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/*
* linux/fs/nfsd/nfs3xdr.c
*
* XDR support for nfsd/protocol version 3.
*
* Copyright (C) 1995, 1996, 1997 Olaf Kirch <okir@monad.swb.de>
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/nfs3.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/svc.h>
#include <linux/nfsd/nfsd.h>
#include <linux/nfsd/xdr3.h>
#define NFSDDBG_FACILITY NFSDDBG_XDR
#ifdef NFSD_OPTIMIZE_SPACE
# define inline
#endif
/*
* Mapping of S_IF* types to NFS file types
*/
static u32 nfs3_ftypes[] = {
NF3NON, NF3FIFO, NF3CHR, NF3BAD,
NF3DIR, NF3BAD, NF3BLK, NF3BAD,
NF3REG, NF3BAD, NF3LNK, NF3BAD,
NF3SOCK, NF3BAD, NF3LNK, NF3BAD,
};
/*
* XDR functions for basic NFS types
*/
static inline u32 *
encode_time3(u32 *p, time_t secs)
{
*p++ = htonl((u32) secs); *p++ = 0;
return p;
}
static inline u32 *
decode_time3(u32 *p, time_t *secp)
{
*secp = ntohl(*p++);
return p + 1;
}
static inline u32 *
decode_fh(u32 *p, struct svc_fh *fhp)
{
int size;
fh_init(fhp, NFS3_FHSIZE);
size = ntohl(*p++);
if (size > NFS3_FHSIZE)
return NULL;
memcpy(&fhp->fh_handle.fh_base, p, size);
fhp->fh_handle.fh_size = size;
return p + XDR_QUADLEN(size);
}
static inline u32 *
encode_fh(u32 *p, struct svc_fh *fhp)
{
int size = fhp->fh_handle.fh_size;
*p++ = htonl(size);
if (size) p[XDR_QUADLEN(size)-1]=0;
memcpy(p, &fhp->fh_handle.fh_base, size);
return p + XDR_QUADLEN(size);
}
/*
* Decode a file name and make sure that the path contains
* no slashes or null bytes.
*/
static inline u32 *
decode_filename(u32 *p, char **namp, int *lenp)
{
char *name;
int i;
if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXNAMLEN)) != NULL) {
for (i = 0, name = *namp; i < *lenp; i++, name++) {
if (*name == '\0' || *name == '/')
return NULL;
}
}
return p;
}
static inline u32 *
decode_pathname(u32 *p, char **namp, int *lenp)
{
char *name;
int i;
if ((p = xdr_decode_string(p, namp, lenp, NFS3_MAXPATHLEN)) != NULL) {
for (i = 0, name = *namp; i < *lenp; i++, name++) {
if (*name == '\0')
return NULL;
}
}
return p;
}
static inline u32 *
decode_sattr3(u32 *p, struct iattr *iap)
{
u32 tmp;
iap->ia_valid = 0;
if (*p++) {
iap->ia_valid |= ATTR_MODE;
iap->ia_mode = ntohl(*p++);
}
if (*p++) {
iap->ia_valid |= ATTR_UID;
iap->ia_uid = ntohl(*p++);
}
if (*p++) {
iap->ia_valid |= ATTR_GID;
iap->ia_gid = ntohl(*p++);
}
if (*p++) {
u64 newsize;
iap->ia_valid |= ATTR_SIZE;
p = xdr_decode_hyper(p, &newsize);
if (newsize <= NFS_OFFSET_MAX)
iap->ia_size = newsize;
else
iap->ia_size = NFS_OFFSET_MAX;
}
if ((tmp = ntohl(*p++)) == 1) { /* set to server time */
iap->ia_valid |= ATTR_ATIME;
} else if (tmp == 2) { /* set to client time */
iap->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET;
iap->ia_atime = ntohl(*p++), p++;
}
if ((tmp = ntohl(*p++)) == 1) { /* set to server time */
iap->ia_valid |= ATTR_MTIME;
} else if (tmp == 2) { /* set to client time */
iap->ia_valid |= ATTR_MTIME | ATTR_MTIME_SET;
iap->ia_mtime = ntohl(*p++), p++;
}
return p;
}
static inline u32 *
encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
*p++ = htonl(nfs3_ftypes[(inode->i_mode & S_IFMT) >> 12]);
*p++ = htonl((u32) inode->i_mode);
*p++ = htonl((u32) inode->i_nlink);
*p++ = htonl((u32) nfsd_ruid(rqstp, inode->i_uid));
*p++ = htonl((u32) nfsd_rgid(rqstp, inode->i_gid));
if (S_ISLNK(inode->i_mode) && inode->i_size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
p = xdr_encode_hyper(p, (u64) inode->i_size);
}
if (inode->i_blksize == 0 && inode->i_blocks == 0)
/* Minix file system(?) i_size is (hopefully) close enough */
