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Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index f83d15f6e1c1..379f88d5c44d 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -48,6 +48,8 @@ struct blk_mq_hw_ctx {
unsigned int numa_node;
unsigned int cmd_size; /* per-request extra data */
+ atomic_t nr_active;
+
struct blk_mq_cpu_notifier cpu_notifier;
struct kobject kobj;
};
@@ -64,6 +66,9 @@ struct blk_mq_tag_set {
void *driver_data;
struct blk_mq_tags **tags;
+
+ struct mutex tag_list_lock;
+ struct list_head tag_list;
};
typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, struct request *);
@@ -126,8 +131,10 @@ enum {
BLK_MQ_F_SHOULD_MERGE = 1 << 0,
BLK_MQ_F_SHOULD_SORT = 1 << 1,
+ BLK_MQ_F_TAG_SHARED = 1 << 2,
BLK_MQ_S_STOPPED = 0,
+ BLK_MQ_S_TAG_ACTIVE = 1,
BLK_MQ_MAX_DEPTH = 2048,