u32 minorversion;
};
-/*
- * START OF "GENERIC" ENCODE ROUTINES.
- * These may look a little ugly since they are imported from a "generic"
- * set of XDR encode/decode routines which are intended to be shared by
- * all of our NFSv4 implementations (OpenBSD, MacOS X...).
- *
- * If the pain of reading these is too great, it should be a straightforward
- * task to translate them into Linux-specific versions which are more
- * consistent with the style used in NFSv2/v3...
- */
-#define WRITE64(n) do { \
- *p++ = htonl((uint32_t)((n) >> 32)); \
- *p++ = htonl((uint32_t)(n)); \
-} while (0)
-#define WRITEMEM(ptr,nbytes) do { \
- p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
-} while (0)
-
-#define RESERVE_SPACE(nbytes) do { \
- p = xdr_reserve_space(xdr, nbytes); \
- BUG_ON(!p); \
-} while (0)
+static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes)
+{
+ __be32 *p = xdr_reserve_space(xdr, nbytes);
+ BUG_ON(!p);
+ return p;
+}
static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
{
dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
- RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
- *p++ = cpu_to_be32(hdr->taglen);
- WRITEMEM(hdr->tag, hdr->taglen);
+ p = reserve_space(xdr, 4 + hdr->taglen + 8);
+ p = xdr_encode_opaque(p, hdr->tag, hdr->taglen);
*p++ = cpu_to_be32(hdr->minorversion);
hdr->nops_p = p;
- *p++ = cpu_to_be32(hdr->nops);
+ *p = cpu_to_be32(hdr->nops);
}
static void encode_nops(struct compound_hdr *hdr)
len += 16;
else if (iap->ia_valid & ATTR_MTIME)
len += 4;
- RESERVE_SPACE(len);
+ p = reserve_space(xdr, len);
/*
* We write the bitmap length now, but leave the bitmap and the attribute
if (iap->ia_valid & ATTR_SIZE) {
bmval0 |= FATTR4_WORD0_SIZE;
- WRITE64(iap->ia_size);
+ p = xdr_encode_hyper(p, iap->ia_size);
}
if (iap->ia_valid & ATTR_MODE) {
bmval1 |= FATTR4_WORD1_MODE;
}
if (iap->ia_valid & ATTR_UID) {
bmval1 |= FATTR4_WORD1_OWNER;
- *p++ = cpu_to_be32(owner_namelen);
- WRITEMEM(owner_name, owner_namelen);
+ p = xdr_encode_opaque(p, owner_name, owner_namelen);
}
if (iap->ia_valid & ATTR_GID) {
bmval1 |= FATTR4_WORD1_OWNER_GROUP;
- *p++ = cpu_to_be32(owner_grouplen);
- WRITEMEM(owner_group, owner_grouplen);
+ p = xdr_encode_opaque(p, owner_group, owner_grouplen);
}
if (iap->ia_valid & ATTR_ATIME_SET) {
bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
len = (char *)p - (char *)q - 12;
*q++ = htonl(bmval0);
*q++ = htonl(bmval1);
- *q++ = htonl(len);
+ *q = htonl(len);
/* out: */
}
{
__be32 *p;
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(OP_ACCESS);
- *p++ = cpu_to_be32(access);
+ *p = cpu_to_be32(access);
hdr->nops++;
hdr->replen += decode_access_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8+NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 8+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_CLOSE);
*p++ = cpu_to_be32(arg->seqid->sequence->counter);
- WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
hdr->nops++;
hdr->replen += decode_close_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(16);
+ p = reserve_space(xdr, 16);
*p++ = cpu_to_be32(OP_COMMIT);
- WRITE64(args->offset);
- *p++ = cpu_to_be32(args->count);
+ p = xdr_encode_hyper(p, args->offset);
+ *p = cpu_to_be32(args->count);
hdr->nops++;
hdr->replen += decode_commit_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(OP_CREATE);
- *p++ = cpu_to_be32(create->ftype);
+ *p = cpu_to_be32(create->ftype);
switch (create->ftype) {
case NF4LNK:
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(create->u.symlink.len);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(create->u.symlink.len);
xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len);
break;
case NF4BLK: case NF4CHR:
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(create->u.device.specdata1);
- *p++ = cpu_to_be32(create->u.device.specdata2);
+ *p = cpu_to_be32(create->u.device.specdata2);
break;
default:
break;
}
- RESERVE_SPACE(4 + create->name->len);
- *p++ = cpu_to_be32(create->name->len);
- WRITEMEM(create->name->name, create->name->len);
+ encode_string(xdr, create->name->len, create->name->name);
hdr->nops++;
hdr->replen += decode_create_maxsz;
{
__be32 *p;
- RESERVE_SPACE(12);
+ p = reserve_space(xdr, 12);
*p++ = cpu_to_be32(OP_GETATTR);
*p++ = cpu_to_be32(1);
- *p++ = cpu_to_be32(bitmap);
+ *p = cpu_to_be32(bitmap);
hdr->nops++;
hdr->replen += decode_getattr_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(16);
+ p = reserve_space(xdr, 16);
*p++ = cpu_to_be32(OP_GETATTR);
*p++ = cpu_to_be32(2);
*p++ = cpu_to_be32(bm0);
- *p++ = cpu_to_be32(bm1);
+ *p = cpu_to_be32(bm1);
hdr->nops++;
hdr->replen += decode_getattr_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_GETFH);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_GETFH);
hdr->nops++;
hdr->replen += decode_getfh_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8 + name->len);
+ p = reserve_space(xdr, 8 + name->len);
*p++ = cpu_to_be32(OP_LINK);
- *p++ = cpu_to_be32(name->len);
- WRITEMEM(name->name, name->len);
+ xdr_encode_opaque(p, name->name, name->len);
hdr->nops++;
hdr->replen += decode_link_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(32);
+ p = reserve_space(xdr, 32);
*p++ = cpu_to_be32(OP_LOCK);
