#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_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_wcc_data_sz (NFS3_pre_op_attr_sz+NFS3_post_op_attr_sz)
#define NFS3_diropargs_sz (NFS3_fh_sz+NFS3_filename_sz)
#define NFS3_getattrargs_sz (NFS3_fh_sz)
#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_getattrres_sz (1+NFS3_fattr_sz)
+#define NFS3_setattrres_sz (1+NFS3_wcc_data_sz)
+#define NFS3_removeres_sz (NFS3_setattrres_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)
}
-/*
- * 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_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_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
*
*
* typedef uint64 fileid3;
*/
+static __be32 *xdr_decode_fileid3(__be32 *p, u64 *fileid)
+{
+ return xdr_decode_hyper(p, fileid);
+}
+
static int decode_fileid3(struct xdr_stream *xdr, u64 *fileid)
{
return decode_uint64(xdr, fileid);
encode_uint32(xdr, type);
}
+static __be32 *xdr_decode_ftype3(__be32 *p, umode_t *mode)
+{
+ u32 type;
+
+ type = be32_to_cpup(p++);
+ if (type > NF3FIFO)
+ type = NF3NON;
+ *mode = nfs_type2fmt[type];
+ return p;
+}
+
/*
* specdata3
*
*p = cpu_to_be32(MINOR(rdev));
}
+static __be32 *xdr_decode_specdata3(__be32 *p, dev_t *rdev)
+{
+ unsigned int major, minor;
+
+ major = be32_to_cpup(p++);
+ minor = be32_to_cpup(p++);
+ *rdev = MKDEV(major, minor);
+ if (MAJOR(*rdev) != major || MINOR(*rdev) != minor)
+ *rdev = 0;
+ return p;
+}
+
/*
* nfs_fh3
*
return p;
}
+static __be32 *xdr_decode_nfstime3(__be32 *p, struct timespec *timep)
+{
+ timep->tv_sec = be32_to_cpup(p++);
+ timep->tv_nsec = be32_to_cpup(p++);
+ return p;
+}
+
/*
* sattr3
*
*/
static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr)
{
+ umode_t fmode;
__be32 *p;
p = xdr_inline_decode(xdr, NFS3_fattr_sz << 2);
if (unlikely(p == NULL))
goto out_overflow;
- xdr_decode_fattr(p, fattr);
+
+ p = xdr_decode_ftype3(p, &fmode);
+
+ fattr->mode = (be32_to_cpup(p++) & ~S_IFMT) | fmode;
+ fattr->nlink = be32_to_cpup(p++);
+ fattr->uid = be32_to_cpup(p++);
+ fattr->gid = be32_to_cpup(p++);
+
+ p = xdr_decode_size3(p, &fattr->size);
+ p = xdr_decode_size3(p, &fattr->du.nfs3.used);
+ p = xdr_decode_specdata3(p, &fattr->rdev);
+
+ p = xdr_decode_hyper(p, &fattr->fsid.major);
+ fattr->fsid.minor = 0;
+
+ p = xdr_decode_fileid3(p, &fattr->fileid);
+ p = xdr_decode_nfstime3(p, &fattr->atime);
+ p = xdr_decode_nfstime3(p, &fattr->mtime);
+ xdr_decode_nfstime3(p, &fattr->ctime);
+
+ fattr->valid |= NFS_ATTR_FATTR_V3;
return 0;
out_overflow:
print_overflow_msg(__func__, xdr);
p = xdr_inline_decode(xdr, NFS3_wcc_attr_sz << 2);
if (unlikely(p == NULL))
goto out_overflow;
- xdr_decode_wcc_attr(p, fattr);
+
+ fattr->valid |= NFS_ATTR_FATTR_PRESIZE
+ | NFS_ATTR_FATTR_PREMTIME
+ | NFS_ATTR_FATTR_PRECTIME;
+
+ p = xdr_decode_size3(p, &fattr->pre_size);
+ p = xdr_decode_nfstime3(p, &fattr->pre_mtime);
+ xdr_decode_nfstime3(p, &fattr->pre_ctime);
+
return 0;
out_overflow:
print_overflow_msg(__func__, xdr);
* nfs_fh3 object;
* };
*/
-static int nfs3_xdr_enc_getattr3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs_fh *fh)
+static void nfs3_xdr_enc_getattr3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_nfs_fh3(xdr, fh);
}
/*
}
}
-static int nfs3_xdr_enc_setattr3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_sattrargs *args)
+static void nfs3_xdr_enc_setattr3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_nfs_fh3(xdr, args->fh);
+ encode_sattr3(xdr, args->sattr);
+ encode_sattrguard3(xdr, args);
}
/*
* diropargs3 what;
* };
*/
-static int nfs3_xdr_enc_lookup3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_diropargs *args)
+static void nfs3_xdr_enc_lookup3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
}
/*
encode_uint32(xdr, args->access);
}
-static int nfs3_xdr_enc_access3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_accessargs *args)
+static void nfs3_xdr_enc_access3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs3_accessargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_access3args(&xdr, args);
- return 0;
+ encode_access3args(xdr, args);
}
/*
* nfs_fh3 symlink;
* };
*/
-static int nfs3_xdr_enc_readlink3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_readlinkargs *args)
+static void nfs3_xdr_enc_readlink3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs3_readlinkargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_nfs_fh3(&xdr, args->fh);
+ encode_nfs_fh3(xdr, args->fh);
