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Diffstat (limited to 'net/sunrpc/auth.c')
-rw-r--r--net/sunrpc/auth.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index fb75a883503f..5a827afd8e3b 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -32,7 +32,7 @@ static unsigned int auth_hashbits = RPC_CREDCACHE_DEFAULT_HASHBITS;
static const struct rpc_authops __rcu *auth_flavors[RPC_AUTH_MAXFLAVOR] = {
[RPC_AUTH_NULL] = (const struct rpc_authops __force __rcu *)&authnull_ops,
[RPC_AUTH_UNIX] = (const struct rpc_authops __force __rcu *)&authunix_ops,
- NULL, /* others can be loadable modules */
+ [RPC_AUTH_TLS] = (const struct rpc_authops __force __rcu *)&authtls_ops,
};
static LIST_HEAD(cred_unused);
@@ -40,9 +40,6 @@ static unsigned long number_cred_unused;
static struct cred machine_cred = {
.usage = ATOMIC_INIT(1),
-#ifdef CONFIG_DEBUG_CREDENTIALS
- .magic = CRED_MAGIC,
-#endif
};
/*
@@ -492,7 +489,7 @@ static unsigned long
rpcauth_cache_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
{
- return number_cred_unused * sysctl_vfs_cache_pressure / 100;
+ return number_cred_unused;
}
static void
@@ -769,9 +766,14 @@ int rpcauth_wrap_req(struct rpc_task *task, struct xdr_stream *xdr)
* @task: controlling RPC task
* @xdr: xdr_stream containing RPC Reply header
*
- * On success, @xdr is updated to point past the verifier and
- * zero is returned. Otherwise, @xdr is in an undefined state
- * and a negative errno is returned.
+ * Return values:
+ * %0: Verifier is valid. @xdr now points past the verifier.
+ * %-EIO: Verifier is corrupted or message ended early.
+ * %-EACCES: Verifier is intact but not valid.
+ * %-EPROTONOSUPPORT: Server does not support the requested auth type.
+ *
+ * When a negative errno is returned, @xdr is left in an undefined
+ * state.
*/
int
rpcauth_checkverf(struct rpc_task *task, struct xdr_stream *xdr)
@@ -861,11 +863,7 @@ rpcauth_uptodatecred(struct rpc_task *task)
test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0;
}
-static struct shrinker rpc_cred_shrinker = {
- .count_objects = rpcauth_cache_shrink_count,
- .scan_objects = rpcauth_cache_shrink_scan,
- .seeks = DEFAULT_SEEKS,
-};
+static struct shrinker *rpc_cred_shrinker;
int __init rpcauth_init_module(void)
{
@@ -874,9 +872,17 @@ int __init rpcauth_init_module(void)
err = rpc_init_authunix();
if (err < 0)
goto out1;
- err = register_shrinker(&rpc_cred_shrinker, "sunrpc_cred");
- if (err < 0)
+ rpc_cred_shrinker = shrinker_alloc(0, "sunrpc_cred");
+ if (!rpc_cred_shrinker) {
+ err = -ENOMEM;
goto out2;
+ }
+
+ rpc_cred_shrinker->count_objects = rpcauth_cache_shrink_count;
+ rpc_cred_shrinker->scan_objects = rpcauth_cache_shrink_scan;
+
+ shrinker_register(rpc_cred_shrinker);
+
return 0;
out2:
rpc_destroy_authunix();
@@ -887,5 +893,5 @@ out1:
void rpcauth_remove_module(void)
{
rpc_destroy_authunix();
- unregister_shrinker(&rpc_cred_shrinker);
+ shrinker_free(rpc_cred_shrinker);
}