*p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block));
*p++ = cpu_to_be32(args->reclaim);
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
- *p++ = cpu_to_be32(args->new_lock_owner);
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+ *p = cpu_to_be32(args->new_lock_owner);
if (args->new_lock_owner){
- RESERVE_SPACE(4+NFS4_STATEID_SIZE+32);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+32);
*p++ = cpu_to_be32(args->open_seqid->sequence->counter);
- WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE);
+ p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(args->lock_seqid->sequence->counter);
- WRITE64(args->lock_owner.clientid);
+ p = xdr_encode_hyper(p, args->lock_owner.clientid);
*p++ = cpu_to_be32(16);
- WRITEMEM("lock id:", 8);
- WRITE64(args->lock_owner.id);
+ p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+ xdr_encode_hyper(p, args->lock_owner.id);
}
else {
- RESERVE_SPACE(NFS4_STATEID_SIZE+4);
- WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE);
- *p++ = cpu_to_be32(args->lock_seqid->sequence->counter);
+ p = reserve_space(xdr, NFS4_STATEID_SIZE+4);
+ p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(args->lock_seqid->sequence->counter);
}
hdr->nops++;
hdr->replen += decode_lock_maxsz;
{
__be32 *p;
- RESERVE_SPACE(52);
+ p = reserve_space(xdr, 52);
*p++ = cpu_to_be32(OP_LOCKT);
*p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
- WRITE64(args->lock_owner.clientid);
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+ p = xdr_encode_hyper(p, args->lock_owner.clientid);
*p++ = cpu_to_be32(16);
- WRITEMEM("lock id:", 8);
- WRITE64(args->lock_owner.id);
+ p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+ xdr_encode_hyper(p, args->lock_owner.id);
hdr->nops++;
hdr->replen += decode_lockt_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(12+NFS4_STATEID_SIZE+16);
+ p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16);
*p++ = cpu_to_be32(OP_LOCKU);
*p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
*p++ = cpu_to_be32(args->seqid->sequence->counter);
- WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE);
- WRITE64(args->fl->fl_start);
- WRITE64(nfs4_lock_length(args->fl));
+ p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE);
+ p = xdr_encode_hyper(p, args->fl->fl_start);
+ xdr_encode_hyper(p, nfs4_lock_length(args->fl));
hdr->nops++;
hdr->replen += decode_locku_maxsz;
}
int len = name->len;
__be32 *p;
- RESERVE_SPACE(8 + len);
+ p = reserve_space(xdr, 8 + len);
*p++ = cpu_to_be32(OP_LOOKUP);
- *p++ = cpu_to_be32(len);
- WRITEMEM(name->name, len);
+ xdr_encode_opaque(p, name->name, len);
hdr->nops++;
hdr->replen += decode_lookup_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 8);
switch (fmode & (FMODE_READ|FMODE_WRITE)) {
case FMODE_READ:
*p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ);
default:
*p++ = cpu_to_be32(0);
}
- *p++ = cpu_to_be32(0); /* for linux, share_deny = 0 always */
+ *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */
}
static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
* opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
* owner 4 = 32
*/
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(OP_OPEN);
- *p++ = cpu_to_be32(arg->seqid->sequence->counter);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
encode_share_access(xdr, arg->fmode);
- RESERVE_SPACE(28);
- WRITE64(arg->clientid);
+ p = reserve_space(xdr, 28);
+ p = xdr_encode_hyper(p, arg->clientid);
*p++ = cpu_to_be32(16);
- WRITEMEM("open id:", 8);
- WRITE64(arg->id);
+ p = xdr_encode_opaque_fixed(p, "open id:", 8);
+ xdr_encode_hyper(p, arg->id);
}
static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
{
__be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch(arg->open_flags & O_EXCL) {
case 0:
- *p++ = cpu_to_be32(NFS4_CREATE_UNCHECKED);
+ *p = cpu_to_be32(NFS4_CREATE_UNCHECKED);
encode_attrs(xdr, arg->u.attrs, arg->server);
break;
default:
- *p++ = cpu_to_be32(NFS4_CREATE_EXCLUSIVE);
+ *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE);
encode_nfs4_verifier(xdr, &arg->u.verifier);
}
}
{
__be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch (arg->open_flags & O_CREAT) {
case 0:
- *p++ = cpu_to_be32(NFS4_OPEN_NOCREATE);
+ *p = cpu_to_be32(NFS4_OPEN_NOCREATE);
break;
default:
BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
- *p++ = cpu_to_be32(NFS4_OPEN_CREATE);
+ *p = cpu_to_be32(NFS4_OPEN_CREATE);
encode_createmode(xdr, arg);
}
}
{
__be32 *p;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4);
switch (delegation_type) {
case 0:
- *p++ = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE);
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE);
break;
case FMODE_READ:
- *p++ = cpu_to_be32(NFS4_OPEN_DELEGATE_READ);
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ);
break;
case FMODE_WRITE|FMODE_READ:
- *p++ = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE);
+ *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE);
break;
default:
BUG();
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_NULL);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL);
encode_string(xdr, name->len, name->name);
}
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS);
encode_delegation_type(xdr, type);
}
