diff options
Diffstat (limited to 'include/linux/sunrpc/sched.h')
| -rw-r--r-- | include/linux/sunrpc/sched.h | 57 |
1 files changed, 19 insertions, 38 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 8ea077db009..ce3d1b13272 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -56,8 +56,6 @@ struct rpc_task { __u8 tk_garb_retry; __u8 tk_cred_retry; - unsigned long tk_cookie; /* Cookie for batching tasks */ - /* * timeout_fn to be executed by timer bottom half * callback to be executed after waking up @@ -78,7 +76,6 @@ struct rpc_task { struct timer_list tk_timer; /* kernel timer */ unsigned long tk_timeout; /* timeout for rpc_sleep() */ unsigned short tk_flags; /* misc flags */ - unsigned char tk_priority : 2;/* Task priority */ unsigned long tk_runstate; /* Task run status */ struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could * be any workqueue @@ -94,6 +91,9 @@ struct rpc_task { unsigned long tk_start; /* RPC task init timestamp */ long tk_rtt; /* round-trip time (jiffies) */ + pid_t tk_owner; /* Process id for batching tasks */ + unsigned char tk_priority : 2;/* Task priority */ + #ifdef RPC_DEBUG unsigned short tk_pid; /* debugging aid */ #endif @@ -117,6 +117,15 @@ struct rpc_call_ops { void (*rpc_release)(void *); }; +struct rpc_task_setup { + struct rpc_task *task; + struct rpc_clnt *rpc_client; + const struct rpc_message *rpc_message; + const struct rpc_call_ops *callback_ops; + void *callback_data; + unsigned short flags; + signed char priority; +}; /* * RPC task flags @@ -180,10 +189,10 @@ struct rpc_call_ops { * Note: if you change these, you must also change * the task initialization definitions below. */ -#define RPC_PRIORITY_LOW 0 -#define RPC_PRIORITY_NORMAL 1 -#define RPC_PRIORITY_HIGH 2 -#define RPC_NR_PRIORITY (RPC_PRIORITY_HIGH+1) +#define RPC_PRIORITY_LOW (-1) +#define RPC_PRIORITY_NORMAL (0) +#define RPC_PRIORITY_HIGH (1) +#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_HIGH - RPC_PRIORITY_LOW) /* * RPC synchronization objects @@ -191,7 +200,7 @@ struct rpc_call_ops { struct rpc_wait_queue { spinlock_t lock; struct list_head tasks[RPC_NR_PRIORITY]; /* task queue for each priority level */ - unsigned long cookie; /* cookie of last task serviced */ + pid_t owner; /* process id of last task serviced */ unsigned char maxpriority; /* maximum priority (0 if queue is not a priority queue) */ unsigned char priority; /* current priority */ unsigned char count; /* # task groups remaining serviced so far */ @@ -208,41 +217,13 @@ struct rpc_wait_queue { * performance of NFS operations such as read/write. */ #define RPC_BATCH_COUNT 16 - -#ifndef RPC_DEBUG -# define RPC_WAITQ_INIT(var,qname) { \ - .lock = __SPIN_LOCK_UNLOCKED(var.lock), \ - .tasks = { \ - [0] = LIST_HEAD_INIT(var.tasks[0]), \ - [1] = LIST_HEAD_INIT(var.tasks[1]), \ - [2] = LIST_HEAD_INIT(var.tasks[2]), \ - }, \ - } -#else -# define RPC_WAITQ_INIT(var,qname) { \ - .lock = __SPIN_LOCK_UNLOCKED(var.lock), \ - .tasks = { \ - [0] = LIST_HEAD_INIT(var.tasks[0]), \ - [1] = LIST_HEAD_INIT(var.tasks[1]), \ - [2] = LIST_HEAD_INIT(var.tasks[2]), \ - }, \ - .name = qname, \ - } -#endif -# define RPC_WAITQ(var,qname) struct rpc_wait_queue var = RPC_WAITQ_INIT(var,qname) - #define RPC_IS_PRIORITY(q) ((q)->maxpriority > 0) /* * Function prototypes */ -struct rpc_task *rpc_new_task(struct rpc_clnt *, int flags, - const struct rpc_call_ops *ops, void *data); -struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags, - const struct rpc_call_ops *ops, void *data); -void rpc_init_task(struct rpc_task *task, struct rpc_clnt *clnt, - int flags, const struct rpc_call_ops *ops, - void *data); +struct rpc_task *rpc_new_task(const struct rpc_task_setup *); +struct rpc_task *rpc_run_task(const struct rpc_task_setup *); void rpc_put_task(struct rpc_task *); void rpc_exit_task(struct rpc_task *); void rpc_release_calldata(const struct rpc_call_ops *, void *); |