RPC: Clean up RPC task structure
Shrink the RPC task structure. Instead of storing separate pointers
for task->tk_exit and task->tk_release, put them in a structure.
Also pass the user data pointer as a parameter instead of passing it via
task->tk_calldata. This enables us to nest callbacks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 583c071..cf92008 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -53,7 +53,7 @@
#define NFSPROC4_CB_COMPOUND 1
/* declarations */
-static void nfs4_cb_null(struct rpc_task *task);
+static const struct rpc_call_ops nfs4_cb_null_ops;
/* Index of predefined Linux callback client operations */
@@ -447,7 +447,7 @@
msg.rpc_cred = nfsd4_lookupcred(clp,0);
if (IS_ERR(msg.rpc_cred))
goto out_rpciod;
- status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, nfs4_cb_null, NULL);
+ status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, &nfs4_cb_null_ops, NULL);
put_rpccred(msg.rpc_cred);
if (status != 0) {
@@ -469,7 +469,7 @@
}
static void
-nfs4_cb_null(struct rpc_task *task)
+nfs4_cb_null(struct rpc_task *task, void *dummy)
{
struct nfs4_client *clp = (struct nfs4_client *)task->tk_msg.rpc_argp;
struct nfs4_callback *cb = &clp->cl_callback;
@@ -488,6 +488,10 @@
put_nfs4_client(clp);
}
+static const struct rpc_call_ops nfs4_cb_null_ops = {
+ .rpc_call_done = nfs4_cb_null,
+};
+
/*
* called with dp->dl_count inc'ed.
* nfs4_lock_state() may or may not have been called.