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RPC: Clean up RPC task structure

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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>
This commit is contained in:
Trond Myklebust
2006-01-03 09:55:04 +01:00
parent abbcf28f23
commit 963d8fe533
18 changed files with 241 additions and 185 deletions
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20
include/linux/sunrpc/sched.h
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@@ -27,6 +27,7 @@ struct rpc_message {
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 @@ struct rpc_task {
* 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 @@ struct rpc_task {
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 @@ struct rpc_wait_queue {
/*
* 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 *);