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nfs: nfs4xdr: change RESERVE_SPACE macro into a static helper 

In order to open code and expose the result pointer assignment.

Alternatively, we can open code the call to xdr_reserve_space
and do the BUG_ON an the error case at the call site.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Benny Halevy 2009-08-14 17:19:25 +03:00 committed by Trond Myklebust
parent 2220f13a8b
commit 13c65ce900
1 changed files with 65 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

138
fs/nfs/nfs4xdr.c
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@ -702,20 +702,12 @@ struct compound_hdr {
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 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)
{
@ -740,7 +732,7 @@ static void encode_compound_hdr(struct xdr_stream *xdr,
dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
RESERVE_SPACE(12 + hdr->taglen);
p = reserve_space(xdr, 12 + hdr->taglen);
*p++ = cpu_to_be32(hdr->taglen);
p = xdr_encode_opaque_fixed(p, hdr->tag, hdr->taglen);
*p++ = cpu_to_be32(hdr->minorversion);
@ -820,7 +812,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
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
@ -891,7 +883,7 @@ static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hd
{
__be32 *p;
RESERVE_SPACE(8);
p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(OP_ACCESS);
*p++ = cpu_to_be32(access);
hdr->nops++;
@ -902,7 +894,7 @@ static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg
{
__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);
p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
@ -914,7 +906,7 @@ static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *ar
{
__be32 *p;
RESERVE_SPACE(16);
p = reserve_space(xdr, 16);
*p++ = cpu_to_be32(OP_COMMIT);
p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->count);
@ -926,19 +918,19 @@ static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *
{
__be32 *p;
RESERVE_SPACE(8);
p = reserve_space(xdr, 8);
*p++ = cpu_to_be32(OP_CREATE);
*p++ = cpu_to_be32(create->ftype);
switch (create->ftype) {
case NF4LNK:
RESERVE_SPACE(4);
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);
break;
@ -947,7 +939,7 @@ static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *
break;
}
RESERVE_SPACE(4 + create->name->len);
p = reserve_space(xdr, 4 + create->name->len);
*p++ = cpu_to_be32(create->name->len);
p = xdr_encode_opaque_fixed(p, create->name->name, create->name->len);
hdr->nops++;
@ -960,7 +952,7 @@ static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct c
{
__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);
@ -972,7 +964,7 @@ static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm
{
__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);
@ -1003,7 +995,7 @@ static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_GETFH);
hdr->nops++;
hdr->replen += decode_getfh_maxsz;
@ -1013,7 +1005,7 @@ static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct
{
__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);
p = xdr_encode_opaque_fixed(p, name->name, name->len);
@ -1043,7 +1035,7 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
{
__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);
@ -1051,7 +1043,7 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
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);
p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(args->lock_seqid->sequence->counter);
@ -1061,7 +1053,7 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
p = xdr_encode_hyper(p, args->lock_owner.id);
}
else {
RESERVE_SPACE(NFS4_STATEID_SIZE+4);
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);
}
@ -1073,7 +1065,7 @@ static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *ar
{
__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));
p = xdr_encode_hyper(p, args->fl->fl_start);
@ -1090,7 +1082,7 @@ static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *ar
{
__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);
@ -1106,7 +1098,7 @@ static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struc
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);
p = xdr_encode_opaque_fixed(p, name->name, len);
@ -1118,7 +1110,7 @@ static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
{
__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);
@ -1142,11 +1134,11 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
* 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);
encode_share_access(xdr, arg->fmode);
RESERVE_SPACE(28);
p = reserve_space(xdr, 28);
p = xdr_encode_hyper(p, arg->clientid);
*p++ = cpu_to_be32(16);
p = xdr_encode_opaque_fixed(p, "open id:", 8);
@ -1157,7 +1149,7 @@ static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_op
{
__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);
@ -1173,7 +1165,7 @@ static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *a
{
__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);
@ -1189,7 +1181,7 @@ static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delega
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
switch (delegation_type) {
case 0:
*p++ = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE);
@ -1209,7 +1201,7 @@ static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(NFS4_OPEN_CLAIM_NULL);
encode_string(xdr, name->len, name->name);
}
@ -1218,7 +1210,7 @@ static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type)
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS);
encode_delegation_type(xdr, type);
}
@ -1227,7 +1219,7 @@ static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struc
{
__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);
p = xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
encode_string(xdr, name->len, name->name);
@ -1258,7 +1250,7 @@ static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_co
{
__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);
p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(arg->seqid->sequence->counter);
