Re: [CHECKER] potential NFS deadlock in 2.6.8.1

[Greg Banks]

On Wed, 2004-09-08 at 12:49, Dawson Engler wrote:
> Hi All,
> 
> below is a possible deadlock in the linux-2.6.8.1 NFS found by a static
> deadlock checker I'm writing.  Let me know if it looks valid and/or
> whether the output is too cryptic.

Your static analysis and presentation is fine (nice work).  However
the deadlock can't occur in practice because the nfs4_state_shutdown()
function is only called from nfsd() by the last nfsd thread to die
when NFS is being shut down, so there is no thread B to deadlock with.

Greg.
-- 
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.


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