nbd: use dev_err_ratelimited in io path

[karo-tx-linux.git] / block / blk-mq.h

diff --git a/block/blk-mq.h b/block/blk-mq.h
index e5d25249028c746c2876c668aa040bcf352b70c6..b444370ae05ba03ffb730812a4397b199e3383d9 100644 (file)
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -1,6 +1,8 @@
 #ifndef INT_BLK_MQ_H
 #define INT_BLK_MQ_H
 
+#include "blk-stat.h"
+
 struct blk_mq_tag_set;
 
 struct blk_mq_ctx {
@@ -18,6 +20,7 @@ struct blk_mq_ctx {
 
        /* incremented at completion time */
        unsigned long           ____cacheline_aligned_in_smp rq_completed[2];
+       struct blk_rq_stat      stat[2];
 
        struct request_queue    *queue;
        struct kobject          kobj;
@@ -100,6 +103,11 @@ static inline void blk_mq_set_alloc_data(struct blk_mq_alloc_data *data,
        data->hctx = hctx;
 }
 
+static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
+{
+       return test_bit(BLK_MQ_S_STOPPED, &hctx->state);
+}
+
 static inline bool blk_mq_hw_queue_mapped(struct blk_mq_hw_ctx *hctx)
 {
        return hctx->nr_ctx && hctx->tags;