xfs: replace unnecessary seq_printf with seq_puts

Replace seq_printf with seq_puts when const string
in reference, which would avoid to deal with
unnecessary string format.
Signed-off-by: NZeng Heng <zengheng4@huawei.com>
Reviewed-by: NDarrick J. Wong <djwong@kernel.org>
Signed-off-by: NDave Chinner <david@fromorbit.com>

fs/xfs/xfs_stats.c

@@ -125,7 +125,7 @@ static int xqmstat_proc_show(struct seq_file *m, void *v)
 {
 	int j;
 
-	seq_printf(m, "qm");
+	seq_puts(m, "qm");
 	for (j = XFSSTAT_START_XQMSTAT; j < XFSSTAT_END_XQMSTAT; j++)
 		seq_printf(m, " %u", counter_val(xfsstats.xs_stats, j));
 	seq_putc(m, '\n');