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
- WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
encode_string(xdr, name->len, name->name);
}
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
*p++ = cpu_to_be32(OP_OPEN_CONFIRM);
- WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
- *p++ = cpu_to_be32(arg->seqid->sequence->counter);
+ p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
hdr->nops++;
hdr->replen += decode_open_confirm_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
*p++ = cpu_to_be32(OP_OPEN_DOWNGRADE);
- WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
- *p++ = cpu_to_be32(arg->seqid->sequence->counter);
+ p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+ *p = cpu_to_be32(arg->seqid->sequence->counter);
encode_share_access(xdr, arg->fmode);
hdr->nops++;
hdr->replen += decode_open_downgrade_maxsz;
int len = fh->size;
__be32 *p;
- RESERVE_SPACE(8 + len);
+ p = reserve_space(xdr, 8 + len);
*p++ = cpu_to_be32(OP_PUTFH);
- *p++ = cpu_to_be32(len);
- WRITEMEM(fh->data, len);
+ xdr_encode_opaque(p, fh->data, len);
hdr->nops++;
hdr->replen += decode_putfh_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_PUTROOTFH);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_PUTROOTFH);
hdr->nops++;
hdr->replen += decode_putrootfh_maxsz;
}
nfs4_stateid stateid;
__be32 *p;
- RESERVE_SPACE(NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, NFS4_STATEID_SIZE);
if (ctx->state != NULL) {
nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
- WRITEMEM(stateid.data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
} else
- WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
}
static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr)
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_READ);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_READ);
encode_stateid(xdr, args->context);
- RESERVE_SPACE(12);
- WRITE64(args->offset);
- *p++ = cpu_to_be32(args->count);
+ p = reserve_space(xdr, 12);
+ p = xdr_encode_hyper(p, args->offset);
+ *p = cpu_to_be32(args->count);
hdr->nops++;
hdr->replen += decode_read_maxsz;
}
};
__be32 *p;
- RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20);
+ p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20);
*p++ = cpu_to_be32(OP_READDIR);
- WRITE64(readdir->cookie);
- WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE);
+ p = xdr_encode_hyper(p, readdir->cookie);
+ p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(readdir->count >> 1); /* We're not doing readdirplus */
*p++ = cpu_to_be32(readdir->count);
*p++ = cpu_to_be32(2);
else
attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
*p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]);
- *p++ = cpu_to_be32(attrs[1] & readdir->bitmask[1]);
+ *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]);
hdr->nops++;
hdr->replen += decode_readdir_maxsz;
dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_READLINK);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_READLINK);
hdr->nops++;
hdr->replen += decode_readlink_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8 + name->len);
+ p = reserve_space(xdr, 8 + name->len);
*p++ = cpu_to_be32(OP_REMOVE);
- *p++ = cpu_to_be32(name->len);
- WRITEMEM(name->name, name->len);
+ xdr_encode_opaque(p, name->name, name->len);
hdr->nops++;
hdr->replen += decode_remove_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(8 + oldname->len);
- *p++ = cpu_to_be32(OP_RENAME);
- *p++ = cpu_to_be32(oldname->len);
- WRITEMEM(oldname->name, oldname->len);
-
- RESERVE_SPACE(4 + newname->len);
- *p++ = cpu_to_be32(newname->len);
- WRITEMEM(newname->name, newname->len);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_RENAME);
+ encode_string(xdr, oldname->len, oldname->name);
+ encode_string(xdr, newname->len, newname->name);
hdr->nops++;
hdr->replen += decode_rename_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(12);
+ p = reserve_space(xdr, 12);
*p++ = cpu_to_be32(OP_RENEW);
- WRITE64(client_stateid->cl_clientid);
+ xdr_encode_hyper(p, client_stateid->cl_clientid);
hdr->nops++;
hdr->replen += decode_renew_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_RESTOREFH);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_RESTOREFH);
hdr->nops++;
hdr->replen += decode_restorefh_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_SETATTR);
- WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
- RESERVE_SPACE(2*4);
+ xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 2*4);
*p++ = cpu_to_be32(1);
- *p++ = cpu_to_be32(FATTR4_WORD0_ACL);
+ *p = cpu_to_be32(FATTR4_WORD0_ACL);
if (arg->acl_len % 4)
return -EINVAL;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(arg->acl_len);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(arg->acl_len);
xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
hdr->nops++;
hdr->replen += decode_setacl_maxsz;
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_SAVEFH);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_SAVEFH);
hdr->nops++;
hdr->replen += decode_savefh_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_SETATTR);
- WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE);
hdr->nops++;
hdr->replen += decode_setattr_maxsz;
encode_attrs(xdr, arg->iap, server);
