Change test_bit(PG_locked, &page->flags) to PageLocked().
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        struct inode *inode = page->mapping->host;
        struct super_block *sb = inode->i_sb;
 
-       BUG_ON(!test_bit(PG_locked, &page->flags));
+       BUG_ON(!PageLocked(page));
 
        if (!silent) {
                nilfs_warning(sb, __func__,