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Re: [Linux-cluster] Specifyng the AST routine in dlm_unlock()



On Wed, Jul 28, 2004 at 11:57:03AM -0400, Jeff wrote:
> Wednesday, July 28, 2004, 11:38:40 AM, David Teigland wrote:
> 
> > On Wed, Jul 28, 2004 at 11:15:17AM -0400, Jeff wrote:
> >> dlm_unlock() is documented as being asynchronous and it
> >> takes an astarg as one of its arguments. However it does
> >> not take an AST routine as an argument.
> >> 
> >> What routine gets executed when an unlock completes?
> 
> > The AST routine from dlm_lock() is saved and used for dlm_unlock().
> 
> This makes it difficult to update an application which works
> with other DLM's as all the completion AST routines need to be
> updated to test for EUNLOCK to figure out why they've been
> invoked.
> 
> Would it be possible to add an optional argument to dlm_unlock()
> for the AST routine to call when the unlock completes?
> If this is omitted, the existing completion AST routine is
> executed.

It should be simple to add an AST routine as an arg to dlm_unlock().

-- 
Dave Teigland  <teigland redhat com>


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