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Commit 586f3673 authored by J. Bruce Fields's avatar J. Bruce Fields Committed by J. Bruce Fields
Browse files

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: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 07263f1e

fs/nfsd/nfs4callback.c

+15 −15
Original line number Diff line number Diff line
@@ -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) {

fs/nfsd/state.h

+3 −8
Original line number Diff line number Diff line
@@ -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;

	struct nfs4_client	*args_clp;

	u32			args_minorversion;

};



struct nfsd4_callback {