1 files changed, 42 insertions, 332 deletions

diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index f01e9c0d267..9340e7e10ef 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -6,10 +6,8 @@
  * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/sched.h>
-#include <linux/utsname.h>
 #include <linux/nfs.h>
 
 #include <linux/sunrpc/xdr.h>
@@ -17,7 +15,8 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/lockd/lockd.h>
-#include <linux/lockd/sm_inter.h>
+
+#include <uapi/linux/nfs2.h>
 
 #define NLMDBG_FACILITY		NLMDBG_XDR
 
@@ -44,7 +43,7 @@ loff_t_to_s32(loff_t offset)
 /*
  * XDR functions for basic NLM types
  */
-static inline u32 *nlm_decode_cookie(u32 *p, struct nlm_cookie *c)
+static __be32 *nlm_decode_cookie(__be32 *p, struct nlm_cookie *c)
 {
 	unsigned int	len;
 
@@ -63,15 +62,16 @@ static inline u32 *nlm_decode_cookie(u32 *p, struct nlm_cookie *c)
 	}
 	else 
 	{
-		printk(KERN_NOTICE
-			"lockd: bad cookie size %d (only cookies under %d bytes are supported.)\n", len, NLM_MAXCOOKIELEN);
+		dprintk("lockd: bad cookie size %d (only cookies under "
+			"%d bytes are supported.)\n",
+				len, NLM_MAXCOOKIELEN);
 		return NULL;
 	}
 	return p;
 }
 
-static inline u32 *
-nlm_encode_cookie(u32 *p, struct nlm_cookie *c)
+static inline __be32 *
+nlm_encode_cookie(__be32 *p, struct nlm_cookie *c)
 {
 	*p++ = htonl(c->len);
 	memcpy(p, c->data, c->len);
@@ -79,14 +79,13 @@ nlm_encode_cookie(u32 *p, struct nlm_cookie *c)
 	return p;
 }
 
-static inline u32 *
-nlm_decode_fh(u32 *p, struct nfs_fh *f)
+static __be32 *
+nlm_decode_fh(__be32 *p, struct nfs_fh *f)
 {
 	unsigned int	len;
 
 	if ((len = ntohl(*p++)) != NFS2_FHSIZE) {
-		printk(KERN_NOTICE
-			"lockd: bad fhandle size %d (should be %d)\n",
+		dprintk("lockd: bad fhandle size %d (should be %d)\n",
 			len, NFS2_FHSIZE);
 		return NULL;
 	}
@@ -96,8 +95,8 @@ nlm_decode_fh(u32 *p, struct nfs_fh *f)
 	return p + XDR_QUADLEN(NFS2_FHSIZE);
 }
 
-static inline u32 *
-nlm_encode_fh(u32 *p, struct nfs_fh *f)
+static inline __be32 *
+nlm_encode_fh(__be32 *p, struct nfs_fh *f)
 {
 	*p++ = htonl(NFS2_FHSIZE);
 	memcpy(p, f->data, NFS2_FHSIZE);
@@ -107,20 +106,20 @@ nlm_encode_fh(u32 *p, struct nfs_fh *f)
 /*
  * Encode and decode owner handle
  */
-static inline u32 *
-nlm_decode_oh(u32 *p, struct xdr_netobj *oh)
+static inline __be32 *
+nlm_decode_oh(__be32 *p, struct xdr_netobj *oh)
 {
 	return xdr_decode_netobj(p, oh);
 }
 
-static inline u32 *
-nlm_encode_oh(u32 *p, struct xdr_netobj *oh)
+static inline __be32 *
+nlm_encode_oh(__be32 *p, struct xdr_netobj *oh)
 {
 	return xdr_encode_netobj(p, oh);
 }
 
-static inline u32 *
-nlm_decode_lock(u32 *p, struct nlm_lock *lock)
+static __be32 *
+nlm_decode_lock(__be32 *p, struct nlm_lock *lock)
 {
 	struct file_lock	*fl = &lock->fl;
 	s32			start, len, end;
@@ -131,10 +130,11 @@ nlm_decode_lock(u32 *p, struct nlm_lock *lock)
 	 || !(p = nlm_decode_fh(p, &lock->fh))
 	 || !(p = nlm_decode_oh(p, &lock->oh)))
 		return NULL;
+	lock->svid  = ntohl(*p++);
 
 	locks_init_lock(fl);
 	fl->fl_owner = current->files;
-	fl->fl_pid   = ntohl(*p++);
+	fl->fl_pid   = (pid_t)lock->svid;
 	fl->fl_flags = FL_POSIX;
 	fl->fl_type  = F_RDLCK;		/* as good as anything else */
 	start = ntohl(*p++);
@@ -151,41 +151,10 @@ nlm_decode_lock(u32 *p, struct nlm_lock *lock)
 }
 
