[PATCH][COMPAT] compat_sys_fcntl{,64} 7/9 mips64 part

[Stephen Rothwell]

Hi Ralf,

Here is the mips64 part of the patch. Please apply after Linus has applied
the generic part.  This patch also depend on the previous compatibility
patch I sent you.

-- 
Cheers,
Stephen Rothwell                    [e-mail]
http://www.canb.auug.org.au/~sfr/

diff -ruN 2.5.64-2003030918-32bit.1/arch/mips64/kernel/linux32.c 2.5.64-2003030918-32bit.2/arch/mips64/kernel/linux32.c
--- 2.5.64-2003030918-32bit.1/arch/mips64/kernel/linux32.c	2003-03-05 15:59:10.000000000 +1100
+++ 2.5.64-2003030918-32bit.2/arch/mips64/kernel/linux32.c	2003-03-09 20:34:44.000000000 +1100
@@ -1068,50 +1068,6 @@
 	return sys_setsockopt(fd, level, optname, optval, optlen);
 }
 
-extern asmlinkage long
-sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
-
-asmlinkage long
-sys32_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	switch (cmd) {
-	case F_GETLK:
-	case F_SETLK:
-	case F_SETLKW:
-		{
-			struct flock f;
-			mm_segment_t old_fs;
-			long ret;
-			
-			if (get_compat_flock(&f, (struct compat_flock *)arg))
-				return -EFAULT;
-			old_fs = get_fs(); set_fs (KERNEL_DS);
-			ret = sys_fcntl(fd, cmd, (unsigned long)&f);
-			set_fs (old_fs);
-			if (put_compat_flock(&f, (struct compat_flock *)arg))
-				return -EFAULT;
-			return ret;
-		}
-	default:
-		return sys_fcntl(fd, cmd, (unsigned long)arg);
-	}
-}
-
-asmlinkage long
-sys32_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	switch (cmd) {
-	case F_GETLK64:
-		return sys_fcntl(fd, F_GETLK, arg);
-	case F_SETLK64:
-		return sys_fcntl(fd, F_SETLK, arg);
-	case F_SETLKW64:
-		return sys_fcntl(fd, F_SETLKW, arg);
-	}
-
-	return sys32_fcntl(fd, cmd, arg);
-}
-
 struct msgbuf32 { s32 mtype; char mtext[1]; };
 
 struct ipc_perm32
diff -ruN 2.5.64-2003030918-32bit.1/arch/mips64/kernel/scall_o32.S 2.5.64-2003030918-32bit.2/arch/mips64/kernel/scall_o32.S
--- 2.5.64-2003030918-32bit.1/arch/mips64/kernel/scall_o32.S	2003-03-05 15:59:10.000000000 +1100
+++ 2.5.64-2003030918-32bit.2/arch/mips64/kernel/scall_o32.S	2003-03-09 20:34:44.000000000 +1100
@@ -288,7 +288,7 @@
 	sys	sys_umount	2
 	sys	sys_ni_syscall	0
 	sys	sys32_ioctl	3
-	sys	sys32_fcntl	3			/* 4055 */
+	sys	compat_sys_fcntl	3		/* 4055 */
 	sys	sys_ni_syscall	2
 	sys	sys_setpgid	2
 	sys	sys_ni_syscall, 0
@@ -453,7 +453,7 @@
 	sys	sys_mincore	3
 	sys	sys_madvise	3
 	sys	sys_getdents64	3
-	sys	sys32_fcntl64	3			/* 4220 */
+	sys	compat_sys_fcntl64	3		/* 4220 */
 	sys	sys32_gettid	0
 	sys	sys32_tkill	2
 	.endm
diff -ruN 2.5.64-2003030918-32bit.1/include/asm-mips64/compat.h 2.5.64-2003030918-32bit.2/include/asm-mips64/compat.h
--- 2.5.64-2003030918-32bit.1/include/asm-mips64/compat.h	2003-03-05 15:59:10.000000000 +1100
+++ 2.5.64-2003030918-32bit.2/include/asm-mips64/compat.h	2003-03-09 20:34:45.000000000 +1100
@@ -62,8 +62,21 @@
 	short		l_whence;
 	compat_off_t	l_start;
 	compat_off_t	l_len;
+	s32		l_sysid;	/* ABI junk, unused on Linux */
+	compat_pid_t	l_pid;
+	s32		pad[4];		/* ABI junk, unused on Linux */
+};
+
+#define F_GETLK64	33	/*  using 'struct flock64' */
+#define F_SETLK64	34
+#define F_SETLKW64	35
+
+struct compat_flock64 {
+	short		l_type;
+	short		l_whence;
+	compat_loff_t	l_start;
+	compat_loff_t	l_len;
 	compat_pid_t	l_pid;
-	short		__unused;
 };
 
 struct compat_statfs {
@@ -87,4 +100,7 @@
 
 typedef u32		compat_sigset_word;
 
+#define COMPAT_OFF_T_MAX	0x7fffffff
+#define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL
+
 #endif /* _ASM_MIPS64_COMPAT_H */
diff -ruN 2.5.64-2003030918-32bit.1/include/asm-mips64/fcntl.h 2.5.64-2003030918-32bit.2/include/asm-mips64/fcntl.h
--- 2.5.64-2003030918-32bit.1/include/asm-mips64/fcntl.h	2001-09-10 03:43:02.000000000 +1000
+++ 2.5.64-2003030918-32bit.2/include/asm-mips64/fcntl.h	2003-03-09 20:34:45.000000000 +1100
@@ -43,12 +43,6 @@
 #define F_SETSIG	10	/*  for sockets. */
 #define F_GETSIG	11	/*  for sockets. */
 
-#ifdef __KERNEL__
-#define F_GETLK64	33	/*  using 'struct flock64' */
-#define F_SETLK64	34
-#define F_SETLKW64	35
-#endif
-
 /* for F_[GET|SET]FL */
 #define FD_CLOEXEC	1	/* actually anything with low bit set goes */
 
@@ -86,10 +80,6 @@
 	long  pad[4];			/* ZZZZZZZZZZZZZZZZZZZZZZZZZZ */
 } flock_t;
 
-#ifdef __KERNEL__
-#define flock64		flock
-#endif
-
 #define F_LINUX_SPECIFIC_BASE	1024
 
 #endif /* _ASM_FCNTL_H */