blk-mq: replace timeout synchronization with a RCU and generation based scheme

[linux.git] / include / linux / blk-mq.h

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 95c9a5c862e2545b26922b3cbb2103200a29a888..460798dbac1fd40c981051cc8a88d4eb8cfdba10 100644 (file)
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -51,6 +51,7 @@ struct blk_mq_hw_ctx {
        unsigned int            queue_num;
 
        atomic_t                nr_active;
+       unsigned int            nr_expired;
 
        struct hlist_node       cpuhp_dead;
        struct kobject          kobj;