diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/sunrpc/sched.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/sunrpc/sched.h | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/ANDROID_3.4.5/include/linux/sunrpc/sched.h b/ANDROID_3.4.5/include/linux/sunrpc/sched.h deleted file mode 100644 index dc0c3cc3..00000000 --- a/ANDROID_3.4.5/include/linux/sunrpc/sched.h +++ /dev/null @@ -1,292 +0,0 @@ -/* - * linux/include/linux/sunrpc/sched.h - * - * Scheduling primitives for kernel Sun RPC. - * - * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef _LINUX_SUNRPC_SCHED_H_ -#define _LINUX_SUNRPC_SCHED_H_ - -#include <linux/timer.h> -#include <linux/ktime.h> -#include <linux/sunrpc/types.h> -#include <linux/spinlock.h> -#include <linux/wait.h> -#include <linux/workqueue.h> -#include <linux/sunrpc/xdr.h> - -/* - * This is the actual RPC procedure call info. - */ -struct rpc_procinfo; -struct rpc_message { - struct rpc_procinfo * rpc_proc; /* Procedure information */ - void * rpc_argp; /* Arguments */ - void * rpc_resp; /* Result */ - struct rpc_cred * rpc_cred; /* Credentials */ -}; - -struct rpc_call_ops; -struct rpc_wait_queue; -struct rpc_wait { - struct list_head list; /* wait queue links */ - struct list_head links; /* Links to related tasks */ - struct list_head timer_list; /* Timer list */ - unsigned long expires; -}; - -/* - * This is the RPC task struct - */ -struct rpc_task { - atomic_t tk_count; /* Reference count */ - struct list_head tk_task; /* global list of tasks */ - struct rpc_clnt * tk_client; /* RPC client */ - struct rpc_rqst * tk_rqstp; /* RPC request */ - - /* - * RPC call state - */ - struct rpc_message tk_msg; /* RPC call info */ - - /* - * callback to be executed after waking up - * action next procedure for async tasks - * tk_ops caller callbacks - */ - void (*tk_callback)(struct rpc_task *); - void (*tk_action)(struct rpc_task *); - const struct rpc_call_ops *tk_ops; - void * tk_calldata; - - unsigned long tk_timeout; /* timeout for rpc_sleep() */ - unsigned long tk_runstate; /* Task run status */ - struct workqueue_struct *tk_workqueue; /* Normally rpciod, but could - * be any workqueue - */ - struct rpc_wait_queue *tk_waitqueue; /* RPC wait queue we're on */ - union { - struct work_struct tk_work; /* Async task work queue */ - struct rpc_wait tk_wait; /* RPC wait */ - } u; - - ktime_t tk_start; /* RPC task init timestamp */ - - pid_t tk_owner; /* Process id for batching tasks */ - int tk_status; /* result of last operation */ - unsigned short tk_flags; /* misc flags */ - unsigned short tk_timeouts; /* maj timeouts */ - -#ifdef RPC_DEBUG - unsigned short tk_pid; /* debugging aid */ -#endif - unsigned char tk_priority : 2,/* Task priority */ - tk_garb_retry : 2, - tk_cred_retry : 2, - tk_rebind_retry : 2; -}; -#define tk_xprt tk_client->cl_xprt - -/* support walking a list of tasks on a wait queue */ -#define task_for_each(task, pos, head) \ - list_for_each(pos, head) \ - if ((task=list_entry(pos, struct rpc_task, u.tk_wait.list)),1) - -#define task_for_first(task, head) \ - if (!list_empty(head) && \ - ((task=list_entry((head)->next, struct rpc_task, u.tk_wait.list)),1)) - -typedef void (*rpc_action)(struct rpc_task *); - -struct rpc_call_ops { - void (*rpc_call_prepare)(struct rpc_task *, void *); - void (*rpc_call_done)(struct rpc_task *, void *); - void (*rpc_count_stats)(struct rpc_task *, void *); - 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; - struct workqueue_struct *workqueue; - unsigned short flags; - signed char priority; -}; - -/* - * RPC task flags - */ -#define RPC_TASK_ASYNC 0x0001 /* is an async task */ -#define RPC_TASK_SWAPPER 0x0002 /* is swapping in/out */ -#define RPC_CALL_MAJORSEEN 0x0020 /* major timeout seen */ -#define RPC_TASK_ROOTCREDS 0x0040 /* force root creds */ -#define RPC_TASK_DYNAMIC 0x0080 /* task was kmalloc'ed */ -#define RPC_TASK_KILLED 0x0100 /* task was killed */ -#define RPC_TASK_SOFT 0x0200 /* Use soft timeouts */ -#define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */ -#define RPC_TASK_SENT 0x0800 /* message was sent */ -#define RPC_TASK_TIMEOUT 0x1000 /* fail with ETIMEDOUT on timeout */ - -#define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC) -#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER) -#define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS) -#define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED) -#define RPC_IS_SOFT(t) ((t)->tk_flags & (RPC_TASK_SOFT|RPC_TASK_TIMEOUT)) -#define RPC_IS_SOFTCONN(t) ((t)->tk_flags & RPC_TASK_SOFTCONN) -#define RPC_WAS_SENT(t) ((t)->tk_flags & RPC_TASK_SENT) - -#define RPC_TASK_RUNNING 0 -#define RPC_TASK_QUEUED 1 -#define RPC_TASK_ACTIVE 2 - -#define