1 files changed, 6 insertions, 0 deletions

diff --git a/block/blk.h b/block/blk.h
index 026d9594142b..838188b35a83 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -22,6 +22,12 @@ struct blk_flush_queue {
         struct list_head        flush_queue[2];
         struct list_head        flush_data_in_flight;
         struct request          *flush_rq;
+
+        /*
+         * flush_rq shares tag with this rq, both can't be active
+         * at the same time
+         */
+        struct request          *orig_rq;
         spinlock_t              mq_flush_lock;
 };