fs: rename buffer trylock

Like the page lock change, this also requires name change, so convert the
raw test_and_set bitop to a trylock.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ntfs/compress.c

@@ -665,7 +665,7 @@ lock_retry_remap:
 	for (i = 0; i < nr_bhs; i++) {
 		struct buffer_head *tbh = bhs[i];
 
-		if (unlikely(test_set_buffer_locked(tbh)))
+		if (!trylock_buffer(tbh))
 			continue;
 		if (unlikely(buffer_uptodate(tbh))) {
 			unlock_buffer(tbh);