RPC_IS_RUNNING(t) test_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) -#define rpc_set_running(t) set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) -#define rpc_test_and_set_running(t) \ - test_and_set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) -#define rpc_clear_running(t) \ - do { \ - smp_mb__before_clear_bit(); \ - clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate); \ - smp_mb__after_clear_bit(); \ - } while (0) - -#define RPC_IS_QUEUED(t) test_bit(RPC_TASK_QUEUED, &(t)->tk_runstate) -#define rpc_set_queued(t) set_bit(RPC_TASK_QUEUED, &(t)->tk_runstate) -#define rpc_clear_queued(t) \ - do { \ - smp_mb__before_clear_bit(); \ - clear_bit(RPC_TASK_QUEUED, &(t)->tk_runstate); \ - smp_mb__after_clear_bit(); \ - } while (0) - -#define RPC_IS_ACTIVATED(t) test_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate) - -/* - * Task priorities. - * Note: if you change these, you must also change - * the task initialization definitions below. - */ -#define RPC_PRIORITY_LOW (-1) -#define RPC_PRIORITY_NORMAL (0) -#define RPC_PRIORITY_HIGH (1) -#define RPC_PRIORITY_PRIVILEGED (2) -#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_PRIVILEGED - RPC_PRIORITY_LOW) - -struct rpc_timer { - struct timer_list timer; - struct list_head list; - unsigned long expires; -}; - -/* - * RPC synchronization objects - */ -struct rpc_wait_queue { - spinlock_t lock; - struct list_head tasks[RPC_NR_PRIORITY]; /* task queue for each priority level */ - 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 */ - unsigned char nr; /* # tasks remaining for cookie */ - unsigned short qlen; /* total # tasks waiting in queue */ - struct rpc_timer timer_list; -#if defined(RPC_DEBUG) || defined(RPC_TRACEPOINTS) - const char * name; -#endif -}; - -/* - * This is the # requests to send consecutively - * from a single cookie. The aim is to improve - * performance of NFS operations such as read/write. - */ -#define RPC_BATCH_COUNT 16 -#define RPC_IS_PRIORITY(q) ((q)->maxpriority > 0) - -/* - * Function prototypes - */ -struct rpc_task *rpc_new_task(const struct rpc_task_setup *); -struct rpc_task *rpc_run_task(const struct rpc_task_setup *); -struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, - const struct rpc_call_ops *ops); -void rpc_put_task(struct rpc_task *); -void rpc_put_task_async(struct rpc_task *); -void rpc_exit_task(struct rpc_task *); -void rpc_exit(struct rpc_task *, int); -void rpc_release_calldata(const struct rpc_call_ops *, void *); -void rpc_killall_tasks(struct rpc_clnt *); -void rpc_execute(struct rpc_task *); -void rpc_init_priority_wait_queue(struct rpc_wait_queue *, const char *); -void rpc_init_wait_queue(struct rpc_wait_queue *, const char *); -void rpc_destroy_wait_queue(struct rpc_wait_queue *); -void rpc_sleep_on(struct rpc_wait_queue *, struct rpc_task *, - rpc_action action); -void rpc_sleep_on_priority(struct rpc_wait_queue *, - struct rpc_task *, - rpc_action action, - int priority); -void rpc_wake_up_queued_task(struct rpc_wait_queue *, - struct rpc_task *); -void rpc_wake_up(struct rpc_wait_queue *); -struct rpc_task *rpc_wake_up_next(struct rpc_wait_queue *); -struct rpc_task *rpc_wake_up_first(struct rpc_wait_queue *, - bool (*)(struct rpc_task *, void *), - void *); -void rpc_wake_up_status(struct rpc_wait_queue *, int); -int rpc_queue_empty(struct rpc_wait_queue *); -void rpc_delay(struct rpc_task *, unsigned long); -void * rpc_malloc(struct rpc_task *, size_t); -void rpc_free(void *); -int rpciod_up(void); -void rpciod_down(void); -int __rpc_wait_for_completion_task(struct rpc_task *task, int (*)(void *)); -#ifdef RPC_DEBUG -struct net; -void rpc_show_tasks(struct net *); -#endif -int rpc_init_mempool(void); -void rpc_destroy_mempool(void); -extern struct workqueue_struct *rpciod_workqueue; -void rpc_prepare_task(struct rpc_task *task); - -static inline int rpc_wait_for_completion_task(struct rpc_task *task) -{ - return __rpc_wait_for_completion_task(task, NULL); -} - -static inline void rpc_task_set_priority(struct rpc_task *task, unsigned char prio) -{ - task->tk_priority = prio - RPC_PRIORITY_LOW; -} - -static inline int rpc_task_has_priority(struct rpc_task *task, unsigned char prio) -{ - return (task->tk_priority + RPC_PRIORITY_LOW == prio); -} - -#if defined(RPC_DEBUG) || defined (RPC_TRACEPOINTS) -static inline const char * rpc_qname(const struct rpc_wait_queue *q) -{ - return ((q && q->name) ? q->name : "unknown"); -} - -static inline void rpc_assign_waitqueue_name(struct rpc_wait_queue *q, - const char *name) -{ - q->name = name; -} -#else -static inline void rpc_assign_waitqueue_name(struct rpc_wait_queue *q, - const char *name) -{ -} -#endif - -#endif /* _LINUX_SUNRPC_SCHED_H_ */ |