The counter for the number of allocated pages includes pages in the
mempool's reserve, so checking that the number of allocated pages is 0
needs to happen after we exit the mempool.
Fixes: cb59d3dc59f5 ("dm: convert to bioset_init()/mempool_init()")
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Fixed to always just use percpu_counter_sum()
Signed-off-by: Jens Axboe <axboe@kernel.dk>
bioset_exit(&cc->bs);
- if (mempool_initialized(&cc->page_pool))
- WARN_ON(percpu_counter_sum(&cc->n_allocated_pages) != 0);
- percpu_counter_destroy(&cc->n_allocated_pages);
-
mempool_exit(&cc->page_pool);
mempool_exit(&cc->req_pool);
mempool_exit(&cc->tag_pool);
+ WARN_ON(percpu_counter_sum(&cc->n_allocated_pages) != 0);
+ percpu_counter_destroy(&cc->n_allocated_pages);
+
if (cc->iv_gen_ops && cc->iv_gen_ops->dtr)
cc->iv_gen_ops->dtr(cc);