1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index b85f3ff34d7d..f010f18a0f86 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -751,6 +751,7 @@ struct ata_port {
         struct ata_host         *host;
         struct device           *dev;
 
+        struct mutex            scsi_scan_mutex;
         struct delayed_work     hotplug_task;
         struct work_struct      scsi_rescan_task;