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SUNRPC: New xdr_streams XDR decoder API

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Now that all client-side XDR decoder routines use xdr_streams, there
should be no need to support the legacy calling sequence [rpc_rqst *,
__be32 *, RPC res *] anywhere.  We can construct an xdr_stream in the
generic RPC code, instead of in each decoder function.

This is a refactoring change.  It should not cause different behavior.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2010-12-14 14:59:29 +00:00
committed by Trond Myklebust
parent 9f06c719f4
commit bf2695516d
15 changed files with 518 additions and 566 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/sunrpc/auth.h
+2 -2
View File
@@ -112,7 +112,7 @@ struct rpc_credops {
__be32 * (*crvalidate)(struct rpc_task *, __be32 *);
int (*crwrap_req)(struct rpc_task *, kxdreproc_t,
void *, __be32 *, void *);
int (*crunwrap_resp)(struct rpc_task *, kxdrproc_t,
int (*crunwrap_resp)(struct rpc_task *, kxdrdproc_t,
void *, __be32 *, void *);
};
@@ -140,7 +140,7 @@ void put_rpccred(struct rpc_cred *);
__be32 * rpcauth_marshcred(struct rpc_task *, __be32 *);
__be32 * rpcauth_checkverf(struct rpc_task *, __be32 *);
int rpcauth_wrap_req(struct rpc_task *task, kxdreproc_t encode, void *rqstp, __be32 *data, void *obj);
int rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, __be32 *data, void *obj);
int rpcauth_unwrap_resp(struct rpc_task *task, kxdrdproc_t decode, void *rqstp, __be32 *data, void *obj);
int rpcauth_refreshcred(struct rpc_task *);
void rpcauth_invalcred(struct rpc_task *);
int rpcauth_uptodatecred(struct rpc_task *);
include/linux/sunrpc/clnt.h
+1 -1
View File
@@ -90,7 +90,7 @@ struct rpc_version {
struct rpc_procinfo {
u32 p_proc; /* RPC procedure number */
kxdreproc_t p_encode; /* XDR encode function */
kxdrproc_t p_decode; /* XDR decode function */
kxdrdproc_t p_decode; /* XDR decode function */
unsigned int p_arglen; /* argument hdr length (u32) */
unsigned int p_replen; /* reply hdr length (u32) */
unsigned int p_count; /* call count */
include/linux/sunrpc/xdr.h
+2 -1
View File
@@ -204,9 +204,10 @@ struct xdr_stream {
};
/*
* This is the xdr_stream style generic XDR function.
* These are the xdr_stream style generic XDR encode and decode functions.
*/
typedef void (*kxdreproc_t)(void *rqstp, struct xdr_stream *xdr, void *obj);
typedef int (*kxdrdproc_t)(void *rqstp, struct xdr_stream *xdr, void *obj);
extern void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p);
extern __be32 *xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes);