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

Follow-Ups:
- Re: [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)
  - From: YONETANI Tomokazu <qhwt.dfly@les.ath.cx>

References:
- locking against myself in getcacheblk()?
  - From: YONETANI Tomokazu <qhwt.dfly@les.ath.cx>
- [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)
  - From: "Peter Avalos \(via DragonFly issue tracker\)" <sinknull@leaf.dragonflybsd.org>
- Re: [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)
  - From: YONETANI Tomokazu <qhwt.dfly@les.ath.cx>
- Re: [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)
  - From: Peter Avalos <peter@theshell.com>
- Re: [issue1942] non-zero exclusive count(Re: locking against myself in getcacheblk()?)
  - From: Peter Avalos <peter@theshell.com>

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