prepare_reply_buffer(req, args->pages, args->pgbase,
args->pglen, NFS3_readlinkres_sz);
- return 0;
}
/*
*p = cpu_to_be32(args->count);
}
-static int nfs3_xdr_enc_read3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs_readargs *args)
+static void nfs3_xdr_enc_read3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs_readargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_read3args(&xdr, args);
+ 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;
}
/*
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)
+static void nfs3_xdr_enc_write3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_write3args(xdr, args);
+ xdr->buf->flags |= XDRBUF_WRITE;
}
/*
}
}
-static int nfs3_xdr_enc_create3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_createargs *args)
+static void nfs3_xdr_enc_create3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+ encode_createhow3(xdr, args);
}
/*
* sattr3 attributes;
* };
*/
-static int nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_mkdirargs *args)
+static void nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+ 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)
+static void nfs3_xdr_enc_symlink3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
+ encode_symlinkdata3(xdr, args);
}
/*
}
}
-static int nfs3_xdr_enc_mknod3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_mknodargs *args)
+static void nfs3_xdr_enc_mknod3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+ encode_mknoddata3(xdr, args);
}
/*
* diropargs3 object;
* };
*/
-static int nfs3_xdr_enc_remove3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs_removeargs *args)
+static void nfs3_xdr_enc_remove3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->fh, args->name.name, args->name.len);
}
/*
* diropargs3 to;
* };
*/
-static int nfs3_xdr_enc_rename3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs_renameargs *args)
+static void nfs3_xdr_enc_rename3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_diropargs3(xdr, args->old_dir, old->name, old->len);
+ encode_diropargs3(xdr, args->new_dir, new->name, new->len);
}
/*
* diropargs3 link;
* };
*/
-static int nfs3_xdr_enc_link3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_linkargs *args)
+static void nfs3_xdr_enc_link3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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;
+ encode_nfs_fh3(xdr, args->fromfh);
+ encode_diropargs3(xdr, args->tofh, args->toname, args->tolen);
}
/*
*p = cpu_to_be32(args->count);
}
-static int nfs3_xdr_enc_readdir3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_readdirargs *args)
+static void nfs3_xdr_enc_readdir3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs3_readdirargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_readdir3args(&xdr, args);
+ encode_readdir3args(xdr, args);
prepare_reply_buffer(req, args->pages, 0,
args->count, NFS3_readdirres_sz);
- return 0;
}
/*
*p = cpu_to_be32(args->count);
}
-static int nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_readdirargs *args)
+static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs3_readdirargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_readdirplus3args(&xdr, args);
+ 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;
}
/*
*p = cpu_to_be32(args->count);
}
-static int nfs3_xdr_enc_commit3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs_writeargs *args)
+static void nfs3_xdr_enc_commit3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ const struct nfs_writeargs *args)
{
- struct xdr_stream xdr;
-
- xdr_init_encode(&xdr, &req->rq_snd_buf, p);
- encode_commit3args(&xdr, args);
- return 0;
+ encode_commit3args(xdr, args);
}
#ifdef CONFIG_NFS_V3_ACL
-static int nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, __be32 *p,
- const struct nfs3_getaclargs *args)
+static void nfs3_xdr_enc_getacl3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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);
+ 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)
+static void nfs3_xdr_enc_setacl3args(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
+ 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);
+ 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);
+ xdr_write_pages(xdr, args->pages, 0, args->len);
base = req->rq_slen;
- error = nfsacl_encode(xdr.buf, base, args->inode,
+ 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,
+ 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.
