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From: John Baldwin <jhb@freebsd.org>
To: Davide Italiano <davide@freebsd.org>
Subject: Re: svn commit: r254703 - in head: share/man/man9 sys/sys
Date: Fri, 23 Aug 2013 10:51:08 -0400
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On Friday, August 23, 2013 10:12:39 am Davide Italiano wrote:
> Author: davide
> Date: Fri Aug 23 14:12:39 2013
> New Revision: 254703
> URL: http://svnweb.freebsd.org/changeset/base/254703
> 
> Log:
>   Introduce callout_init_rm() so that callouts can be used in conjunction
>   with rmlocks. This works only with non-sleepable rm because handlers run
>   in SWI context. While here, document the new KPI in the timeout(9)
>   manpage.

It also only works with exclusive locks.  (lc_unlock/lc_lock only handle
write locks for rmlocks).

-- 
John Baldwin