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nfsd4: combine nfs4_rpc_args and nfsd4_cb_sequence 

These two structs don't really need to be distinct as far as I can tell.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2010-05-26 17:40:53 -04:00 committed by J. Bruce Fields
parent 07263f1efe
commit 586f36735e
2 changed files with 18 additions and 23 deletions
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30
fs/nfsd/nfs4callback.c
View File

@ -247,7 +247,7 @@ encode_cb_recall(struct xdr_stream *xdr, struct nfs4_delegation *dp,
}
static void
encode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *args,
encode_cb_sequence(struct xdr_stream *xdr, struct nfs4_rpc_args *args,
struct nfs4_cb_compound_hdr *hdr)
{
__be32 *p;
@ -258,8 +258,8 @@ encode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *args,
RESERVE_SPACE(1 + NFS4_MAX_SESSIONID_LEN + 20);
WRITE32(OP_CB_SEQUENCE);
WRITEMEM(args->cbs_clp->cl_sessionid.data, NFS4_MAX_SESSIONID_LEN);
WRITE32(args->cbs_clp->cl_cb_seq_nr);
WRITEMEM(args->args_clp->cl_sessionid.data, NFS4_MAX_SESSIONID_LEN);
WRITE32(args->args_clp->cl_cb_seq_nr);
WRITE32(0); /* slotid, always 0 */
WRITE32(0); /* highest slotid always 0 */
WRITE32(0); /* cachethis always 0 */
@ -285,12 +285,12 @@ nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, __be32 *p,
struct nfs4_delegation *args = rpc_args->args_op;
struct nfs4_cb_compound_hdr hdr = {
.ident = args->dl_ident,
.minorversion = rpc_args->args_seq.cbs_minorversion,
.minorversion = rpc_args->args_minorversion,
};
xdr_init_encode(&xdr, &req->rq_snd_buf, p);
encode_cb_compound_hdr(&xdr, &hdr);
encode_cb_sequence(&xdr, &rpc_args->args_seq, &hdr);
encode_cb_sequence(&xdr, rpc_args, &hdr);
encode_cb_recall(&xdr, args, &hdr);
encode_cb_nops(&hdr);
return 0;
@ -338,7 +338,7 @@ decode_cb_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
* with a single slot.
*/
static int
decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
decode_cb_sequence(struct xdr_stream *xdr, struct nfs4_rpc_args *res,
struct rpc_rqst *rqstp)
{
struct nfs4_sessionid id;
@ -346,7 +346,7 @@ decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
u32 dummy;
__be32 *p;
if (res->cbs_minorversion == 0)
if (res->args_minorversion == 0)
return 0;
status = decode_cb_op_hdr(xdr, OP_CB_SEQUENCE);
@ -362,13 +362,13 @@ decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
READ_BUF(NFS4_MAX_SESSIONID_LEN + 16);
memcpy(id.data, p, NFS4_MAX_SESSIONID_LEN);
p += XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN);
if (memcmp(id.data, res->cbs_clp->cl_sessionid.data,
if (memcmp(id.data, res->args_clp->cl_sessionid.data,
NFS4_MAX_SESSIONID_LEN)) {
dprintk("%s Invalid session id\n", __func__);
goto out;
}
READ32(dummy);
if (dummy != res->cbs_clp->cl_cb_seq_nr) {
if (dummy != res->args_clp->cl_cb_seq_nr) {
dprintk("%s Invalid sequence number\n", __func__);
goto out;
}
@ -392,7 +392,7 @@ nfs4_xdr_dec_cb_null(struct rpc_rqst *req, __be32 *p)
static int
nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp, __be32 *p,
struct nfsd4_cb_sequence *seq)
struct nfs4_rpc_args *args)
{
struct xdr_stream xdr;
struct nfs4_cb_compound_hdr hdr;
@ -402,8 +402,8 @@ nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp, __be32 *p,
status = decode_cb_compound_hdr(&xdr, &hdr);
if (status)
goto out;
if (seq) {
status = decode_cb_sequence(&xdr, seq, rqstp);
if (args) {
status = decode_cb_sequence(&xdr, args, rqstp);
if (status)
goto out;
}
@ -603,8 +603,8 @@ static int nfsd41_cb_setup_sequence(struct nfs4_client *clp,
* We'll need the clp during XDR encoding and decoding,
* and the sequence during decoding to verify the reply
*/
args->args_seq.cbs_clp = clp;
task->tk_msg.rpc_resp = &args->args_seq;
args->args_clp = clp;
task->tk_msg.rpc_resp = args;
out:
dprintk("%s status=%d\n", __func__, status);
@ -623,7 +623,7 @@ static void nfsd4_cb_prepare(struct rpc_task *task, void *calldata)
u32 minorversion = clp->cl_cb_conn.cb_minorversion;
int status = 0;
args->args_seq.cbs_minorversion = minorversion;
args->args_minorversion = minorversion;
if (minorversion) {
status = nfsd41_cb_setup_sequence(clp, task);
if (status) {

11
fs/nfsd/state.h
View File

@ -64,15 +64,10 @@ typedef struct {
(s)->si_fileid, \
(s)->si_generation
struct nfsd4_cb_sequence {
/* args/res */
u32 cbs_minorversion;
struct nfs4_client *cbs_clp;
};
struct nfs4_rpc_args {
void *args_op;
struct nfsd4_cb_sequence args_seq;
void *args_op;
struct nfs4_client *args_clp;
u32 args_minorversion;
};
struct nfsd4_callback {