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From: Jaakko Heinonen <jh@FreeBSD.org>
Date: Wed, 5 May 2010 18:53:24 +0000 (UTC)
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Subject: cvs commit: src/sys/geom geom.h geom_subr.c
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jh          2010-05-05 18:53:24 UTC

  FreeBSD src repository

  Modified files:
    sys/geom             geom.h geom_subr.c 
  Log:
  SVN rev 207671 on 2010-05-05 18:53:24Z by jh
  
  Fix deadlock between GEOM class unloading and withering. Withering can't
  proceed while g_unload_class() blocks the event thread. Fix this by not
  running g_unload_class() as a GEOM event and dropping the topology lock
  when withering needs to proceed.
  
  PR:             kern/139847
  Silence on:     freebsd-geom
  
  Revision  Changes    Path
  1.107     +3 -0      src/sys/geom/geom.h
  1.110     +51 -47    src/sys/geom/geom_subr.c