p = xdr_encode_hyper(p, (u64)(inode->i_size +511)& ~511);
else
p = xdr_encode_hyper(p, ((u64)inode->i_blocks) << 9);
*p++ = htonl((u32) MAJOR(inode->i_rdev));
*p++ = htonl((u32) MINOR(inode->i_rdev));
p = xdr_encode_hyper(p, (u64) inode->i_dev);
p = xdr_encode_hyper(p, (u64) inode->i_ino);
p = encode_time3(p, inode->i_atime);
p = encode_time3(p, lease_get_mtime(inode));
p = encode_time3(p, inode->i_ctime);
return p;
}
static inline u32 *
encode_saved_post_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
struct inode *inode = fhp->fh_dentry->d_inode;
/* Attributes to follow */
*p++ = xdr_one;
*p++ = htonl(nfs3_ftypes[(fhp->fh_post_mode & S_IFMT) >> 12]);
*p++ = htonl((u32) fhp->fh_post_mode);
*p++ = htonl((u32) fhp->fh_post_nlink);
*p++ = htonl((u32) nfsd_ruid(rqstp, fhp->fh_post_uid));
*p++ = htonl((u32) nfsd_rgid(rqstp, fhp->fh_post_gid));
if (S_ISLNK(fhp->fh_post_mode) && fhp->fh_post_size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
p = xdr_encode_hyper(p, (u64) fhp->fh_post_size);
}
p = xdr_encode_hyper(p, ((u64)fhp->fh_post_blocks) << 9);
*p++ = htonl((u32) MAJOR(fhp->fh_post_rdev));
*p++ = htonl((u32) MINOR(fhp->fh_post_rdev));
p = xdr_encode_hyper(p, (u64) inode->i_dev);
p = xdr_encode_hyper(p, (u64) inode->i_ino);
p = encode_time3(p, fhp->fh_post_atime);
p = encode_time3(p, fhp->fh_post_mtime);
p = encode_time3(p, fhp->fh_post_ctime);
return p;
}
/*
* Encode post-operation attributes.
* The inode may be NULL if the call failed because of a stale file
* handle. In this case, no attributes are returned.
*/
static u32 *
encode_post_op_attr(struct svc_rqst *rqstp, u32 *p, struct dentry *dentry)
{
if (dentry && dentry->d_inode != NULL) {
*p++ = xdr_one; /* attributes follow */
return encode_fattr3(rqstp, p, dentry);
}
*p++ = xdr_zero;
return p;
}
/*
* Enocde weak cache consistency data
*/
static u32 *
encode_wcc_data(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
struct dentry *dentry = fhp->fh_dentry;
if (dentry && dentry->d_inode && fhp->fh_post_saved) {
if (fhp->fh_pre_saved) {
*p++ = xdr_one;
p = xdr_encode_hyper(p, (u64) fhp->fh_pre_size);
p = encode_time3(p, fhp->fh_pre_mtime);
p = encode_time3(p, fhp->fh_pre_ctime);
} else {
*p++ = xdr_zero;
}
return encode_saved_post_attr(rqstp, p, fhp);
}
/* no pre- or post-attrs */
*p++ = xdr_zero;
return encode_post_op_attr(rqstp, p, dentry);
}
/*
* Check buffer bounds after decoding arguments
*/
static inline int
xdr_argsize_check(struct svc_rqst *rqstp, u32 *p)
{
struct svc_buf *buf = &rqstp->rq_argbuf;
return p - buf->base <= buf->buflen;
}
static inline int
xdr_ressize_check(struct svc_rqst *rqstp, u32 *p)
{
struct svc_buf *buf = &rqstp->rq_resbuf;
buf->len = p - buf->base;
dprintk("nfsd: ressize_check p %p base %p len %d\n",
p, buf->base, buf->buflen);
return (buf->len <= buf->buflen);
}
/*
* XDR decode functions
*/
int
nfs3svc_decode_fhandle(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
if (!(p = decode_fh(p, fhp)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_sattrargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_sattrargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_sattr3(p, &args->attrs)))
return 0;
if ((args->check_guard = ntohl(*p++)) != 0)
p = decode_time3(p, &args->guardtime);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_diropargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_diropargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_filename(p, &args->name, &args->len)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_accessargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_accessargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
args->access = ntohl(*p++);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = xdr_decode_hyper(p, &args->offset)))
return 0;
args->count = ntohl(*p++);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_writeargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = xdr_decode_hyper(p, &args->offset)))
return 0;
args->count = ntohl(*p++);
args->stable = ntohl(*p++);
args->len = ntohl(*p++);
args->data = (char *) p;
p += XDR_QUADLEN(args->len);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_createargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_createargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_filename(p, &args->name, &args->len)))
return 0;
switch (args->createmode = ntohl(*p++)) {
case NFS3_CREATE_UNCHECKED:
case NFS3_CREATE_GUARDED:
if (!(p = decode_sattr3(p, &args->attrs)))
return 0;
break;
case NFS3_CREATE_EXCLUSIVE:
args->verf = p;
p += 2;
break;
default:
return 0;
}
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_mkdirargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_createargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_filename(p, &args->name, &args->len))
|| !(p = decode_sattr3(p, &args->attrs)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_symlinkargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_symlinkargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
|| !(p = decode_filename(p, &args->fname, &args->flen))
|| !(p = decode_sattr3(p, &args->attrs))
|| !(p = decode_pathname(p, &args->tname, &args->tlen)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_mknodargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_mknodargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_filename(p, &args->name, &args->len)))
return 0;
args->ftype = ntohl(*p++);
if (args->ftype == NF3BLK || args->ftype == NF3CHR
|| args->ftype == NF3SOCK || args->ftype == NF3FIFO) {
if (!(p = decode_sattr3(p, &args->attrs)))
return 0;
}
if (args->ftype == NF3BLK || args->ftype == NF3CHR) {
args->major = ntohl(*p++);
args->minor = ntohl(*p++);
}
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_renameargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_renameargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
|| !(p = decode_filename(p, &args->fname, &args->flen))
|| !(p = decode_fh(p, &args->tfh))
|| !(p = decode_filename(p, &args->tname, &args->tlen)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_linkargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_linkargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
|| !(p = decode_fh(p, &args->tfh))
|| !(p = decode_filename(p, &args->tname, &args->tlen)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readdirargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
p = xdr_decode_hyper(p, &args->cookie);
args->verf = p; p += 2;
args->dircount = ~0;
args->count = ntohl(*p++);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readdirargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
p = xdr_decode_hyper(p, &args->cookie);
args->verf = p; p += 2;
args->dircount = ntohl(*p++);
args->count = ntohl(*p++);
return xdr_argsize_check(rqstp, p);
}
int
nfs3svc_decode_commitargs(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_commitargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
p = xdr_decode_hyper(p, &args->offset);
args->count = ntohl(*p++);
return xdr_argsize_check(rqstp, p);
}
/*
* XDR encode functions
*/
/*
* There must be an encoding function for void results so svc_process
* will work properly.
