[Cluster-devel] Re: [PATCH 2/2] dlm: Add down/up_write_non_owner to keep lockdep happy

2009-11-13 Thread Steven Whitehouse
Hi, On Thu, 2009-11-12 at 12:34 -0600, David Teigland wrote: On Thu, Nov 12, 2009 at 05:24:12PM +, Steven Whitehouse wrote: Nov 12 15:10:01 chywoon kernel: [ INFO: possible recursive locking detected ] That recursive locking trace is something different. up_write_non_owner()

[Cluster-devel] Re: [PATCH 2/2] dlm: Add down/up_write_non_owner to keep lockdep happy

2009-11-12 Thread Steven Whitehouse
Hi, On Thu, 2009-11-12 at 17:45 +0100, Peter Zijlstra wrote: On Thu, 2009-11-12 at 11:14 -0600, David Teigland wrote: up_write_non_owner() addresses this trace, which as you say, is from doing the down and up from different threads (which is the intention): That's really something I