linux-kernel - Re: mmotm 2019-06-11-16-59 uploaded (ocfs2)

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Date:   Wed, 12 Jun 2019 18:18:13 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     broonie@...nel.org, mhocko@...e.cz, sfr@...b.auug.org.au,
        linux-next@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        mm-commits@...r.kernel.org, ocfs2-devel@....oracle.com,
        Mark Fasheh <mark@...heh.com>,
        Joel Becker <jlbec@...lplan.org>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>
Subject: Re: mmotm 2019-06-11-16-59 uploaded (ocfs2)

On Wed, 12 Jun 2019 07:15:30 -0700 Randy Dunlap <rdunlap@...radead.org> wrote:

> On 6/11/19 4:59 PM, akpm@...ux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2019-06-11-16-59 has been uploaded to
> > 
> >    http://www.ozlabs.org/~akpm/mmotm/
> > 
> > mmotm-readme.txt says
> > 
> > README for mm-of-the-moment:
> > 
> > http://www.ozlabs.org/~akpm/mmotm/
> > 
> > This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> > more than once a week.
> 
> 
> on i386:
> 
> ld: fs/ocfs2/dlmglue.o: in function `ocfs2_dlm_seq_show':
> dlmglue.c:(.text+0x46e4): undefined reference to `__udivdi3'

Thanks.  This, I guess:

--- a/fs/ocfs2/dlmglue.c~ocfs2-add-locking-filter-debugfs-file-fix
+++ a/fs/ocfs2/dlmglue.c
@@ -3115,7 +3115,7 @@ static int ocfs2_dlm_seq_show(struct seq
 		 * otherwise, only dump the last N seconds active lock
 		 * resources.
 		 */
-		if ((now - last) / 1000000 > dlm_debug->d_filter_secs)
+		if (div_u64(now - last, 1000000) > dlm_debug->d_filter_secs)
 			return 0;
 	}
 #endif

review and test, please?