[PATCH] remove unused NFS and RPC headers

include/linux/nfsiod.h

-/*
- * linux/include/linux/nfsiod.h
- *
- * Declarations for asynchronous NFS RPC calls.
- *
- */
-
-#ifndef _LINUX_NFSIOD_H
-#define _LINUX_NFSIOD_H
-
-#include <linux/rpcsock.h>
-#include <linux/nfs_fs.h>
-
-#ifdef __KERNEL__
-
-/*
- * This is the callback handler for nfsiod requests.
- * Note that the callback procedure must NOT sleep.
- */
-struct nfsiod_req;
-typedef int	(*nfsiod_callback_t)(int result, struct nfsiod_req *);
-
-/*
- * This is the nfsiod request struct.
- */
-struct nfsiod_req {
-	struct nfsiod_req *	rq_next;
-	struct nfsiod_req *	rq_prev;
-	wait_queue_head_t	rq_wait;
-	struct rpc_ioreq	rq_rpcreq;
-	nfsiod_callback_t	rq_callback;
-	struct nfs_server *	rq_server;
-	struct inode *		rq_inode;
-	struct page *		rq_page;
-
-	/* user creds */
-	uid_t			rq_fsuid;
-	gid_t			rq_fsgid;
-	int			rq_groups[NGROUPS];
-
-	/* retry handling */
-	int			rq_retries;
-};
-
-struct nfsiod_req *	nfsiod_reserve(struct nfs_server *);
-void			nfsiod_release(struct nfsiod_req *);
-void			nfsiod_enqueue(struct nfsiod_req *);
-int			nfsiod(void);
-
-
-#endif /* __KERNEL__ */
-#endif /* _LINUX_NFSIOD_H */

include/linux/rpcsock.h

-/*
- *  rpcsock.h	Declarations for the RPC call interface.
- *
- *  Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
- */
-
-
-#ifndef _LINUX_RPCSOCK_H
-#define _LINUX_RPCSOCK_H
-
-/*
- * The rpcsock code maintains an estimate on the maximum number of out-
- * standing RPC requests, using the congestion avoidance implemented in
- * 44BSD. This is basically the Van Jacobson slow start algorithm: If a
- * retransmit occurs, the congestion window is halved; otherwise, it is
- * incremented by 1/cwnd when a reply is received and a full number of
- * requests are outstanding.
- *
- * Upper procedures may check whether a request would block waiting for
- * a free RPC slot by using the RPC_CONGESTED() macro.
- *
- * Note: on machines with low memory we should probably use a smaller
- * MAXREQS value: At 32 outstanding reqs with 8 megs of RAM, fragment
- * reassembly will frequently run out of memory.
- */
-#define RPC_MAXREQS		32
-#define RPC_CWNDSCALE		256
-#define RPC_MAXCWND		(RPC_MAXREQS * RPC_CWNDSCALE)
-/* #define RPC_INITCWND		(RPC_MAXCWND / 2) */
-#define RPC_INITCWND		RPC_CWNDSCALE
-#define RPC_CONGESTED(rsock)	((rsock)->cong >= (rsock)->cwnd)
-
-/* RPC reply header size: xid, direction, status, accept_status (verifier
- * size computed separately)
- */
-#define RPC_HDRSIZE		(4 * 4)
-
-/*
- * This describes a timeout strategy
- */
-struct rpc_timeout {
-	unsigned long		to_initval,
-				to_maxval,
-				to_increment;
-	int			to_retries;
-	char			to_exponential;
-};
-
-/*
- * This describes a complete RPC request
- */
-struct rpc_ioreq {
-	struct rpc_wait *	rq_slot;
-	struct sockaddr	*	rq_addr;
-	int			rq_alen;
-	struct iovec		rq_svec[UIO_FASTIOV];
-	unsigned int		rq_snr;
-	unsigned long		rq_slen;
-	struct iovec		rq_rvec[UIO_FASTIOV];
-	unsigned int		rq_rnr;
-	unsigned long		rq_rlen;
-};
-
-/*
- * This is the callback handler for async RPC.
- */
-struct rpc_wait;
-typedef void	(*rpc_callback_fn_t)(int, struct rpc_wait *, void *);
-
-/*
- * Wait information. This struct defines all the state of an RPC
- * request currently in flight.
- */
-struct rpc_wait {
-	struct rpc_sock *	w_sock;
-	struct rpc_wait *	w_prev;
-	struct rpc_wait *	w_next;
-	struct rpc_ioreq *	w_req;
-	int			w_result;
-	wait_queue_head_t 	w_wait;
-	rpc_callback_fn_t	w_handler;
-	void *			w_cdata;
-	char			w_queued;
-	char			w_gotit;
-	__u32			w_xid;
-};
-
-struct rpc_sock {
-	struct file *		file;
-	struct socket *		sock;
-	struct sock *		inet;
-	struct rpc_wait		waiting[RPC_MAXREQS];
-	unsigned long		cong;
-	unsigned long		cwnd;
-	struct rpc_wait *	pending;
-	struct rpc_wait *	free;
-	wait_queue_head_t	backlog;
-	wait_queue_head_t	shutwait;
-	int			shutdown;
-};
-
-#ifdef __KERNEL__
-
-/* rpc_call: Call synchronously */
-int			rpc_call(struct rpc_sock *, struct rpc_ioreq *,
-					 struct rpc_timeout *);
-/* These implement asynch calls for nfsiod: Process calls rpc_reserve and
- * rpc_transmits, then passes the request to nfsiod, which collects the
- * results via rpc_doio
- */
-int			rpc_reserve(struct rpc_sock *, struct rpc_ioreq *, int);
-void			rpc_release(struct rpc_sock *, struct rpc_ioreq *);
-int			rpc_transmit(struct rpc_sock *, struct rpc_ioreq *);
-int			rpc_doio(struct rpc_sock *, struct rpc_ioreq *,
-					 struct rpc_timeout *, int);
-struct rpc_sock	*	rpc_makesock(struct file *);
-int			rpc_closesock(struct rpc_sock *);
-
-#endif /* __KERNEL__*/
-
-#endif /* _LINUX_RPCSOCK_H */