 0;
}
/*
* Decode status+wcc_data reply
* SATTR, REMOVE, RMDIR
*/
static int
nfs3_xdr_wccstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
{
int status;
if ((status = ntohl(*p++)))
status = nfs_stat_to_errno(status);
xdr_decode_wcc_data(p, fattr);
return status;
}
static int
nfs3_xdr_removeres(struct rpc_rqst *req, __be32 *p, struct nfs_removeres *res)
{
return nfs3_xdr_wccstat(req, p, res->dir_attr);
}
/*
* Decode LOOKUP reply
*/
static int
nfs3_xdr_lookupres(struct rpc_rqst *req, __be32 *p, struct nfs3_diropres *res)
{
int status;
if ((status = ntohl(*p++))) {
status = nfs_stat_to_errno(status);
} else {
if (!(p = xdr_decode_fhandle(p, res->fh)))
return -errno_NFSERR_IO;
p = xdr_decode_post_op_attr(p, res->fattr);
}
xdr_decode_post_op_attr(p, res->dir_attr);
return status;
}
/*
* Decode ACCESS reply
*/
static int
nfs3_xdr_accessres(struct rpc_rqst *req, __be32 *p, struct nfs3_accessres *res)
{
int status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, res->fattr);
if (status)
return nfs_stat_to_errno(status);
res->access = ntohl(*p++);
return 0;
}
/*
* Decode READLINK reply
*/
static int
nfs3_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct kvec *iov = rcvbuf->head;
size_t hdrlen;
u32 len, recvd;
int status;
status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, fattr);
if (status != 0)
return nfs_stat_to_errno(status);
/* Convert length of symlink */
len = ntohl(*p++);
if (len >= rcvbuf->page_len) {
dprintk("nfs: server returned giant symlink!\n");
return -ENAMETOOLONG;
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len < hdrlen) {
dprintk("NFS: READLINK reply header overflowed:"
"length %Zu > %Zu\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READLINK header is short. "
"iovec will be shifted.\n");
xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen);
}
recvd = req->rq_rcv_buf.len - hdrlen;
if (recvd < len) {
dprintk("NFS: server cheating in readlink reply: "
"count %u > recvd %u\n", len, recvd);
return -EIO;
}
xdr_terminate_string(rcvbuf, len);
return 0;
}
/*
* Decode READ reply
*/
static int
nfs3_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res)
{
struct kvec *iov = req->rq_rcv_buf.head;
size_t hdrlen;
u32 count, ocount, recvd;
int status;
status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
/* Decode reply count and EOF flag. NFSv3 is somewhat redundant
* in that it puts the count both in the res struct and in the
* opaque data count. */
count = ntohl(*p++);
res->eof = ntohl(*p++);
ocount = ntohl(*p++);
if (ocount != count) {
dprintk("NFS: READ count doesn't match RPC opaque count.\n");
return -errno_NFSERR_IO;
}
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
if (iov->iov_len < hdrlen) {
dprintk("NFS: READ reply header overflowed:"
"length %Zu > %Zu\n", hdrlen, iov->iov_len);
return -errno_NFSERR_IO;
} else if (iov->iov_len != hdrlen) {
dprintk("NFS: READ header is short. iovec will be shifted.\n");
xdr_shift_buf(&req->rq_rcv_buf, iov->iov_len - hdrlen);
}
recvd = req->rq_rcv_buf.len - hdrlen;
if (count > recvd) {
dprintk("NFS: server cheating in read reply: "
"count %u > recvd %u\n", count, recvd);
count = recvd;
res->eof = 0;
}
if (count < res->count)
res->count = count;
return count;
}
/*
* Decode WRITE response
*/
static int
nfs3_xdr_writeres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res)
{
int status;
status = ntohl(*p++);
p = xdr_decode_wcc_data(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
res->count = ntohl(*p++);
res->verf->committed = (enum nfs3_stable_how)ntohl(*p++);
res->verf->verifier[0] = *p++;
res->verf->verifier[1] = *p++;
return res->count;
}
/*
* Decode a CREATE response
*/
static int