 /*
- * Encode a lock as part of an NLM call
- */
-static u32 *
-nlm_encode_lock(u32 *p, struct nlm_lock *lock)
-{
-	struct file_lock	*fl = &lock->fl;
-	__s32			start, len;
-
-	if (!(p = xdr_encode_string(p, lock->caller))
-	 || !(p = nlm_encode_fh(p, &lock->fh))
-	 || !(p = nlm_encode_oh(p, &lock->oh)))
-		return NULL;
-
-	if (fl->fl_start > NLM_OFFSET_MAX
-	 || (fl->fl_end > NLM_OFFSET_MAX && fl->fl_end != OFFSET_MAX))
-		return NULL;
-
-	start = loff_t_to_s32(fl->fl_start);
-	if (fl->fl_end == OFFSET_MAX)
-		len = 0;
-	else
-		len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1);
-
-	*p++ = htonl(fl->fl_pid);
-	*p++ = htonl(start);
-	*p++ = htonl(len);
-
-	return p;
-}
-
-/*
  * Encode result of a TEST/TEST_MSG call
  */
-static u32 *
-nlm_encode_testres(u32 *p, struct nlm_res *resp)
+static __be32 *
+nlm_encode_testres(__be32 *p, struct nlm_res *resp)
 {
 	s32		start, len;
 
@@ -197,7 +166,7 @@ nlm_encode_testres(u32 *p, struct nlm_res *resp)
 		struct file_lock	*fl = &resp->lock.fl;
 
 		*p++ = (fl->fl_type == F_RDLCK)? xdr_zero : xdr_one;
-		*p++ = htonl(fl->fl_pid);
+		*p++ = htonl(resp->lock.svid);
 
 		/* Encode owner handle. */
 		if (!(p = xdr_encode_netobj(p, &resp->lock.oh)))
@@ -221,7 +190,7 @@ nlm_encode_testres(u32 *p, struct nlm_res *resp)
  * First, the server side XDR functions
  */
 int
-nlmsvc_decode_testargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_testargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
 {
 	u32	exclusive;
 
@@ -238,7 +207,7 @@ nlmsvc_decode_testargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
 }
 
 int
-nlmsvc_encode_testres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
 {
 	if (!(p = nlm_encode_testres(p, resp)))
 		return 0;
@@ -246,7 +215,7 @@ nlmsvc_encode_testres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
 }
 
 int
-nlmsvc_decode_lockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
 {
 	u32	exclusive;
 
@@ -266,7 +235,7 @@ nlmsvc_decode_lockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
 }
 
 int
-nlmsvc_decode_cancargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
 {
 	u32	exclusive;
 
@@ -282,7 +251,7 @@ nlmsvc_decode_cancargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
 }
 
 int
-nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
 {
 	if (!(p = nlm_decode_cookie(p, &argp->cookie))
 	 || !(p = nlm_decode_lock(p, &argp->lock)))
@@ -292,13 +261,14 @@ nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
 }
 
 int
-nlmsvc_decode_shareargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
 {
 	struct nlm_lock	*lock = &argp->lock;
 
 	memset(lock, 0, sizeof(*lock));
 	locks_init_lock(&lock->fl);
-	lock->fl.fl_pid = ~(u32) 0;
+	lock->svid = ~(u32) 0;
+	lock->fl.fl_pid = (pid_t)lock->svid;
 
 	if (!(p = nlm_decode_cookie(p, &argp->cookie))
 	 || !(p = xdr_decode_string_inplace(p, &lock->caller,
@@ -312,7 +282,7 @@ nlmsvc_decode_shareargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
 }
 
 int
-nlmsvc_encode_shareres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_shareres(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
 {
 	if (!(p = nlm_encode_cookie(p, &resp->cookie)))
 		return 0;
@@ -322,7 +292,7 @@ nlmsvc_encode_shareres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
 }
 
 int
-nlmsvc_encode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
 {
 	if (!(p = nlm_encode_cookie(p, &resp->cookie)))
 		return 0;
@@ -331,7 +301,7 @@ nlmsvc_encode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
 }
 
 int
-nlmsvc_decode_notify(struct svc_rqst *rqstp, u32 *p, struct nlm_args *argp)
+nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p, struct nlm_args *argp)
 {
 	struct nlm_lock	*lock = &argp->lock;
 
