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>
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07263f1efe
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@ -247,7 +247,7 @@ encode_cb_recall(struct xdr_stream *xdr, struct nfs4_delegation *dp,
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}
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static void
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encode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *args,
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encode_cb_sequence(struct xdr_stream *xdr, struct nfs4_rpc_args *args,
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struct nfs4_cb_compound_hdr *hdr)
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{
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__be32 *p;
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@ -258,8 +258,8 @@ encode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *args,
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RESERVE_SPACE(1 + NFS4_MAX_SESSIONID_LEN + 20);
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WRITE32(OP_CB_SEQUENCE);
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WRITEMEM(args->cbs_clp->cl_sessionid.data, NFS4_MAX_SESSIONID_LEN);
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WRITE32(args->cbs_clp->cl_cb_seq_nr);
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WRITEMEM(args->args_clp->cl_sessionid.data, NFS4_MAX_SESSIONID_LEN);
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WRITE32(args->args_clp->cl_cb_seq_nr);
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WRITE32(0); /* slotid, always 0 */
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WRITE32(0); /* highest slotid always 0 */
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WRITE32(0); /* cachethis always 0 */
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@ -285,12 +285,12 @@ nfs4_xdr_enc_cb_recall(struct rpc_rqst *req, __be32 *p,
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struct nfs4_delegation *args = rpc_args->args_op;
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struct nfs4_cb_compound_hdr hdr = {
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.ident = args->dl_ident,
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.minorversion = rpc_args->args_seq.cbs_minorversion,
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.minorversion = rpc_args->args_minorversion,
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};
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xdr_init_encode(&xdr, &req->rq_snd_buf, p);
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encode_cb_compound_hdr(&xdr, &hdr);
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encode_cb_sequence(&xdr, &rpc_args->args_seq, &hdr);
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encode_cb_sequence(&xdr, rpc_args, &hdr);
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encode_cb_recall(&xdr, args, &hdr);
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encode_cb_nops(&hdr);
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return 0;
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@ -338,7 +338,7 @@ decode_cb_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
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* with a single slot.
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*/
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static int
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decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
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decode_cb_sequence(struct xdr_stream *xdr, struct nfs4_rpc_args *res,
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struct rpc_rqst *rqstp)
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{
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struct nfs4_sessionid id;
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@ -346,7 +346,7 @@ decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
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u32 dummy;
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__be32 *p;
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if (res->cbs_minorversion == 0)
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if (res->args_minorversion == 0)
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return 0;
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status = decode_cb_op_hdr(xdr, OP_CB_SEQUENCE);
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@ -362,13 +362,13 @@ decode_cb_sequence(struct xdr_stream *xdr, struct nfsd4_cb_sequence *res,
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READ_BUF(NFS4_MAX_SESSIONID_LEN + 16);
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memcpy(id.data, p, NFS4_MAX_SESSIONID_LEN);
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p += XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN);
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if (memcmp(id.data, res->cbs_clp->cl_sessionid.data,
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if (memcmp(id.data, res->args_clp->cl_sessionid.data,
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NFS4_MAX_SESSIONID_LEN)) {
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dprintk("%s Invalid session id\n", __func__);
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goto out;
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}
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READ32(dummy);
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if (dummy != res->cbs_clp->cl_cb_seq_nr) {
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if (dummy != res->args_clp->cl_cb_seq_nr) {
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dprintk("%s Invalid sequence number\n", __func__);
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goto out;
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}
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@ -392,7 +392,7 @@ nfs4_xdr_dec_cb_null(struct rpc_rqst *req, __be32 *p)
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static int
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nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp, __be32 *p,
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struct nfsd4_cb_sequence *seq)
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struct nfs4_rpc_args *args)
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{
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struct xdr_stream xdr;
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struct nfs4_cb_compound_hdr hdr;
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@ -402,8 +402,8 @@ nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp, __be32 *p,
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status = decode_cb_compound_hdr(&xdr, &hdr);
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if (status)
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goto out;
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if (seq) {
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status = decode_cb_sequence(&xdr, seq, rqstp);
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if (args) {
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status = decode_cb_sequence(&xdr, args, rqstp);
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if (status)
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goto out;
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}
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@ -603,8 +603,8 @@ static int nfsd41_cb_setup_sequence(struct nfs4_client *clp,
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* We'll need the clp during XDR encoding and decoding,
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* and the sequence during decoding to verify the reply
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*/
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args->args_seq.cbs_clp = clp;
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task->tk_msg.rpc_resp = &args->args_seq;
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args->args_clp = clp;
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task->tk_msg.rpc_resp = args;
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out:
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dprintk("%s status=%d\n", __func__, status);
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@ -623,7 +623,7 @@ static void nfsd4_cb_prepare(struct rpc_task *task, void *calldata)
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u32 minorversion = clp->cl_cb_conn.cb_minorversion;
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int status = 0;
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args->args_seq.cbs_minorversion = minorversion;
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args->args_minorversion = minorversion;
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if (minorversion) {
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status = nfsd41_cb_setup_sequence(clp, task);
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if (status) {
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@ -64,15 +64,10 @@ typedef struct {
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(s)->si_fileid, \
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(s)->si_generation
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struct nfsd4_cb_sequence {
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/* args/res */
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u32 cbs_minorversion;
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struct nfs4_client *cbs_clp;
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};
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struct nfs4_rpc_args {
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void *args_op;
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struct nfsd4_cb_sequence args_seq;
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void *args_op;
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struct nfs4_client *args_clp;
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u32 args_minorversion;
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};
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struct nfsd4_callback {
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