{
__be32 *p;
- RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE);
+ p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(OP_SETCLIENTID);
- WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
+ xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(setclientid->sc_prog);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(setclientid->sc_prog);
encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(setclientid->sc_cb_ident);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(setclientid->sc_cb_ident);
hdr->nops++;
hdr->replen += decode_setclientid_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE);
+ p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
- WRITE64(client_state->cl_clientid);
- WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
+ p = xdr_encode_hyper(p, client_state->cl_clientid);
+ xdr_encode_opaque_fixed(p, client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
hdr->nops++;
hdr->replen += decode_setclientid_confirm_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_WRITE);
+ p = reserve_space(xdr, 4);
+ *p = cpu_to_be32(OP_WRITE);
encode_stateid(xdr, args->context);
- RESERVE_SPACE(16);
- WRITE64(args->offset);
+ p = reserve_space(xdr, 16);
+ p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->stable);
- *p++ = cpu_to_be32(args->count);
+ *p = cpu_to_be32(args->count);
xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
hdr->nops++;
{
__be32 *p;
- RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+ p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_DELEGRETURN);
- WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
+ xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
hdr->nops++;
hdr->replen += decode_delegreturn_maxsz;
}
{
__be32 *p;
- RESERVE_SPACE(4 + sizeof(args->verifier->data));
+ p = reserve_space(xdr, 4 + sizeof(args->verifier->data));
*p++ = cpu_to_be32(OP_EXCHANGE_ID);
- WRITEMEM(args->verifier->data, sizeof(args->verifier->data));
+ xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data));
encode_string(xdr, args->id_len, args->id);
- RESERVE_SPACE(12);
+ p = reserve_space(xdr, 12);
*p++ = cpu_to_be32(args->flags);
*p++ = cpu_to_be32(0); /* zero length state_protect4_a */
- *p++ = cpu_to_be32(0); /* zero length implementation id array */
+ *p = cpu_to_be32(0); /* zero length implementation id array */
hdr->nops++;
hdr->replen += decode_exchange_id_maxsz;
}
uint32_t len;
struct nfs_client *clp = args->client;
- RESERVE_SPACE(4);
- *p++ = cpu_to_be32(OP_CREATE_SESSION);
-
- RESERVE_SPACE(8);
- WRITE64(clp->cl_ex_clid);
+ len = scnprintf(machine_name, sizeof(machine_name), "%s",
+ clp->cl_ipaddr);
- RESERVE_SPACE(8);
+ p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12);
+ *p++ = cpu_to_be32(OP_CREATE_SESSION);
+ p = xdr_encode_hyper(p, clp->cl_ex_clid);
*p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */
*p++ = cpu_to_be32(args->flags); /*flags */
- RESERVE_SPACE(2*28); /* 2 channel_attrs */
/* Fore Channel */
*p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
*p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */
*p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */
*p++ = cpu_to_be32(0); /* rdmachannel_attrs */
- RESERVE_SPACE(4);
*p++ = cpu_to_be32(args->cb_program); /* cb_program */
-
- RESERVE_SPACE(4); /* # of security flavors */
*p++ = cpu_to_be32(1);
-
- RESERVE_SPACE(4);
*p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */
/* authsys_parms rfc1831 */
- RESERVE_SPACE(4);
*p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */
- len = scnprintf(machine_name, sizeof(machine_name), "%s",
- clp->cl_ipaddr);
- RESERVE_SPACE(16 + len);
- *p++ = cpu_to_be32(len);
- WRITEMEM(machine_name, len);
+ p = xdr_encode_opaque(p, machine_name, len);
*p++ = cpu_to_be32(0); /* UID */
*p++ = cpu_to_be32(0); /* GID */
- *p++ = cpu_to_be32(0); /* No more gids */
+ *p = cpu_to_be32(0); /* No more gids */
hdr->nops++;
hdr->replen += decode_create_session_maxsz;
}
struct compound_hdr *hdr)
{
__be32 *p;
- RESERVE_SPACE(4 + NFS4_MAX_SESSIONID_LEN);
+ p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN);
*p++ = cpu_to_be32(OP_DESTROY_SESSION);
- WRITEMEM(session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+ xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
hdr->nops++;
hdr->replen += decode_destroy_session_maxsz;
}
WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE);
slot = tp->slots + args->sa_slotid;
- RESERVE_SPACE(4);
+ p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16);
*p++ = cpu_to_be32(OP_SEQUENCE);
/*
((u32 *)session->sess_id.data)[3],
slot->seq_nr, args->sa_slotid,
tp->highest_used_slotid, args->sa_cache_this);
- RESERVE_SPACE(NFS4_MAX_SESSIONID_LEN + 16);
- WRITEMEM(session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+ p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
*p++ = cpu_to_be32(slot->seq_nr);
*p++ = cpu_to_be32(args->sa_slotid);
*p++ = cpu_to_be32(tp->highest_used_slotid);
- *p++ = cpu_to_be32(args->sa_cache_this);
+ *p = cpu_to_be32(args->sa_cache_this);
hdr->nops++;
hdr->replen += decode_sequence_maxsz;
#endif /* CONFIG_NFS_V4_1 */
* task to translate them into Linux-specific versions which are more
* consistent with the style used in NFSv2/v3...