+ * NFSv3 XDR decode functions
+ *
+ * NFSv3 result types are defined in section 3.3 of RFC 1813:
+ * "NFS Version 3 Protocol Specification".
*/
-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;
-}
/*
* 3.3.1 GETATTR3res
* void;
* };
*/
-static int nfs3_xdr_dec_getattr3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_getattr3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fattr *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_fattr3(&xdr, result);
+ error = decode_fattr3(xdr, result);
out:
return error;
out_default:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.2 SETATTR3res
*
* SETATTR3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_setattr3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_setattr3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fattr *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result);
+ error = decode_wcc_data(xdr, result);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
return nfs_stat_to_errno(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;
-}
-
/*
* 3.3.3 LOOKUP3res
*
* LOOKUP3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_lookup3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_lookup3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs3_diropres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_nfs_fh3(&xdr, result->fh);
+ error = decode_nfs_fh3(xdr, result->fh);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr);
out:
return error;
out_default:
- error = decode_post_op_attr(&xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr);
if (unlikely(error))
goto out;
return nfs_stat_to_errno(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;
-}
-
/*
* 3.3.4 ACCESS3res
*
* ACCESS3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_access3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_access3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs3_accessres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_uint32(&xdr, &result->access);
+ error = decode_uint32(xdr, &result->access);
out:
return error;
out_default:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.5 READLINK3res
*
* READLINK3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_readlink3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_readlink3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fattr *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result);
+ error = decode_post_op_attr(xdr, result);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_nfspath3(&xdr);
+ error = decode_nfspath3(xdr);
out:
return error;
out_default:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.6 READ3res
*
return -EIO;
}
-static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
struct nfs_readres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_read3resok(&xdr, result);
+ error = decode_read3resok(xdr, result);
out:
return error;
out_status:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.7 WRITE3res
*
return -EIO;
}
-static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
struct nfs_writeres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->fattr);
+ error = decode_wcc_data(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_write3resok(&xdr, result);
+ error = decode_write3resok(xdr, result);
out:
return error;
out_status:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.8 CREATE3res
*
return error;
}
-static int nfs3_xdr_dec_create3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_create3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs3_diropres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_create3resok(&xdr, result);
+ error = decode_create3resok(xdr, result);
out:
return error;
out_default:
- error = decode_wcc_data(&xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr);
if (unlikely(error))
goto out;
return nfs_stat_to_errno(status);
* REMOVE3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_remove3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_remove3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_removeres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
return nfs_stat_to_errno(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;
-}
-
/*
* 3.3.14 RENAME3res
*
* RENAME3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_renameres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->old_fattr);
+ error = decode_wcc_data(xdr, result->old_fattr);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->new_fattr);
+ error = decode_wcc_data(xdr, result->new_fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
return nfs_stat_to_errno(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;
-}
-
/*
* 3.3.15 LINK3res
*
* LINK3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, struct xdr_stream *xdr,
struct nfs3_linkres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->dir_attr);
+ error = decode_wcc_data(xdr, result->dir_attr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
* the local page cache
* @xdr: XDR stream where entry resides
* @entry: buffer to fill in with entry data
- * @server: nfs_server data for this directory
* @plus: boolean indicating whether this should be a readdirplus entry
*
- * Returns the position of the next item in the buffer, or an ERR_PTR.
