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dm cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata…
…_abort commit 352b837 upstream. Same ABBA deadlock pattern fixed in commit 4b60f452ec51 ("dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata") to DM-cache's metadata. Reported-by: Zhihao Cheng <chengzhihao1@huawei.com> Cc: stable@vger.kernel.org Fixes: 028ae9f ("dm cache: add fail io mode and needs_check flag") Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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