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blk-mq: remove unused 'nr_expired' from blk_mq_hw_ctx
There is no usage of 'nr_expired'. The 'nr_expired' was introduced by commit1d9bd5161b
("blk-mq: replace timeout synchronization with a RCU and generation based scheme"). Its usage was removed since commit12f5b93145
("blk-mq: Remove generation seqeunce"). Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -57,7 +57,6 @@ struct blk_mq_hw_ctx {
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unsigned int queue_num;
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atomic_t nr_active;
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unsigned int nr_expired;
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struct hlist_node cpuhp_dead;
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struct kobject kobj;
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