include/linux/sunrpc/sched.h - kernel/msm-4.9 - Gitiles

 /*
  * 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 */
 	int			tk_status;	/* result of last operation */
 	struct list_head	tk_task;	/* global list of tasks */

 	/*
 	 * callback	to be executed after waking up
 	 * action	next procedure for async tasks
 	 */
 	void			(*tk_callback)(struct rpc_task *);
 	void			(*tk_action)(struct rpc_task *);

 	unsigned long		tk_timeout;	/* timeout for rpc_sleep() */
 	unsigned long		tk_runstate;	/* Task run status */

 	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;

 	/*
 	 * RPC call state
 	 */
 	struct rpc_message	tk_msg;		/* RPC call info */
 	void *			tk_calldata;	/* Caller private data */
 	const struct rpc_call_ops *tk_ops;	/* Caller callbacks */

 	struct rpc_clnt *	tk_client;	/* RPC client */
 	struct rpc_xprt *	tk_xprt;	/* Transport */

 	struct rpc_rqst *	tk_rqstp;	/* RPC request */

 	struct workqueue_struct	*tk_workqueue;	/* Normally rpciod, but could
 						 * be any workqueue
 						 */
 	ktime_t			tk_start;	/* RPC task init timestamp */

 	pid_t			tk_owner;	/* Process id for batching tasks */
 	unsigned short		tk_flags;	/* misc flags */
 	unsigned short		tk_timeouts;	/* maj timeouts */

 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) || IS_ENABLED(CONFIG_TRACEPOINTS)
 	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;
 };

 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;
 	struct rpc_xprt *rpc_xprt;
 	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_TASK_NOCONNECT	0x2000		/* return ENOTCONN if not connected */
 #define RPC_TASK_NO_RETRANS_TIMEOUT	0x4000		/* wait forever for a reply */

 #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_atomic(); \
 		clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate); \
 		smp_mb__after_atomic(); \
 	} 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_atomic(); \
 		clear_bit(RPC_TASK_QUEUED, &(t)->tk_runstate); \
 		smp_mb__after_atomic(); \
 	} 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		nr;			/* # tasks remaining for cookie */
 	unsigned short		qlen;			/* total # tasks waiting in queue */
 	struct rpc_timer	timer_list;
 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) || IS_ENABLED(CONFIG_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);
 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_on_wq(struct workqueue_struct *wq,
 					struct rpc_wait_queue *,
 					bool (*)(struct rpc_task *, void *),
 					void *);
 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);
 void		rpc_delay(struct rpc_task *, unsigned long);
 int		rpc_malloc(struct rpc_task *);
 void		rpc_free(struct rpc_task *);
 int		rpciod_up(void);
 void		rpciod_down(void);
 int		__rpc_wait_for_completion_task(struct rpc_task *task, wait_bit_action_f *);
 #if IS_ENABLED(CONFIG_SUNRPC_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;
 extern struct workqueue_struct *xprtiod_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);
 }

 #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) || IS_ENABLED(CONFIG_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

 #if IS_ENABLED(CONFIG_SUNRPC_SWAP)
 int rpc_clnt_swap_activate(struct rpc_clnt *clnt);
 void rpc_clnt_swap_deactivate(struct rpc_clnt *clnt);
 #else
 static inline int
 rpc_clnt_swap_activate(struct rpc_clnt *clnt)
 {
 	return -EINVAL;
 }

 static inline void
 rpc_clnt_swap_deactivate(struct rpc_clnt *clnt)
 {
 }
 #endif /* CONFIG_SUNRPC_SWAP */

 #endif /* _LINUX_SUNRPC_SCHED_H_ */
	/*
	* 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 */
	int tk_status; /* result of last operation */
	struct list_head tk_task; /* global list of tasks */

	/*
	* callback to be executed after waking up
	* action next procedure for async tasks
	*/
	void (tk_callback)(struct rpc_task );
	void (tk_action)(struct rpc_task );

	unsigned long tk_timeout; /* timeout for rpc_sleep() */
	unsigned long tk_runstate; /* Task run status */

	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;

	/*
	* RPC call state
	*/
	struct rpc_message tk_msg; /* RPC call info */
	void * tk_calldata; /* Caller private data */
	const struct rpc_call_ops tk_ops; / Caller callbacks */

	struct rpc_clnt * tk_client; /* RPC client */
	struct rpc_xprt * tk_xprt; /* Transport */

	struct rpc_rqst * tk_rqstp; /* RPC request */

	struct workqueue_struct tk_workqueue; / Normally rpciod, but could
	* be any workqueue
	*/
	ktime_t tk_start; /* RPC task init timestamp */

	pid_t tk_owner; /* Process id for batching tasks */
	unsigned short tk_flags; /* misc flags */
	unsigned short tk_timeouts; /* maj timeouts */

	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) \|\| IS_ENABLED(CONFIG_TRACEPOINTS)
	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;
	};

	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;
	struct rpc_xprt *rpc_xprt;
	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_TASK_NOCONNECT 0x2000 /* return ENOTCONN if not connected */
	#define RPC_TASK_NO_RETRANS_TIMEOUT 0x4000 /* wait forever for a reply */

	#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_atomic(); \
	clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate); \
	smp_mb__after_atomic(); \
	} 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_atomic(); \
	clear_bit(RPC_TASK_QUEUED, &(t)->tk_runstate); \
	smp_mb__after_atomic(); \
	} 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 nr; /* # tasks remaining for cookie */
	unsigned short qlen; /* total # tasks waiting in queue */
	struct rpc_timer timer_list;
	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) \|\| IS_ENABLED(CONFIG_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);
	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_on_wq(struct workqueue_struct wq,
	struct rpc_wait_queue *,
	bool ()(struct rpc_task , void *),
	void *);
	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);
	void rpc_delay(struct rpc_task *, unsigned long);
	int rpc_malloc(struct rpc_task *);
	void rpc_free(struct rpc_task *);
	int rpciod_up(void);
	void rpciod_down(void);
	int __rpc_wait_for_completion_task(struct rpc_task task, wait_bit_action_f );
	#if IS_ENABLED(CONFIG_SUNRPC_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;
	extern struct workqueue_struct *xprtiod_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);
	}

	#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) \|\| IS_ENABLED(CONFIG_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

	#if IS_ENABLED(CONFIG_SUNRPC_SWAP)
	int rpc_clnt_swap_activate(struct rpc_clnt *clnt);
	void rpc_clnt_swap_deactivate(struct rpc_clnt *clnt);
	#else
	static inline int
	rpc_clnt_swap_activate(struct rpc_clnt *clnt)
	{
	return -EINVAL;
	}

	static inline void
	rpc_clnt_swap_deactivate(struct rpc_clnt *clnt)
	{
	}
	#endif /* CONFIG_SUNRPC_SWAP */

	#endif /* _LINUX_SUNRPC_SCHED_H_ */