@ -1270,7 +1262,7 @@ static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_close
{
__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);
p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(arg->seqid->sequence->counter);
@ -1285,7 +1277,7 @@ encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hd
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);
p = xdr_encode_opaque_fixed(p, fh->data, len);
@ -1297,7 +1289,7 @@ static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_PUTROOTFH);
hdr->nops++;
hdr->replen += decode_putrootfh_maxsz;
@ -1308,7 +1300,7 @@ static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context
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);
p = xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
@ -1320,12 +1312,12 @@ static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args,
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_READ);
encode_stateid(xdr, args->context);
RESERVE_SPACE(12);
p = reserve_space(xdr, 12);
p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->count);
hdr->nops++;
@ -1340,7 +1332,7 @@ static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
};
__be32 *p;
RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20);
p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20);
*p++ = cpu_to_be32(OP_READDIR);
p = xdr_encode_hyper(p, readdir->cookie);
p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE);
@ -1369,7 +1361,7 @@ static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_READLINK);
hdr->nops++;
hdr->replen += decode_readlink_maxsz;
@ -1379,7 +1371,7 @@ static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struc
{
__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);
p = xdr_encode_opaque_fixed(p, name->name, name->len);
@ -1391,12 +1383,12 @@ static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, co
{
__be32 *p;
RESERVE_SPACE(8 + oldname->len);
p = reserve_space(xdr, 8 + oldname->len);
*p++ = cpu_to_be32(OP_RENAME);
*p++ = cpu_to_be32(oldname->len);
p = xdr_encode_opaque_fixed(p, oldname->name, oldname->len);
RESERVE_SPACE(4 + newname->len);
p = reserve_space(xdr, 4 + newname->len);
*p++ = cpu_to_be32(newname->len);
p = xdr_encode_opaque_fixed(p, newname->name, newname->len);
hdr->nops++;
@ -1407,7 +1399,7 @@ static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client
{
__be32 *p;
RESERVE_SPACE(12);
p = reserve_space(xdr, 12);
*p++ = cpu_to_be32(OP_RENEW);
p = xdr_encode_hyper(p, client_stateid->cl_clientid);
hdr->nops++;
@ -1419,7 +1411,7 @@ encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_RESTOREFH);
hdr->nops++;
hdr->replen += decode_restorefh_maxsz;
@ -1430,15 +1422,15 @@ encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compoun
{
__be32 *p;
RESERVE_SPACE(4+NFS4_STATEID_SIZE);
p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_SETATTR);
p = xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
RESERVE_SPACE(2*4);
p = reserve_space(xdr, 2*4);
*p++ = cpu_to_be32(1);
*p++ = cpu_to_be32(FATTR4_WORD0_ACL);
if (arg->acl_len % 4)
return -EINVAL;
RESERVE_SPACE(4);
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++;
@ -1451,7 +1443,7 @@ encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_SAVEFH);
hdr->nops++;
hdr->replen += decode_savefh_maxsz;
@ -1461,7 +1453,7 @@ static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs
{
__be32 *p;
RESERVE_SPACE(4+NFS4_STATEID_SIZE);
p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_SETATTR);
p = xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE);
hdr->nops++;
@ -1473,16 +1465,16 @@ static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclie
{
__be32 *p;
RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE);
p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(OP_SETCLIENTID);
p = 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 = 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 = reserve_space(xdr, 4);
*p++ = cpu_to_be32(setclientid->sc_cb_ident);
hdr->nops++;
hdr->replen += decode_setclientid_maxsz;
@ -1492,7 +1484,7 @@ static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_
{
__be32 *p;
RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE);
p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE);
*p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
p = xdr_encode_hyper(p, client_state->cl_clientid);
p = xdr_encode_opaque_fixed(p, client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
@ -1504,12 +1496,12 @@ static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *arg
{
__be32 *p;
RESERVE_SPACE(4);
p = reserve_space(xdr, 4);
*p++ = cpu_to_be32(OP_WRITE);
encode_stateid(xdr, args->context);
RESERVE_SPACE(16);
p = reserve_space(xdr, 16);
p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->stable);
*p++ = cpu_to_be32(args->count);
@ -1523,7 +1515,7 @@ static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *state
{
__be32 *p;
RESERVE_SPACE(4+NFS4_STATEID_SIZE);
p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
*p++ = cpu_to_be32(OP_DELEGRETURN);
p = xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
@ -1539,13 +1531,13 @@ static void encode_exchange_id(struct xdr_stream *xdr,
{
__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);
p = 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 */
@ -1565,7 +1557,7 @@ static void encode_create_session(struct xdr_stream *xdr,
len = scnprintf(machine_name, sizeof(machine_name), "%s",
clp->cl_ipaddr);
RESERVE_SPACE(20 + 2*28 + 20 + len + 12);
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 */
@ -1609,7 +1601,7 @@ static void encode_destroy_session(struct xdr_stream *xdr,
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);
p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
hdr->nops++;
@ -1635,7 +1627,7 @@ static void encode_sequence(struct xdr_stream *xdr,
WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE);
slot = tp->slots + args->sa_slotid;
RESERVE_SPACE(4 + NFS4_MAX_SESSIONID_LEN + 16);
p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16);
*p++ = cpu_to_be32(OP_SEQUENCE);
/*