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2b36f412ab
We need to keep some state for a pending asynchronous lock request, so this patch adds that state to struct nlm_block. This also adds a function which defers the request, by calling rqstp->rq_chandle.defer and storing the resulting deferred request in a nlm_block structure which we insert into lockd's global block list. That new function isn't called yet, so it's dead code until a later patch. Signed-off-by: Marc Eshel <eshel@almaden.ibm.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>