ext3_should_writeback_data 1565 fs/ext3/inode.c if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) ext3_should_writeback_data 1825 fs/ext3/inode.c else if (ext3_should_writeback_data(inode)) ext3_should_writeback_data 1856 fs/ext3/inode.c ext3_should_writeback_data(inode) && PageUptodate(page)) {