parisc: fix fallocate syscall

fallocate(off_t) gets redirected by glibc to fallocate64(loff_t)
where the 64bit loff_t values get splitted into two 32bit (hi/lo)
values. This patch fixes this syscall for the 32- and 64bit kernel.

Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/kernel/sys_parisc.c

@@ -213,6 +213,13 @@ asmlinkage long parisc_sync_file_range(int fd,
 			(loff_t)hi_nbytes << 32 | lo_nbytes, flags);
 }
 
+asmlinkage long parisc_fallocate(int fd, int mode, u32 offhi, u32 offlo,
+				u32 lenhi, u32 lenlo)
+{
+        return sys_fallocate(fd, mode, ((u64)offhi << 32) | offlo,
+                             ((u64)lenhi << 32) | lenlo);
+}
+
 asmlinkage unsigned long sys_alloc_hugepages(int key, unsigned long addr, unsigned long len, int prot, int flag)
 {
 	return -ENOMEM;

arch/parisc/kernel/sys_parisc32.c

@@ -142,13 +142,6 @@ long sys32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf,
 				  buf, len);
 }
 
-asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo,
-				u32 lenhi, u32 lenlo)
-{
-        return sys_fallocate(fd, mode, ((loff_t)offhi << 32) | offlo,
-                             ((loff_t)lenhi << 32) | lenlo);
-}
-
 asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi,
 					 u32 mask_lo, int fd,
 					 const char __user *pathname)

arch/parisc/kernel/syscall_table.S

@@ -403,7 +403,7 @@
 	ENTRY_COMP(signalfd)
 	ENTRY_SAME(ni_syscall)		/* was timerfd */
 	ENTRY_SAME(eventfd)
-	ENTRY_COMP(fallocate)		/* 305 */
+	ENTRY_OURS(fallocate)		/* 305 */
 	ENTRY_SAME(timerfd_create)
 	ENTRY_COMP(timerfd_settime)
 	ENTRY_COMP(timerfd_gettime)