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-rw-r--r--include/linux/blkdev.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8699bcf..518b465 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -21,6 +21,7 @@
#include <linux/bsg.h>
#include <linux/smp.h>
#include <linux/rcupdate.h>
+#include <linux/percpu-refcount.h>
#include <asm/scatterlist.h>
@@ -470,6 +471,7 @@ struct request_queue {
struct mutex sysfs_lock;
int bypass_depth;
+ int mq_freeze_depth;
#if defined(CONFIG_BLK_DEV_BSG)
bsg_job_fn *bsg_job_fn;
@@ -483,7 +485,7 @@ struct request_queue {
#endif
struct rcu_head rcu_head;
wait_queue_head_t mq_freeze_wq;
- struct percpu_counter mq_usage_counter;
+ struct percpu_ref mq_usage_counter;
struct list_head all_q_node;
struct blk_mq_tag_set *tag_set;
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