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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-07-31 14:29:08 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-08-04 08:54:09 -0400
commita17c2153d2e271b0cbacae9bed83b0eaa41db7e1 (patch)
tree3c5a73090987278e51aee1a9f185ebe40a00bd65 /net/sunrpc/clnt.c
parent8572b8e2e3c5f3d990122348c4d2c64dad338611 (diff)
SUNRPC: Move the bound cred to struct rpc_rqst
This will allow us to save the original generic cred in rpc_message, so that if we migrate from one server to another, we can generate a new bound cred without having to punt back to the NFS layer. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
-rw-r--r--net/sunrpc/clnt.c91
1 files changed, 45 insertions, 46 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f34b5e3823c0..2388d83b68ff 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -605,8 +605,8 @@ rpc_task_set_rpc_message(struct rpc_task *task, const struct rpc_message *msg)
task->tk_msg.rpc_proc = msg->rpc_proc;
task->tk_msg.rpc_argp = msg->rpc_argp;
task->tk_msg.rpc_resp = msg->rpc_resp;
- /* Bind the user cred */
- task->tk_status = rpcauth_bindcred(task, msg->rpc_cred, task->tk_flags);
+ if (msg->rpc_cred != NULL)
+ task->tk_msg.rpc_cred = get_rpccred(msg->rpc_cred);
}
}
@@ -909,11 +909,6 @@ call_reserve(struct rpc_task *task)
{
dprint_status(task);
- if (!rpcauth_uptodatecred(task)) {
- task->tk_action = call_refresh;
- return;
- }
-
task->tk_status = 0;
task->tk_action = call_reserveresult;
xprt_reserve(task);
@@ -977,7 +972,7 @@ call_reserveresult(struct rpc_task *task)
static void
call_allocate(struct rpc_task *task)
{
- unsigned int slack = task->tk_msg.rpc_cred->cr_auth->au_cslack;
+ unsigned int slack = task->tk_client->cl_auth->au_cslack;
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_xprt *xprt = task->tk_xprt;
struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
@@ -985,7 +980,7 @@ call_allocate(struct rpc_task *task)
dprint_status(task);
task->tk_status = 0;
- task->tk_action = call_bind;
+ task->tk_action = call_refresh;
if (req->rq_buffer)
return;
@@ -1022,6 +1017,47 @@ call_allocate(struct rpc_task *task)
rpc_exit(task, -ERESTARTSYS);
}
+/*
+ * 2a. Bind and/or refresh the credentials
+ */
+static void
+call_refresh(struct rpc_task *task)
+{
+ dprint_status(task);
+
+ task->tk_action = call_refreshresult;
+ task->tk_status = 0;
+ task->tk_client->cl_stats->rpcauthrefresh++;
+ rpcauth_refreshcred(task);
+}
+
+/*
+ * 2b. Process the results of a credential refresh
+ */
+static void
+call_refreshresult(struct rpc_task *task)
+{
+ int status = task->tk_status;
+
+ dprint_status(task);
+
+ task->tk_status = 0;
+ task->tk_action = call_bind;
+ if (status >= 0 && rpcauth_uptodatecred(task))
+ return;
+ switch (status) {
+ case -EACCES:
+ rpc_exit(task, -EACCES);
+ return;
+ case -ENOMEM:
+ rpc_exit(task, -ENOMEM);
+ return;
+ case -ETIMEDOUT:
+ rpc_delay(task, 3*HZ);
+ }
+ task->tk_action = call_refresh;
+}
+
static inline int
rpc_task_need_encode(struct rpc_task *task)
{
@@ -1557,43 +1593,6 @@ out_retry:
}
}
-/*
- * 8. Refresh the credentials if rejected by the server
- */
-static void
-call_refresh(struct rpc_task *task)
-{
- dprint_status(task);
-
- task->tk_action = call_refreshresult;
- task->tk_status = 0;
- task->tk_client->cl_stats->rpcauthrefresh++;
- rpcauth_refreshcred(task);
-}
-
-/*
- * 8a. Process the results of a credential refresh
- */
-static void
-call_refreshresult(struct rpc_task *task)
-{
- int status = task->tk_status;
-
- dprint_status(task);
-
- task->tk_status = 0;
- task->tk_action = call_reserve;
- if (status >= 0 && rpcauth_uptodatecred(task))
- return;
- if (status == -EACCES) {
- rpc_exit(task, -EACCES);
- return;
- }
- task->tk_action = call_refresh;
- if (status != -ETIMEDOUT)
- rpc_delay(task, 3*HZ);
-}
-
static __be32 *
rpc_encode_header(struct rpc_task *task)
{