DragonFly BSD
DragonFly bugs List (threaded) for 2010-12
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Re: [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 29 Dec 2010 00:49:12 -0800 (PST)

   Oh, put TDF_DEADLKTREAT back in guys.  That was indeed one place where
   an exclusive lock could wiggle its way in but the shared->exclusive
   upgrade also allows the same wiggling so my solution was to check for
   the wiggle instead of remove the wiggle.

						-Matt



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