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-rw-r--r--drivers/md/bcache/util.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index 1030c6020e98..3ebaef5f645b 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -2,6 +2,7 @@
#ifndef _BCACHE_UTIL_H
#define _BCACHE_UTIL_H
+#include <linux/blkdev.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/llist.h>
@@ -391,6 +392,11 @@ struct time_stats {
void bch_time_stats_update(struct time_stats *stats, uint64_t time);
+static inline unsigned local_clock_us(void)
+{
+ return local_clock() >> 10;
+}
+
#define NSEC_PER_ns 1L
#define NSEC_PER_us NSEC_PER_USEC
#define NSEC_PER_ms NSEC_PER_MSEC
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