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/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 4c4b2dc..581d8cd 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -27,6 +27,7 @@
struct rpc_cred * rpc_cred; /* Credentials */
};
+struct rpc_call_ops;
struct rpc_wait_queue;
struct rpc_wait {
struct list_head list; /* wait queue links */
@@ -61,13 +62,12 @@
* timeout_fn to be executed by timer bottom half
* callback to be executed after waking up
* action next procedure for async tasks
- * exit exit async task and report to caller
+ * tk_ops caller callbacks
*/
void (*tk_timeout_fn)(struct rpc_task *);
void (*tk_callback)(struct rpc_task *);
void (*tk_action)(struct rpc_task *);
- void (*tk_exit)(struct rpc_task *);
- void (*tk_release)(struct rpc_task *);
+ const struct rpc_call_ops *tk_ops;
void * tk_calldata;
/*
@@ -111,6 +111,12 @@
typedef void (*rpc_action)(struct rpc_task *);
+struct rpc_call_ops {
+ void (*rpc_call_done)(struct rpc_task *, void *);
+ void (*rpc_release)(void *);
+};
+
+
/*
* RPC task flags
*/
@@ -228,10 +234,12 @@
/*
* Function prototypes
*/
-struct rpc_task *rpc_new_task(struct rpc_clnt *, rpc_action, int flags);
+struct rpc_task *rpc_new_task(struct rpc_clnt *, int flags,
+ const struct rpc_call_ops *ops, void *data);
struct rpc_task *rpc_new_child(struct rpc_clnt *, struct rpc_task *parent);
-void rpc_init_task(struct rpc_task *, struct rpc_clnt *,
- rpc_action exitfunc, int flags);
+void rpc_init_task(struct rpc_task *task, struct rpc_clnt *clnt,
+ int flags, const struct rpc_call_ops *ops,
+ void *data);
void rpc_release_task(struct rpc_task *);
void rpc_exit_task(struct rpc_task *);
void rpc_killall_tasks(struct rpc_clnt *);