*/
-#define READ32(x) (x) = ntohl(*p++)
-#define READ64(x) do { \
- (x) = (u64)ntohl(*p++) << 32; \
- (x) |= ntohl(*p++); \
-} while (0)
-#define READTIME(x) do { \
- p++; \
- (x.tv_sec) = ntohl(*p++); \
- (x.tv_nsec) = ntohl(*p++); \
-} while (0)
-#define COPYMEM(x,nbytes) do { \
- memcpy((x), p, nbytes); \
- p += XDR_QUADLEN(nbytes); \
-} while (0)
-
#define READ_BUF(nbytes) do { \
p = xdr_inline_decode(xdr, nbytes); \
if (unlikely(!p)) { \
- dprintk("nfs: %s: prematurely hit end of receive" \
- " buffer\n", __func__); \
- dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
- __func__, xdr->p, nbytes, xdr->end); \
+ print_overflow_msg(__func__, xdr); \
return -EIO; \
} \
} while (0)
+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);
+}
+
static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string)
{
__be32 *p;
READ_BUF(4);
- READ32(*len);
+ *len = be32_to_cpup(p++);
READ_BUF(*len);
*string = (char *)p;
return 0;
__be32 *p;
READ_BUF(8);
- READ32(hdr->status);
- READ32(hdr->taglen);
+ hdr->status = be32_to_cpup(p++);
+ hdr->taglen = be32_to_cpup(p++);
READ_BUF(hdr->taglen + 4);
hdr->tag = (char *)p;
p += XDR_QUADLEN(hdr->taglen);
- READ32(hdr->nops);
+ hdr->nops = be32_to_cpup(p++);
if (unlikely(hdr->nops < 1))
return nfs4_stat_to_errno(hdr->status);
return 0;
int32_t nfserr;
READ_BUF(8);
- READ32(opnum);
+ opnum = be32_to_cpup(p++);
if (opnum != expected) {
dprintk("nfs: Server returned operation"
" %d but we issued a request for %d\n",
opnum, expected);
return -EIO;
}
- READ32(nfserr);
+ nfserr = be32_to_cpup(p++);
if (nfserr != NFS_OK)
return nfs4_stat_to_errno(nfserr);
return 0;
__be32 *p;
READ_BUF(4);
- READ32(bmlen);
+ bmlen = be32_to_cpup(p++);
bitmap[0] = bitmap[1] = 0;
READ_BUF((bmlen << 2));
if (bmlen > 0) {
- READ32(bitmap[0]);
+ bitmap[0] = be32_to_cpup(p++);
if (bmlen > 1)
- READ32(bitmap[1]);
+ bitmap[1] = be32_to_cpup(p++);
}
return 0;
}
__be32 *p;
READ_BUF(4);
- READ32(*attrlen);
+ *attrlen = be32_to_cpup(p++);
*savep = xdr->p;
return 0;
}
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
READ_BUF(4);
- READ32(*type);
+ *type = be32_to_cpup(p++);
if (*type < NF4REG || *type > NF4NAMEDATTR) {
dprintk("%s: bad type %d\n", __func__, *type);
return -EIO;
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
READ_BUF(8);
- READ64(*change);
+ p = xdr_decode_hyper(p, change);
bitmap[0] &= ~FATTR4_WORD0_CHANGE;
ret = NFS_ATTR_FATTR_CHANGE;
}
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
READ_BUF(8);
- READ64(*size);
+ p = xdr_decode_hyper(p, size);
bitmap[0] &= ~FATTR4_WORD0_SIZE;
ret = NFS_ATTR_FATTR_SIZE;
}
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
READ_BUF(4);
- READ32(*res);
+ *res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
}
dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true");
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
READ_BUF(4);
- READ32(*res);
+ *res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
}
dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true");
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
READ_BUF(16);
- READ64(fsid->major);
- READ64(fsid->minor);
+ p = xdr_decode_hyper(p, &fsid->major);
+ p = xdr_decode_hyper(p, &fsid->minor);
bitmap[0] &= ~FATTR4_WORD0_FSID;
ret = NFS_ATTR_FATTR_FSID;
}
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
READ_BUF(4);
- READ32(*res);
+ *res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
}
dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
READ_BUF(4);
- READ32(*res);
+ *res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
}
dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
READ_BUF(8);
- READ64(*fileid);
+ p = xdr_decode_hyper(p, fileid);
bitmap[0] &= ~FATTR4_WORD0_FILEID;
ret = NFS_ATTR_FATTR_FILEID;
}
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) {
READ_BUF(8);
- READ64(*fileid);
+ p = xdr_decode_hyper(p, fileid);
bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
ret = NFS_ATTR_FATTR_FILEID;
}
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
}
dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
}
dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
}
dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res);
int status = 0;
READ_BUF(4);
- READ32(n);
+ n = be32_to_cpup(p++);
if (n == 0)
goto root_path;
dprintk("path ");
if (unlikely(status != 0))
goto out;
READ_BUF(4);
- READ32(n);
+ n = be32_to_cpup(p++);
if (n <= 0)
goto out_eio;
res->nlocations = 0;
struct nfs4_fs_location *loc = &res->locations[res->nlocations];
READ_BUF(4);
- READ32(m);
+ m = be32_to_cpup(p++);
