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SUNRPC: Add svc_rqst::rq_auth_stat

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[ Upstream commit 438623a06bacd69c40c4af633bb09a3bbb9dfc78 ]

I'd like to take commit 4532608d71 ("SUNRPC: Clean up generic
dispatcher code") even further by using only private local SVC
dispatchers for all kernel RPC services. This change would enable
the removal of the logic that switches between
svc_generic_dispatch() and a service's private dispatcher, and
simplify the invocation of the service's pc_release method
so that humans can visually verify that it is always invoked
properly.

All that will come later.

First, let's provide a better way to return authentication errors
from SVC dispatcher functions. Instead of overloading the dispatch
method's *statp argument, add a field to struct svc_rqst that can
hold an error value.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever
2021-07-15 15:52:06 -04:00
committed by Greg Kroah-Hartman
parent efea5d558e
commit a96da583ff
7 changed files with 46 additions and 45 deletions
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4
include/linux/sunrpc/svcauth.h
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@@ -127,7 +127,7 @@ struct auth_ops {
char * name;
struct module *owner;
int flavour;
int (*accept)(struct svc_rqst *rq, __be32 *authp);
int (*accept)(struct svc_rqst *rq);
int (*release)(struct svc_rqst *rq);
void (*domain_release)(struct auth_domain *);
int (*set_client)(struct svc_rqst *rq);
@@ -149,7 +149,7 @@ struct auth_ops {
struct svc_xprt;
extern int svc_authenticate(struct svc_rqst *rqstp, __be32 *authp);
extern int svc_authenticate(struct svc_rqst *rqstp);
extern int svc_authorise(struct svc_rqst *rqstp);
extern int svc_set_client(struct svc_rqst *rqstp);
extern int svc_auth_register(rpc_authflavor_t flavor, struct auth_ops *aops);