*/
int
nfs3svc_encode_voidres(struct svc_rqst *rqstp, u32 *p, void *dummy)
{
return xdr_ressize_check(rqstp, p);
}
/* GETATTR */
int
nfs3svc_encode_attrstat(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_attrstat *resp)
{
if (resp->status == 0)
p = encode_fattr3(rqstp, p, resp->fh.fh_dentry);
return xdr_ressize_check(rqstp, p);
}
/* SETATTR, REMOVE, RMDIR */
int
nfs3svc_encode_wccstat(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_attrstat *resp)
{
p = encode_wcc_data(rqstp, p, &resp->fh);
return xdr_ressize_check(rqstp, p);
}
/* LOOKUP */
int
nfs3svc_encode_diropres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_diropres *resp)
{
if (resp->status == 0) {
p = encode_fh(p, &resp->fh);
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
}
p = encode_post_op_attr(rqstp, p, resp->dirfh.fh_dentry);
return xdr_ressize_check(rqstp, p);
}
/* ACCESS */
int
nfs3svc_encode_accessres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_accessres *resp)
{
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
if (resp->status == 0)
*p++ = htonl(resp->access);
return xdr_ressize_check(rqstp, p);
}
/* READLINK */
int
nfs3svc_encode_readlinkres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readlinkres *resp)
{
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
if (resp->status == 0) {
*p++ = htonl(resp->len);
p += XDR_QUADLEN(resp->len);
}
return xdr_ressize_check(rqstp, p);
}
/* READ */
int
nfs3svc_encode_readres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readres *resp)
{
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
if (resp->status == 0) {
*p++ = htonl(resp->count);
*p++ = htonl(resp->eof);
*p++ = htonl(resp->count); /* xdr opaque count */
p += XDR_QUADLEN(resp->count);
}
return xdr_ressize_check(rqstp, p);
}
/* WRITE */
int
nfs3svc_encode_writeres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_writeres *resp)
{
p = encode_wcc_data(rqstp, p, &resp->fh);
if (resp->status == 0) {
*p++ = htonl(resp->count);
*p++ = htonl(resp->committed);
*p++ = htonl(nfssvc_boot.tv_sec);
*p++ = htonl(nfssvc_boot.tv_usec);
}
return xdr_ressize_check(rqstp, p);
}
/* CREATE, MKDIR, SYMLINK, MKNOD */
int
nfs3svc_encode_createres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_diropres *resp)
{
if (resp->status == 0) {
*p++ = xdr_one;
p = encode_fh(p, &resp->fh);
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
}
p = encode_wcc_data(rqstp, p, &resp->dirfh);
return xdr_ressize_check(rqstp, p);
}
/* RENAME */
int
nfs3svc_encode_renameres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_renameres *resp)
{
p = encode_wcc_data(rqstp, p, &resp->ffh);
p = encode_wcc_data(rqstp, p, &resp->tfh);
return xdr_ressize_check(rqstp, p);
}
/* LINK */
int
nfs3svc_encode_linkres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_linkres *resp)
{
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
p = encode_wcc_data(rqstp, p, &resp->tfh);
return xdr_ressize_check(rqstp, p);
}
/* READDIR */
int
nfs3svc_encode_readdirres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_readdirres *resp)
{
p = encode_post_op_attr(rqstp, p, resp->fh.fh_dentry);
if (resp->status == 0) {
/* stupid readdir cookie */
memcpy(p, resp->verf, 8); p += 2;
p += XDR_QUADLEN(resp->count);
}
return xdr_ressize_check(rqstp, p);
}
/*
* Encode a directory entry. This one works for both normal readdir
* and readdirplus.
* The normal readdir reply requires 2 (fileid) + 1 (stringlen)
* + string + 2 (cookie) + 1 (next) words, i.e. 6 + strlen.
*
* The readdirplus baggage is 1+21 words for post_op_attr, plus the
* file handle.
*/
#define NFS3_ENTRY_BAGGAGE (2 + 1 + 2 + 1)
#define NFS3_ENTRYPLUS_BAGGAGE (1 + 21 + 1 + (NFS3_FHSIZE >> 2))
static int
encode_entry(struct readdir_cd *cd, const char *name,
int namlen, off_t offset, ino_t ino, unsigned int d_type, int plus)
{
u32 *p = cd->buffer;
int buflen, slen, elen;
if (cd->offset)
xdr_encode_hyper(cd->offset, (u64) offset);
/* nfsd_readdir calls us with name == 0 when it wants us to
* set the last offset entry. */
if (name == 0)
return 0;
/*
