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Diffstat (limited to 'drivers/block/loop.h')
-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 b2251752452b..dfc54ceba410 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -54,6 +54,7 @@ struct loop_device {
spinlock_t lo_lock;
int lo_state;
+ struct mutex lo_ctl_mutex;
struct kthread_worker worker;
struct task_struct *worker_task;
bool use_dio;