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-rw-r--r--drivers/md/dm-ps-historical-service-time.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-ps-historical-service-time.c b/drivers/md/dm-ps-historical-service-time.c
index 1856a1b125cc..875bca30a0dd 100644
--- a/drivers/md/dm-ps-historical-service-time.c
+++ b/drivers/md/dm-ps-historical-service-time.c
@@ -27,6 +27,7 @@
#include <linux/blkdev.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/sched/clock.h>
#define DM_MSG_PREFIX "multipath historical-service-time"