int
nfssvc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_sattrargs *args)
{
if (!(p = decode_fh(p, &args->fh))
|| !(p = decode_sattr(p, &args->attrs)))
return 0;
return xdr_argsize_check(rqstp, p);
}
int
nfssvc_decode_createargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_createargs *args)
{
if ( !(p = decode_fh(p, &args->fh))
|| !(p = decode_filename(p, &args->name, &args->len)))
return 0;
p = decode_sattr(p, &args->attrs);
return xdr_argsize_check(rqstp, p);
}
int
nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_symlinkargs *args)
{
if ( !(p = decode_fh(p, &args->ffh))
|| !(p = decode_filename(p, &args->fname, &args->flen))
|| !(p = decode_pathname(p, &args->tname, &args->tlen)))
return 0;
p = decode_sattr(p, &args->attrs);
return xdr_argsize_check(rqstp, p);
}
int
nfssvc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p)
{
struct nfsd_sattrargs *args = rqstp->rq_argp;
p = decode_fh(p, &args->fh);
if (!p)
return 0;
p = decode_sattr(p, &args->attrs);
return xdr_argsize_check(rqstp, p);
}
int
nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p)
{
struct nfsd_symlinkargs *args = rqstp->rq_argp;
char *base = (char *)p;
size_t xdrlen;
if ( !(p = decode_fh(p, &args->ffh))
|| !(p = decode_filename(p, &args->fname, &args->flen)))
return 0;
args->tlen = ntohl(*p++);
if (args->tlen == 0)
return 0;
args->first.iov_base = p;
args->first.iov_len = rqstp->rq_arg.head[0].iov_len;
args->first.iov_len -= (char *)p - base;
/* This request is never larger than a page. Therefore,
* transport will deliver either:
* 1. pathname in the pagelist -> sattr is in the tail.
* 2. everything in the head buffer -> sattr is in the head.
*/
if (rqstp->rq_arg.page_len) {
if (args->tlen != rqstp->rq_arg.page_len)
return 0;
p = rqstp->rq_arg.tail[0].iov_base;
} else {
xdrlen = XDR_QUADLEN(args->tlen);
if (xdrlen > args->first.iov_len - (8 * sizeof(__be32)))
return 0;
p += xdrlen;
}
decode_sattr(p, &args->attrs);
return 1;
}