@@ -343,293 +313,33 @@ nlmsvc_decode_notify(struct svc_rqst *rqstp, u32 *p, struct nlm_args *argp)
 }
 
 int
-nlmsvc_decode_reboot(struct svc_rqst *rqstp, u32 *p, struct nlm_reboot *argp)
+nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p, struct nlm_reboot *argp)
 {
 	if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN)))
 		return 0;
 	argp->state = ntohl(*p++);
-	/* Preserve the address in network byte order */
-	argp->addr = *p++;
-	argp->vers = *p++;
-	argp->proto = *p++;
+	memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
+	p += XDR_QUADLEN(SM_PRIV_SIZE);
 	return xdr_argsize_check(rqstp, p);
 }
 
 int
-nlmsvc_decode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
 {
 	if (!(p = nlm_decode_cookie(p, &resp->cookie)))
 		return 0;
-	resp->status = ntohl(*p++);
+	resp->status = *p++;
 	return xdr_argsize_check(rqstp, p);
 }
 
 int
-nlmsvc_decode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nlmsvc_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
 {
 	return xdr_argsize_check(rqstp, p);
 }
 
 int
-nlmsvc_encode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nlmsvc_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
 {
 	return xdr_ressize_check(rqstp, p);
 }
-
-/*
- * Now, the client side XDR functions
- */
-#ifdef NLMCLNT_SUPPORT_SHARES
-static int
-nlmclt_decode_void(struct rpc_rqst *req, u32 *p, void *ptr)
-{
-	return 0;
-}
-#endif
-
-static int
-nlmclt_encode_testargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
-{
-	struct nlm_lock	*lock = &argp->lock;
-
-	if (!(p = nlm_encode_cookie(p, &argp->cookie)))
-		return -EIO;
-	*p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero;
-	if (!(p = nlm_encode_lock(p, lock)))
-		return -EIO;
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_decode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
-{
-	if (!(p = nlm_decode_cookie(p, &resp->cookie)))
-		return -EIO;
-	resp->status = ntohl(*p++);
-	if (resp->status == NLM_LCK_DENIED) {
-		struct file_lock	*fl = &resp->lock.fl;
-		u32			excl;
-		s32			start, len, end;
-
-		memset(&resp->lock, 0, sizeof(resp->lock));
-		locks_init_lock(fl);
-		excl = ntohl(*p++);
-		fl->fl_pid = ntohl(*p++);
-		if (!(p = nlm_decode_oh(p, &resp->lock.oh)))
-			return -EIO;
-
-		fl->fl_flags = FL_POSIX;
-		fl->fl_type  = excl? F_WRLCK : F_RDLCK;
-		start = ntohl(*p++);
-		len = ntohl(*p++);
-		end = start + len - 1;
-
-		fl->fl_start = s32_to_loff_t(start);
-		if (len == 0 || end < 0)
-			fl->fl_end = OFFSET_MAX;
-		else
-			fl->fl_end = s32_to_loff_t(end);
-	}
-	return 0;
-}
-
-
-static int
-nlmclt_encode_lockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
-{
-	struct nlm_lock	*lock = &argp->lock;
-
-	if (!(p = nlm_encode_cookie(p, &argp->cookie)))
-		return -EIO;
-	*p++ = argp->block? xdr_one : xdr_zero;
-	*p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero;
-	if (!(p = nlm_encode_lock(p, lock)))
-		return -EIO;
-	*p++ = argp->reclaim? xdr_one : xdr_zero;
-	*p++ = htonl(argp->state);
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_encode_cancargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
-{
-	struct nlm_lock	*lock = &argp->lock;
-
-	if (!(p = nlm_encode_cookie(p, &argp->cookie)))
-		return -EIO;
-	*p++ = argp->block? xdr_one : xdr_zero;
-	*p++ = (lock->fl.fl_type == F_WRLCK)? xdr_one : xdr_zero;
-	if (!(p = nlm_encode_lock(p, lock)))
-		return -EIO;
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_encode_unlockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
-{
-	struct nlm_lock	*lock = &argp->lock;
-
-	if (!(p = nlm_encode_cookie(p, &argp->cookie)))
-		return -EIO;
-	if (!(p = nlm_encode_lock(p, lock)))
-		return -EIO;
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_encode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
-{
-	if (!(p = nlm_encode_cookie(p, &resp->cookie)))
-		return -EIO;
-	*p++ = resp->status;
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_encode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
-{
-	if (!(p = nlm_encode_testres(p, resp)))
-		return -EIO;
-	req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
-	return 0;
-}
-
-static int
-nlmclt_decode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
-{
-	if (!(p = nlm_decode_cookie(p, &resp->cookie)))
-		return -EIO;
-	resp->status = ntohl(*p++);
-	return 0;
-}
-
-/*
- * Buffer requirements for NLM
- */
-#define NLM_void_sz		0
-#define NLM_cookie_sz		1+XDR_QUADLEN(NLM_MAXCOOKIELEN)
-#define NLM_caller_sz		1+XDR_QUADLEN(sizeof(system_utsname.nodename))
-#define NLM_netobj_sz		1+XDR_QUADLEN(XDR_MAX_NETOBJ)
-/* #define NLM_owner_sz		1+XDR_QUADLEN(NLM_MAXOWNER) */
-#define NLM_fhandle_sz		1+XDR_QUADLEN(NFS2_FHSIZE)
-#define NLM_lock_sz		3+NLM_caller_sz+NLM_netobj_sz+NLM_fhandle_sz
-#define NLM_holder_sz		4+NLM_netobj_sz
-
-#define NLM_testargs_sz		NLM_cookie_sz+1+NLM_lock_sz
-#define NLM_lockargs_sz		NLM_cookie_sz+4+NLM_lock_sz
-#define NLM_cancargs_sz		NLM_cookie_sz+2+NLM_lock_sz
-#define NLM_unlockargs_sz	NLM_cookie_sz+NLM_lock_sz
-
-#define NLM_testres_sz		NLM_cookie_sz+1+NLM_holder_sz
-#define NLM_res_sz		NLM_cookie_sz+1
-#define NLM_norep_sz		0
-
-#ifndef MAX
-# define MAX(a, b)		(((a) > (b))? (a) : (b))
-#endif
-
-/*
- * For NLM, a void procedure really returns nothing
- */
-#define nlmclt_decode_norep	NULL
-
-#define PROC(proc, argtype, restype)	\
-[NLMPROC_##proc] = {							\
-	.p_proc      = NLMPROC_##proc,					\
-	.p_encode    = (kxdrproc_t) nlmclt_encode_##argtype,		\
-	.p_decode    = (kxdrproc_t) nlmclt_decode_##restype,		\
-	.p_bufsiz    = MAX(NLM_##argtype##_sz, NLM_##restype##_sz) << 2	\
-	}
-
-static struct rpc_procinfo	nlm_procedures[] = {
-    PROC(TEST,		testargs,	testres),
-    PROC(LOCK,		lockargs,	res),
-    PROC(CANCEL,	cancargs,	res),
-    PROC(UNLOCK,	unlockargs,	res),
-    PROC(GRANTED,	testargs,	res),
-    PROC(TEST_MSG,	testargs,	norep),
-    PROC(LOCK_MSG,	lockargs,	norep),
-    PROC(CANCEL_MSG,	cancargs,	norep),
-    PROC(UNLOCK_MSG,	unlockargs,	norep),
-    PROC(GRANTED_MSG,	testargs,	norep),
-    PROC(TEST_RES,	testres,	norep),
-    PROC(LOCK_RES,	res,		norep),
-    PROC(CANCEL_RES,	res,		norep),
-    PROC(UNLOCK_RES,	res,		norep),
-    PROC(GRANTED_RES,	res,		norep),
-#ifdef NLMCLNT_SUPPORT_SHARES
-    PROC(SHARE,		shareargs,	shareres),
-    PROC(UNSHARE,	shareargs,	shareres),
-    PROC(NM_LOCK,	lockargs,	res),
-    PROC(FREE_ALL,	notify,		void),
-#endif
-};
-
-static struct rpc_version	nlm_version1 = {
-		.number		= 1,
-		.nrprocs	= 16,
-		.procs		= nlm_procedures,
-};
-
-static struct rpc_version	nlm_version3 = {
-		.number		= 3,
-		.nrprocs	= 24,
-		.procs		= nlm_procedures,
-};
-
-#ifdef 	CONFIG_LOCKD_V4
-extern struct rpc_version nlm_version4;
-#endif
-
-static struct rpc_version *	nlm_versions[] = {
-	[1] = &nlm_version1,
-	[3] = &nlm_version3,
-#ifdef 	CONFIG_LOCKD_V4
-	[4] = &nlm_version4,
-#endif
-};
-
-static struct rpc_stat		nlm_stats;
-
-struct rpc_program		nlm_program = {
-		.name		= "lockd",
-		.number		= NLM_PROGRAM,
-		.nrvers		= sizeof(nlm_versions) / sizeof(nlm_versions[0]),
-		.version	= nlm_versions,
-		.stats		= &nlm_stats,
-};
-
-#ifdef RPC_DEBUG
-const char *nlmdbg_cookie2a(const struct nlm_cookie *cookie)
-{
-	/*
-	 * We can get away with a static buffer because we're only
-	 * called with BKL held.
-	 */
-	static char buf[2*NLM_MAXCOOKIELEN+1];
-	int i;
-	int len = sizeof(buf);
-	char *p = buf;
-
-	len--;	/* allow for trailing \0 */
-	if (len < 3)
-		return "???";
-	for (i = 0 ; i < cookie->len ; i++) {
-		if (len < 2) {
-			strcpy(p-3, "...");
-			break;
-		}
-		sprintf(p, "%02x", cookie->data[i]);
-		p += 2;
-		len -= 2;
-	}
-	*p = '\0';
-
-	return buf;
-}
-#endif