ocfs2: use max() to improve ocfs2_dlm_seq_show()

ocfs2: use max() to improve ocfs2_dlm_seq_show()

Use the max() macro to simplify the ocfs2_dlm_seq_show() function and
improve its readability.

Link: https://lkml.kernel.org/r/20240820021605.97887-3-thorsten.blum@toblux.com
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>