dprintk("encode_entry(%.*s @%ld%s)\n",
namlen, name, (long) offset, plus? " plus" : "");
*/
/* truncate filename if too long */
if (namlen > NFS3_MAXNAMLEN)
namlen = NFS3_MAXNAMLEN;
slen = XDR_QUADLEN(namlen);
elen = slen + NFS3_ENTRY_BAGGAGE
+ (plus? NFS3_ENTRYPLUS_BAGGAGE : 0);
if ((buflen = cd->buflen - elen) < 0) {
cd->eob = 1;
return -EINVAL;
}
*p++ = xdr_one; /* mark entry present */
p = xdr_encode_hyper(p, ino); /* file id */
p = xdr_encode_array(p, name, namlen);/* name length & name */
cd->offset = p; /* remember pointer */
p = xdr_encode_hyper(p, NFS_OFFSET_MAX); /* offset of next entry */
/* throw in readdirplus baggage */
if (plus) {
struct svc_fh fh;
struct svc_export *exp;
struct dentry *dparent, *dchild;
dparent = cd->dirfh->fh_dentry;
exp = cd->dirfh->fh_export;
fh_init(&fh, NFS3_FHSIZE);
if (isdotent(name, namlen)) {
dchild = dparent;
if (namlen == 2)
dchild = dchild->d_parent;
dchild = dget(dchild);
} else
dchild = lookup_one_len(name, dparent,namlen);
if (IS_ERR(dchild))
goto noexec;
if (fh_compose(&fh, exp, dchild, cd->dirfh) != 0 || !dchild->d_inode)
goto noexec;
p = encode_post_op_attr(cd->rqstp, p, fh.fh_dentry);
*p++ = xdr_one; /* yes, a file handle follows */
p = encode_fh(p, &fh);
fh_put(&fh);
}
out:
cd->buflen = buflen;
cd->buffer = p;
return 0;
noexec:
*p++ = 0;
*p++ = 0;
goto out;
}
int
nfs3svc_encode_entry(struct readdir_cd *cd, const char *name,
int namlen, loff_t offset, ino_t ino, unsigned int d_type)
{
return encode_entry(cd, name, namlen, offset, ino, d_type, 0);
}
int
nfs3svc_encode_entry_plus(struct readdir_cd *cd, const char *name,
int namlen, loff_t offset, ino_t ino, unsigned int d_type)
{
return encode_entry(cd, name, namlen, offset, ino, d_type, 1);
}
/* FSSTAT */
int
nfs3svc_encode_fsstatres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_fsstatres *resp)
{
struct statfs *s = &resp->stats;
u64 bs = s->f_bsize;
*p++ = xdr_zero; /* no post_op_attr */
if (resp->status == 0) {
p = xdr_encode_hyper(p, bs * s->f_blocks); /* total bytes */
p = xdr_encode_hyper(p, bs * s->f_bfree); /* free bytes */
p = xdr_encode_hyper(p, bs * s->f_bavail); /* user available bytes */
p = xdr_encode_hyper(p, s->f_files); /* total inodes */
p = xdr_encode_hyper(p, s->f_ffree); /* free inodes */
p = xdr_encode_hyper(p, s->f_ffree); /* user available inodes */
*p++ = htonl(resp->invarsec); /* mean unchanged time */
}
return xdr_ressize_check(rqstp, p);
}
/* FSINFO */
int
nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_fsinfores *resp)
{
*p++ = xdr_zero; /* no post_op_attr */
if (resp->status == 0) {
*p++ = htonl(resp->f_rtmax);
*p++ = htonl(resp->f_rtpref);
*p++ = htonl(resp->f_rtmult);
*p++ = htonl(resp->f_wtmax);
*p++ = htonl(resp->f_wtpref);
*p++ = htonl(resp->f_wtmult);
*p++ = htonl(resp->f_dtpref);
p = xdr_encode_hyper(p, resp->f_maxfilesize);
*p++ = xdr_one;
*p++ = xdr_zero;
*p++ = htonl(resp->f_properties);
}
return xdr_ressize_check(rqstp, p);
}
/* PATHCONF */
int
nfs3svc_encode_pathconfres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_pathconfres *resp)
{
*p++ = xdr_zero; /* no post_op_attr */
if (resp->status == 0) {
*p++ = htonl(resp->p_link_max);
*p++ = htonl(resp->p_name_max);
*p++ = htonl(resp->p_no_trunc);
*p++ = htonl(resp->p_chown_restricted);
*p++ = htonl(resp->p_case_insensitive);
*p++ = htonl(resp->p_case_preserving);
}
return xdr_ressize_check(rqstp, p);
}
/* COMMIT */
int
nfs3svc_encode_commitres(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_commitres *resp)
{
p = encode_wcc_data(rqstp, p, &resp->fh);
/* Write verifier */
if (resp->status == 0) {
*p++ = htonl(nfssvc_boot.tv_sec);
*p++ = htonl(nfssvc_boot.tv_usec);
}
return xdr_ressize_check(rqstp, p);
}
/*
* XDR release functions
*/
int
nfs3svc_release_fhandle(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_attrstat *resp)
{
fh_put(&resp->fh);
return 1;
}
int
nfs3svc_release_fhandle2(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_fhandle_pair *resp)
{
fh_put(&resp->fh1);
fh_put(&resp->fh2);
return 1;
}
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