loc->nservers = 0;
dprintk("%s: servers ", __func__);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
}
dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
READ_BUF(4);
- READ32(*maxlink);
+ *maxlink = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
}
dprintk("%s: maxlink=%u\n", __func__, *maxlink);
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
READ_BUF(4);
- READ32(*maxname);
+ *maxname = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
}
dprintk("%s: maxname=%u\n", __func__, *maxname);
if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
uint64_t maxread;
READ_BUF(8);
- READ64(maxread);
+ p = xdr_decode_hyper(p, &maxread);
if (maxread > 0x7FFFFFFF)
maxread = 0x7FFFFFFF;
*res = (uint32_t)maxread;
if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
uint64_t maxwrite;
READ_BUF(8);
- READ64(maxwrite);
+ p = xdr_decode_hyper(p, &maxwrite);
if (maxwrite > 0x7FFFFFFF)
maxwrite = 0x7FFFFFFF;
*res = (uint32_t)maxwrite;
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
READ_BUF(4);
- READ32(tmp);
+ tmp = be32_to_cpup(p++);
*mode = tmp & ~S_IFMT;
bitmap[1] &= ~FATTR4_WORD1_MODE;
ret = NFS_ATTR_FATTR_MODE;
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
READ_BUF(4);
- READ32(*nlink);
+ *nlink = be32_to_cpup(p++);
bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
ret = NFS_ATTR_FATTR_NLINK;
}
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
READ_BUF(len);
if (len < XDR_MAX_NETOBJ) {
if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
READ_BUF(len);
if (len < XDR_MAX_NETOBJ) {
if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
dev_t tmp;
READ_BUF(8);
- READ32(major);
- READ32(minor);
+ major = be32_to_cpup(p++);
+ minor = be32_to_cpup(p++);
tmp = MKDEV(major, minor);
if (MAJOR(tmp) == major && MINOR(tmp) == minor)
*rdev = tmp;
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
}
dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
}
dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
READ_BUF(8);
- READ64(*res);
+ p = xdr_decode_hyper(p, res);
bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
}
dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res);
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
READ_BUF(8);
- READ64(*used);
+ p = xdr_decode_hyper(p, used);
bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
ret = NFS_ATTR_FATTR_SPACE_USED;
}
uint32_t nsec;
READ_BUF(12);
- READ64(sec);
- READ32(nsec);
+ p = xdr_decode_hyper(p, &sec);
+ nsec = be32_to_cpup(p++);
time->tv_sec = (time_t)sec;
time->tv_nsec = (long)nsec;
return 0;
__be32 *p;
READ_BUF(20);
- READ32(cinfo->atomic);
- READ64(cinfo->before);
- READ64(cinfo->after);
+ cinfo->atomic = be32_to_cpup(p++);
+ p = xdr_decode_hyper(p, &cinfo->before);
+ p = xdr_decode_hyper(p, &cinfo->after);
return 0;
}
if (status)
return status;
READ_BUF(8);
- READ32(supp);
- READ32(acc);
+ supp = be32_to_cpup(p++);
+ acc = be32_to_cpup(p++);
access->supported = supp;
access->access = acc;
return 0;
}
-static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
+static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len)
{
__be32 *p;
+
+ p = xdr_inline_decode(xdr, len);
+ if (likely(p)) {
+ memcpy(buf, p, len);
+ return 0;
+ }
+ print_overflow_msg(__func__, xdr);
+ return -EIO;
+}
+
+static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
+{
+ return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
+}
+
+static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
+{
int status;
status = decode_op_hdr(xdr, OP_CLOSE);
if (status != -EIO)
nfs_increment_open_seqid(status, res->seqid);
- if (status)
- return status;
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
- return 0;
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
+}
+
+static int decode_verifier(struct xdr_stream *xdr, void *verifier)
+{
+ return decode_opaque_fixed(xdr, verifier, 8);
}
static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_COMMIT);
- if (status)
- return status;
- READ_BUF(8);
- COPYMEM(res->verf->verifier, 8);
- return 0;
+ if (!status)
+ status = decode_verifier(xdr, res->verf->verifier);
+ return status;
}
static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
if ((status = decode_change_info(xdr, cinfo)))
return status;
READ_BUF(4);
- READ32(bmlen);
+ bmlen = be32_to_cpup(p++);
READ_BUF(bmlen << 2);
return 0;
}
return status;
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
if (len > NFS4_FHSIZE)
return -EIO;
fh->size = len;
READ_BUF(len);
- COPYMEM(fh->data, len);
+ memcpy(fh->data, p, len);
return 0;
}
uint32_t namelen, type;
READ_BUF(32);