nfs3_xdr_createres(struct rpc_rqst *req, __be32 *p, struct nfs3_diropres *res)
{
int status;
status = ntohl(*p++);
if (status == 0) {
if (*p++) {
if (!(p = xdr_decode_fhandle(p, res->fh)))
return -errno_NFSERR_IO;
p = xdr_decode_post_op_attr(p, res->fattr);
} else {
memset(res->fh, 0, sizeof(*res->fh));
/* Do decode post_op_attr but set it to NULL */
p = xdr_decode_post_op_attr(p, res->fattr);
res->fattr->valid = 0;
}
} else {
status = nfs_stat_to_errno(status);
}
p = xdr_decode_wcc_data(p, res->dir_attr);
return status;
}
/*
* Decode RENAME reply
*/
static int
nfs3_xdr_renameres(struct rpc_rqst *req, __be32 *p, struct nfs_renameres *res)
{
int status;
if ((status = ntohl(*p++)) != 0)
status = nfs_stat_to_errno(status);
p = xdr_decode_wcc_data(p, res->old_fattr);
p = xdr_decode_wcc_data(p, res->new_fattr);
return status;
}
/*
* Decode LINK reply
*/
static int
nfs3_xdr_linkres(struct rpc_rqst *req, __be32 *p, struct nfs3_linkres *res)
{
int status;
if ((status = ntohl(*p++)) != 0)
status = nfs_stat_to_errno(status);
p = xdr_decode_post_op_attr(p, res->fattr);
p = xdr_decode_wcc_data(p, res->dir_attr);
return status;
}
/*
* Decode FSSTAT reply
*/
static int
nfs3_xdr_fsstatres(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *res)
{
int status;
status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
p = xdr_decode_hyper(p, &res->tbytes);
p = xdr_decode_hyper(p, &res->fbytes);
p = xdr_decode_hyper(p, &res->abytes);
p = xdr_decode_hyper(p, &res->tfiles);
p = xdr_decode_hyper(p, &res->ffiles);
p = xdr_decode_hyper(p, &res->afiles);
/* ignore invarsec */
return 0;
}
/*
* Decode FSINFO reply
*/
static int
nfs3_xdr_fsinfores(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *res)
{
int status;
status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
res->rtmax = ntohl(*p++);
res->rtpref = ntohl(*p++);
res->rtmult = ntohl(*p++);
res->wtmax = ntohl(*p++);
res->wtpref = ntohl(*p++);
res->wtmult = ntohl(*p++);
res->dtpref = ntohl(*p++);
p = xdr_decode_hyper(p, &res->maxfilesize);
p = xdr_decode_time3(p, &res->time_delta);
/* ignore properties */
res->lease_time = 0;
return 0;
}
/*
* Decode PATHCONF reply
*/
static int
nfs3_xdr_pathconfres(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *res)
{
int status;
status = ntohl(*p++);
p = xdr_decode_post_op_attr(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
res->max_link = ntohl(*p++);
res->max_namelen = ntohl(*p++);
/* ignore remaining fields */
return 0;
}
/*
* Decode COMMIT reply
*/
static int
nfs3_xdr_commitres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res)
{
int status;
status = ntohl(*p++);
p = xdr_decode_wcc_data(p, res->fattr);
if (status != 0)
return nfs_stat_to_errno(status);
res->verf->verifier[0] = *p++;
res->verf->verifier[1] = *p++;
return 0;
}
#ifdef CONFIG_NFS_V3_ACL
/*
* Decode GETACL reply
*/
static int
nfs3_xdr_getaclres(struct rpc_rqst *req, __be32 *p,
struct nfs3_getaclres *res)
{
struct xdr_buf *buf = &req->rq_rcv_buf;
int status = ntohl(*p++);
struct posix_acl **acl;
unsigned int *aclcnt;
int err, base;
if (status != 0)
return nfs_stat_to_errno(status);
p = xdr_decode_post_op_attr(p, res->fattr);
res->mask = ntohl(*p++);
if (res->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
return -EINVAL;
base = (char *)p - (char *)req->rq_rcv_buf.head->iov_base;
acl = (res->mask & NFS_ACL) ? &res->acl_access : NULL;
aclcnt = (res->mask & NFS_ACLCNT) ? &res->acl_access_count : NULL;
err = nfsacl_decode(buf, base, aclcnt, acl);
acl = (res->mask & NFS_DFACL) ? &res->acl_default : NULL;
aclcnt = (res->mask & NFS_DFACLCNT) ? &res->acl_default_count : NULL;
if (err > 0)
err = nfsacl_decode(buf, base + err, aclcnt, acl);
return (err > 0) ? 0 : err;
}
/*
* Decode setacl reply.
