unicode: Export latest available UTF-8 version number

Export latest available UTF-8 version number so filesystems can easily
load the newest one.

Signed-off-by: André Almeida <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Gabriel Krisman Bertazi <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>

Author: andrealmeid

fs/unicode/utf8-selftest.c

@@ -17,9 +17,6 @@
 static unsigned int failed_tests;
 static unsigned int total_tests;
 
-/* Tests will be based on this version. */
-#define UTF8_LATEST	UNICODE_AGE(12, 1, 0)
-
 #define _test(cond, func, line, fmt, ...) do {				\
 		total_tests++;						\
 		if (!cond) {						\

include/linux/unicode.h

@@ -16,6 +16,8 @@ struct utf8data_table;
 	 ((unsigned int)(MIN) << UNICODE_MIN_SHIFT) |	\
 	 ((unsigned int)(REV)))
 
+#define UTF8_LATEST        UNICODE_AGE(12, 1, 0)
+
 static inline u8 unicode_major(unsigned int age)
 {
 	return (age >> UNICODE_MAJ_SHIFT) & 0xff;