+ * Returns zero if successful, otherwise a negative errno value is
+ * returned.
*
* This function is not invoked during READDIR reply decoding, but
* rather whenever an application invokes the getdents(2) system call
* entryplus3 *nextentry;
* };
*/
-__be32 *nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
- struct nfs_server *server, int plus)
+int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry,
+ int plus)
{
struct nfs_entry old = *entry;
__be32 *p;
if (unlikely(p == NULL))
goto out_overflow;
if (*p == xdr_zero)
- return ERR_PTR(-EAGAIN);
+ return -EAGAIN;
entry->eof = 1;
- return ERR_PTR(-EBADCOOKIE);
+ return -EBADCOOKIE;
}
error = decode_fileid3(xdr, &entry->ino);
if (unlikely(error))
- return ERR_PTR(error);
+ return error;
error = decode_inline_filename3(xdr, &entry->name, &entry->len);
if (unlikely(error))
- return ERR_PTR(error);
+ return error;
entry->prev_cookie = entry->cookie;
error = decode_cookie3(xdr, &entry->cookie);
if (unlikely(error))
- return ERR_PTR(error);
+ return error;
entry->d_type = DT_UNKNOWN;
entry->fattr->valid = 0;
error = decode_post_op_attr(xdr, entry->fattr);
if (unlikely(error))
- return ERR_PTR(error);
+ return error;
if (entry->fattr->valid & NFS_ATTR_FATTR_V3)
entry->d_type = nfs_umode_to_dtype(entry->fattr->mode);
if (unlikely(error)) {
if (error == -E2BIG)
goto out_truncated;
- return ERR_PTR(error);
+ return error;
}
} else
zero_nfs_fh3(entry->fh);
entry->eof = 0;
if (p != NULL)
entry->eof = (p[0] == xdr_zero) && (p[1] != xdr_zero);
- return p;
+ return 0;
out_overflow:
print_overflow_msg(__func__, xdr);
- return ERR_PTR(-EAGAIN);
+ return -EAGAIN;
out_truncated:
dprintk("NFS: directory entry contains invalid file handle\n");
*entry = old;
- return ERR_PTR(-EAGAIN);
+ return -EAGAIN;
}
/*
return error;
}
-static int nfs3_xdr_dec_readdir3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_readdir3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs3_readdirres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_readdir3resok(&xdr, result);
+ error = decode_readdir3resok(xdr, result);
out:
return error;
out_default:
- error = decode_post_op_attr(&xdr, result->dir_attr);
+ error = decode_post_op_attr(xdr, result->dir_attr);
if (unlikely(error))
goto out;
return nfs_stat_to_errno(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;
-}
-
/*
* 3.3.18 FSSTAT3res
*
return -EIO;
}
-static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fsstat *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_fsstat3resok(&xdr, result);
+ error = decode_fsstat3resok(xdr, result);
out:
return error;
out_status:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.19 FSINFO3res
*
result->wtmult = be32_to_cpup(p++);
result->dtpref = be32_to_cpup(p++);
p = xdr_decode_size3(p, &result->maxfilesize);
- xdr_decode_time3(p, &result->time_delta);
+ xdr_decode_nfstime3(p, &result->time_delta);
/* ignore properties */
result->lease_time = 0;
return -EIO;
}
-static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fsinfo *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_fsinfo3resok(&xdr, result);
+ error = decode_fsinfo3resok(xdr, result);
out:
return error;
out_status:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.20 PATHCONF3res
*
return -EIO;
}
-static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_pathconf *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_post_op_attr(&xdr, result->fattr);
+ error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_pathconf3resok(&xdr, result);
