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-rw-r--r--drivers/block/loop.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
index af75a5ee4094..a3c04f310672 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -62,6 +62,7 @@ struct loop_device {
struct request_queue *lo_queue;
struct blk_mq_tag_set tag_set;
struct gendisk *lo_disk;
+ struct mutex lo_mutex;
};
struct loop_cmd {