- READ64(offset);
- READ64(length);
- READ32(type);
+ p = xdr_decode_hyper(p, &offset);
+ p = xdr_decode_hyper(p, &length);
+ type = be32_to_cpup(p++);
if (fl != NULL) {
fl->fl_start = (loff_t)offset;
fl->fl_end = fl->fl_start + (loff_t)length - 1;
fl->fl_type = F_RDLCK;
fl->fl_pid = 0;
}
- READ64(clientid);
- READ32(namelen);
+ p = xdr_decode_hyper(p, &clientid);
+ namelen = be32_to_cpup(p++);
READ_BUF(namelen);
return -NFS4ERR_DENIED;
}
static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_LOCK);
if (status == -EIO)
goto out;
if (status == 0) {
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
+ status = decode_stateid(xdr, &res->stateid);
+ if (unlikely(status))
+ goto out;
} else if (status == -NFS4ERR_DENIED)
status = decode_lock_denied(xdr, NULL);
if (res->open_seqid != NULL)
static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_LOCKU);
if (status != -EIO)
nfs_increment_lock_seqid(status, res->seqid);
- if (status == 0) {
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
- }
+ if (status == 0)
+ status = decode_stateid(xdr, &res->stateid);
return status;
}
uint32_t limit_type, nblocks, blocksize;
READ_BUF(12);
- READ32(limit_type);
+ limit_type = be32_to_cpup(p++);
switch (limit_type) {
case 1:
- READ64(*maxsize);
+ p = xdr_decode_hyper(p, maxsize);
break;
case 2:
- READ32(nblocks);
- READ32(blocksize);
+ nblocks = be32_to_cpup(p++);
+ blocksize = be32_to_cpup(p++);
*maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
}
return 0;
{
__be32 *p;
uint32_t delegation_type;
+ int status;
READ_BUF(4);
- READ32(delegation_type);
+ delegation_type = be32_to_cpup(p++);
if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
res->delegation_type = 0;
return 0;
}
- READ_BUF(NFS4_STATEID_SIZE+4);
- COPYMEM(res->delegation.data, NFS4_STATEID_SIZE);
- READ32(res->do_recall);
+ status = decode_stateid(xdr, &res->delegation);
+ if (unlikely(status))
+ return status;
+ READ_BUF(4);
+ res->do_recall = be32_to_cpup(p++);
switch (delegation_type) {
case NFS4_OPEN_DELEGATE_READ:
status = decode_op_hdr(xdr, OP_OPEN);
if (status != -EIO)
nfs_increment_open_seqid(status, res->seqid);
- if (status)
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ if (unlikely(status))
return status;
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
decode_change_info(xdr, &res->cinfo);
READ_BUF(8);
- READ32(res->rflags);
- READ32(bmlen);
+ res->rflags = be32_to_cpup(p++);
+ bmlen = be32_to_cpup(p++);
if (bmlen > 10)
goto xdr_error;
READ_BUF(bmlen << 2);
savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE);
for (i = 0; i < savewords; ++i)
- READ32(res->attrset[i]);
+ res->attrset[i] = be32_to_cpup(p++);
for (; i < NFS4_BITMAP_SIZE; i++)
res->attrset[i] = 0;
static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
if (status != -EIO)
nfs_increment_open_seqid(status, res->seqid);
- if (status)
- return status;
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
- return 0;
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
}
static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
if (status != -EIO)
nfs_increment_open_seqid(status, res->seqid);
- if (status)
- return status;
- READ_BUF(NFS4_STATEID_SIZE);
- COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
- return 0;
+ if (!status)
+ status = decode_stateid(xdr, &res->stateid);
+ return status;
}
static int decode_putfh(struct xdr_stream *xdr)
if (status)
return status;
READ_BUF(8);
- READ32(eof);
- READ32(count);
+ eof = be32_to_cpup(p++);
+ count = be32_to_cpup(p++);
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
recvd = req->rq_rcv_buf.len - hdrlen;
if (count > recvd) {
int status;
status = decode_op_hdr(xdr, OP_READDIR);
- if (status)
+ if (!status)
+ status = decode_verifier(xdr, readdir->verifier.data);
+ if (unlikely(status))
return status;
- READ_BUF(8);
- COPYMEM(readdir->verifier.data, 8);
dprintk("%s: verifier = %08x:%08x\n",
__func__,
((u32 *)readdir->verifier.data)[0],
((u32 *)readdir->verifier.data)[1]);
- hdrlen = (char *) p - (char *) iov->iov_base;
+ hdrlen = (char *) xdr->p - (char *) iov->iov_base;
recvd = rcvbuf->len - hdrlen;
if (pglen > recvd)
pglen = recvd;
/* Convert length of symlink */
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
if (len >= rcvbuf->page_len || len <= 0) {
dprintk("nfs: server returned giant symlink!\n");
return -ENAMETOOLONG;
if (status)
return status;
READ_BUF(4);
- READ32(bmlen);
+ bmlen = be32_to_cpup(p++);
READ_BUF(bmlen << 2);
return 0;
}
int32_t nfserr;
READ_BUF(8);
- READ32(opnum);
+ opnum = be32_to_cpup(p++);
if (opnum != OP_SETCLIENTID) {