+ error = decode_pathconf3resok(xdr, result);
out:
return error;
out_status:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
/*
* 3.3.21 COMMIT3res
*
* COMMIT3resfail resfail;
* };
*/
-static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_writeres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
- error = decode_wcc_data(&xdr, result->fattr);
+ error = decode_wcc_data(xdr, result->fattr);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_status;
- error = decode_writeverf3(&xdr, result->verf->verifier);
+ error = decode_writeverf3(xdr, result->verf->verifier);
out:
return error;
out_status:
}
#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;
-}
static inline int decode_getacl3resok(struct xdr_stream *xdr,
struct nfs3_getaclres *result)
return error;
}
-static int nfs3_xdr_dec_getacl3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_getacl3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs3_getaclres *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_getacl3resok(&xdr, result);
+ error = decode_getacl3resok(xdr, result);
out:
return error;
out_default:
return nfs_stat_to_errno(status);
}
-/*
- * 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;
-}
-
-static int nfs3_xdr_dec_setacl3res(struct rpc_rqst *req, __be32 *p,
+static int nfs3_xdr_dec_setacl3res(struct rpc_rqst *req,
+ struct xdr_stream *xdr,
struct nfs_fattr *result)
{
- struct xdr_stream xdr;
enum nfs_stat status;
int error;
- xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
- error = decode_nfsstat3(&xdr, &status);
+ error = decode_nfsstat3(xdr, &status);
if (unlikely(error))
goto out;
if (status != NFS3_OK)
goto out_default;
- error = decode_post_op_attr(&xdr, result);
+ error = decode_post_op_attr(xdr, result);
out:
return error;
out_default:
#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_encode = (kxdreproc_t)nfs3_xdr_enc_##argtype##3args, \
+ .p_decode = (kxdrdproc_t)nfs3_xdr_dec_##restype##3res, \
.p_arglen = NFS3_##argtype##args_sz, \
- .p_replen = NFS3_##restype##_sz, \
+ .p_replen = NFS3_##restype##res_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),
+ PROC(GETATTR, getattr, getattr, 1),
+ PROC(SETATTR, setattr, setattr, 0),
+ PROC(LOOKUP, lookup, lookup, 2),
+ PROC(ACCESS, access, access, 1),
+ PROC(READLINK, readlink, readlink, 3),
+ PROC(READ, read, read, 3),
+ PROC(WRITE, write, write, 4),
+ PROC(CREATE, create, create, 0),
+ PROC(MKDIR, mkdir, create, 0),
+ PROC(SYMLINK, symlink, create, 0),
+ PROC(MKNOD, mknod, create, 0),
+ PROC(REMOVE, remove, remove, 0),
+ PROC(RMDIR, lookup, setattr, 0),
+ PROC(RENAME, rename, rename, 0),
+ PROC(LINK, link, link, 0),
+ PROC(READDIR, readdir, readdir, 3),
+ PROC(READDIRPLUS, readdirplus, readdir, 3),
+ PROC(FSSTAT, getattr, fsstat, 0),
+ PROC(FSINFO, getattr, fsinfo, 0),
+ PROC(PATHCONF, getattr, pathconf, 0),
+ PROC(COMMIT, commit, commit, 5),
};
struct rpc_version nfs_version3 = {
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_encode = (kxdreproc_t)nfs3_xdr_enc_getacl3args,
+ .p_decode = (kxdrdproc_t)nfs3_xdr_dec_getacl3res,
.p_arglen = ACL3_getaclargs_sz,
.p_replen = ACL3_getaclres_sz,
.p_timer = 1,
},
[ACLPROC3_SETACL] = {
.p_proc = ACLPROC3_SETACL,
- .p_encode = (kxdrproc_t)nfs3_xdr_enc_setacl3args,
- .p_decode = (kxdrproc_t) nfs3_xdr_setaclres,
+ .p_encode = (kxdreproc_t)nfs3_xdr_enc_setacl3args,
+ .p_decode = (kxdrdproc_t)nfs3_xdr_dec_setacl3res,
.p_arglen = ACL3_setaclargs_sz,
.p_replen = ACL3_setaclres_sz,
.p_timer = 0,
projects / firefly-linux-kernel-4.4.55.git / blobdiff