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-rw-r--r--include/linux/loop.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/loop.h b/include/linux/loop.h
index f96506782eb..e76c7611d6c 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -17,6 +17,7 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
/* Possible states of device */
enum {
@@ -60,7 +61,7 @@ struct loop_device {
int lo_state;
struct completion lo_done;
struct completion lo_bh_done;
- struct semaphore lo_ctl_mutex;
+ struct mutex lo_ctl_mutex;
int lo_pending;
request_queue_t *lo_queue;