dprintk("nfs: decode_setclientid: Server returned operation"
" %d\n", opnum);
return -EIO;
}
- READ32(nfserr);
+ nfserr = be32_to_cpup(p++);
if (nfserr == NFS_OK) {
READ_BUF(8 + NFS4_VERIFIER_SIZE);
- READ64(clp->cl_clientid);
- COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE);
+ p = xdr_decode_hyper(p, &clp->cl_clientid);
+ memcpy(clp->cl_confirm.data, p, NFS4_VERIFIER_SIZE);
} else if (nfserr == NFSERR_CLID_INUSE) {
uint32_t len;
/* skip netid string */
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
READ_BUF(len);
/* skip uaddr string */
READ_BUF(4);
- READ32(len);
+ len = be32_to_cpup(p++);
READ_BUF(len);
return -NFSERR_CLID_INUSE;
} else
return status;
READ_BUF(16);
- READ32(res->count);
- READ32(res->verf->committed);
- COPYMEM(res->verf->verifier, 8);
+ res->count = be32_to_cpup(p++);
+ res->verf->committed = be32_to_cpup(p++);
+ memcpy(res->verf->verifier, p, 8);
return 0;
}
{
__be32 *p;
uint32_t dummy;
+ char *dummy_str;
int status;
struct nfs_client *clp = res->client;
return status;
READ_BUF(8);
- READ64(clp->cl_ex_clid);
+ p = xdr_decode_hyper(p, &clp->cl_ex_clid);
READ_BUF(12);
- READ32(clp->cl_seqid);
- READ32(clp->cl_exchange_flags);
+ clp->cl_seqid = be32_to_cpup(p++);
+ clp->cl_exchange_flags = be32_to_cpup(p++);
/* We ask for SP4_NONE */
- READ32(dummy);
+ dummy = be32_to_cpup(p++);
if (dummy != SP4_NONE)
return -EIO;
READ_BUF(8);
/* Throw away Major id */
- READ_BUF(4);
- READ32(dummy);
- READ_BUF(dummy);
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
/* Throw away server_scope */
- READ_BUF(4);
- READ32(dummy);
- READ_BUF(dummy);
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
/* Throw away Implementation id array */
- READ_BUF(4);
- READ32(dummy);
- READ_BUF(dummy);
+ status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+ if (unlikely(status))
+ return status;
return 0;
}
u32 nr_attrs;
READ_BUF(28);
- READ32(attrs->headerpadsz);
- READ32(attrs->max_rqst_sz);
- READ32(attrs->max_resp_sz);
- READ32(attrs->max_resp_sz_cached);
- READ32(attrs->max_ops);
- READ32(attrs->max_reqs);
- READ32(nr_attrs);
+ attrs->headerpadsz = be32_to_cpup(p++);
+ attrs->max_rqst_sz = be32_to_cpup(p++);
+ attrs->max_resp_sz = be32_to_cpup(p++);
+ attrs->max_resp_sz_cached = be32_to_cpup(p++);
+ attrs->max_ops = be32_to_cpup(p++);
+ attrs->max_reqs = be32_to_cpup(p++);
+ nr_attrs = be32_to_cpup(p++);
if (unlikely(nr_attrs > 1)) {
printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n",
__func__, nr_attrs);
return 0;
}
+static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid)
+{
+ return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN);
+}
+
static int decode_create_session(struct xdr_stream *xdr,
struct nfs41_create_session_res *res)
{
struct nfs4_session *session = clp->cl_session;
status = decode_op_hdr(xdr, OP_CREATE_SESSION);
-
- if (status)
+ if (!status)
+ status = decode_sessionid(xdr, &session->sess_id);
+ if (unlikely(status))
return status;
- /* sessionid */
- READ_BUF(NFS4_MAX_SESSIONID_LEN);
- COPYMEM(&session->sess_id, NFS4_MAX_SESSIONID_LEN);
-
/* seqid, flags */
READ_BUF(8);
- READ32(clp->cl_seqid);
- READ32(session->flags);
+ clp->cl_seqid = be32_to_cpup(p++);
+ session->flags = be32_to_cpup(p++);
/* Channel attributes */
status = decode_chan_attrs(xdr, &session->fc_attrs);
return 0;
status = decode_op_hdr(xdr, OP_SEQUENCE);
- if (status)
+ if (!status)
+ status = decode_sessionid(xdr, &id);
+ if (unlikely(status))
goto out_err;
/*
*/
status = -ESERVERFAULT;
- slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
- READ_BUF(NFS4_MAX_SESSIONID_LEN + 20);
- COPYMEM(id.data, NFS4_MAX_SESSIONID_LEN);
if (memcmp(id.data, res->sr_session->sess_id.data,
NFS4_MAX_SESSIONID_LEN)) {
dprintk("%s Invalid session id\n", __func__);
goto out_err;
}
+
+ READ_BUF(20);
+
/* seqid */
- READ32(dummy);
+ slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
+ dummy = be32_to_cpup(p++);
if (dummy != slot->seq_nr) {
dprintk("%s Invalid sequence number\n", __func__);
goto out_err;
}
/* slot id */
- READ32(dummy);
+ dummy = be32_to_cpup(p++);
if (dummy != res->sr_slotid) {
dprintk("%s Invalid slot id\n", __func__);
goto out_err;
}
/* highest slot id - currently not processed */
- READ32(dummy);
+ dummy = be32_to_cpup(p++);
/* target highest slot id - currently not processed */
- READ32(dummy);
+ dummy = be32_to_cpup(p++);
/* result flags - currently not processed */
- READ32(dummy);
+ dummy = be32_to_cpup(p++);
status = 0;
out_err:
res->sr_status = status;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff