On Tue, Aug 25, 2009 at 11:35 PM, David Teigland <<a href="mailto:teigland@redhat.com">teigland@redhat.com</a>> wrote: <div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="im">On Tue, Aug 25, 2009 at 11:10:03AM +0800, Jiaju Zhang wrote: > On Mon, Aug 24, 2009 at 10:31 PM, David Teigland <<a href="mailto:teigland@redhat.com">teigland@redhat.com</a>>wrote: > > > > > You're correct; yes the daemon could easily be changed to drop resources > > when > > there's no locking activity. We'd just set a poll timeout when > > plock_resources is non-empty and call drop_resources() if it times out. > > > > (If you simply want to work around this, you can write a little program to > > lock a file on the fs to trigger the drop.) > > > > Dave > > > Many thanks for your guidance :-) > So I write a patch to try to fix this. Review and comments are welcome. </div>Thanks, that looks like it would do the job, but the code is a little complicated. Here's a simpler patch, I've not tried it so it may not work :) </blockquote></div> The code is so elegant and it works fine :) Thanks, Jiaju