[PATCH] Fix nfsctl for larger dev_t

From: Andries.Brouwer@cwi.nl

The old NFS control interface passes dev_t's in from userspace.  This patch
keeps it working when the size of dev_t changes.

This is a deprecated interface - new nfs-utils uses an ascii representation
in exportfs.

Acked by Neil.

arch/ia64/ia32/sys_ia32.c

@@ -3040,7 +3040,6 @@ struct nfsctl_arg32 {
 #define ca32_svc	u.u32_svc
 #define ca32_client	u.u32_client
 #define ca32_export	u.u32_export
-#define ca32_authd	u.u32_authd
 #define ca32_debug	u.u32_debug
 };
 

arch/parisc/kernel/sys_parisc32.c

@@ -1131,7 +1131,7 @@ asmlinkage long sys32_msgrcv(int msqid,
 struct nfsctl_export32 {
 	char		ex_client[NFSCLNT_IDMAX+1];
 	char		ex_path[NFS_MAXPATHLEN+1];
-	__kernel_dev_t	ex_dev;
+	__kernel_old_dev_t ex_dev;
 	compat_ino_t	ex_ino;
 	int		ex_flags;
 	__kernel_uid_t	ex_anon_uid;

arch/ppc64/kernel/sys_ppc32.c

@@ -910,7 +910,6 @@ struct nfsctl_arg32 {
 #define ca32_export	u.u32_export
 #define ca32_getfd	u.u32_getfd
 #define ca32_getfs	u.u32_getfs
-#define ca32_authd	u.u32_authd
 };
 
 union nfsctl_res32 {

arch/sparc64/kernel/sys_sparc32.c

@@ -2133,7 +2133,6 @@ struct nfsctl_arg32 {
 #define ca32_export	u.u32_export
 #define ca32_getfd	u.u32_getfd
 #define ca32_getfs	u.u32_getfs
-#define ca32_authd	u.u32_authd
 };
 
 union nfsctl_res32 {

arch/x86_64/ia32/sys_ia32.c

@@ -1708,7 +1708,6 @@ struct nfsctl_arg32 {
 #define ca32_export	u.u32_export
 #define ca32_getfd	u.u32_getfd
 #define ca32_getfs	u.u32_getfs
-#define ca32_authd	u.u32_authd
 };
 
 union nfsctl_res32 {

include/linux/nfsd/syscall.h

@@ -59,7 +59,7 @@ struct nfsctl_client {
 struct nfsctl_export {
 	char			ex_client[NFSCLNT_IDMAX+1];
 	char			ex_path[NFS_MAXPATHLEN+1];
-	__kernel_dev_t		ex_dev;
+	__kernel_old_dev_t	ex_dev;
 	__kernel_ino_t		ex_ino;
 	int			ex_flags;
 	__kernel_uid_t		ex_anon_uid;
@@ -104,7 +104,6 @@ struct nfsctl_arg {
 #define ca_export	u.u_export
 #define ca_getfd	u.u_getfd
 #define	ca_getfs	u.u_getfs
-#define ca_authd	u.u_authd
 };
 
 union nfsctl_res {