*/
static int
nfs3_xdr_setaclres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
{
int status = ntohl(*p++);
if (status)
return nfs_stat_to_errno(status);
xdr_decode_post_op_attr(p, fattr);
return 0;
}
#endif /* CONFIG_NFS_V3_ACL */
#define PROC(proc, argtype, restype, timer) \
[NFS3PROC_##proc] = { \
.p_proc = NFS3PROC_##proc, \
.p_encode = (kxdrproc_t)nfs3_xdr_enc_##argtype##3args, \
.p_decode = (kxdrproc_t) nfs3_xdr_##restype, \
.p_arglen = NFS3_##argtype##args_sz, \
.p_replen = NFS3_##restype##_sz, \
.p_timer = timer, \
.p_statidx = NFS3PROC_##proc, \
.p_name = #proc, \
}
struct rpc_procinfo nfs3_procedures[] = {
PROC(GETATTR, getattr, attrstat, 1),
PROC(SETATTR, setattr, wccstat, 0),
PROC(LOOKUP, lookup, lookupres, 2),
PROC(ACCESS, access, accessres, 1),
PROC(READLINK, readlink, readlinkres, 3),
PROC(READ, read, readres, 3),
PROC(WRITE, write, writeres, 4),
PROC(CREATE, create, createres, 0),
PROC(MKDIR, mkdir, createres, 0),
PROC(SYMLINK, symlink, createres, 0),
PROC(MKNOD, mknod, createres, 0),
PROC(REMOVE, remove, removeres, 0),
PROC(RMDIR, lookup, wccstat, 0),
PROC(RENAME, rename, renameres, 0),
PROC(LINK, link, linkres, 0),
PROC(READDIR, readdir, readdirres, 3),
PROC(READDIRPLUS, readdirplus, readdirres, 3),
PROC(FSSTAT, getattr, fsstatres, 0),
PROC(FSINFO, getattr, fsinfores, 0),
PROC(PATHCONF, getattr, pathconfres, 0),
PROC(COMMIT, commit, commitres, 5),
};
struct rpc_version nfs_version3 = {
.number = 3,
.nrprocs = ARRAY_SIZE(nfs3_procedures),
.procs = nfs3_procedures
};
#ifdef CONFIG_NFS_V3_ACL
static struct rpc_procinfo nfs3_acl_procedures[] = {
[ACLPROC3_GETACL] = {
.p_proc = ACLPROC3_GETACL,
.p_encode = (kxdrproc_t)nfs3_xdr_enc_getacl3args,
.p_decode = (kxdrproc_t) nfs3_xdr_getaclres,
.p_arglen = ACL3_getaclargs_sz,
.p_replen = ACL3_getaclres_sz,
.p_timer = 1,
.p_name = "GETACL",
},
[ACLPROC3_SETACL] = {
.p_proc = ACLPROC3_SETACL,
.p_encode = (kxdrproc_t)nfs3_xdr_enc_setacl3args,
.p_decode = (kxdrproc_t) nfs3_xdr_setaclres,
.p_arglen = ACL3_setaclargs_sz,
.p_replen = ACL3_setaclres_sz,
.p_timer = 0,
.p_name = "SETACL",
},
};
struct rpc_version nfsacl_version3 = {
.number = 3,
.nrprocs = sizeof(nfs3_acl_procedures)/
sizeof(nfs3_acl_procedures[0]),
.procs = nfs3_acl_procedures,
};
#endif /* CONFIG_NFS_V3_ACL */
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