libceph: nuke time_sub()
Unused since ceph got merged into mainline I guess.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 30f92ce..85ae9a8 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -93,15 +93,6 @@
CEPH_MOUNT_SHUTDOWN,
};
-/*
- * subtract jiffies
- */
-static inline unsigned long time_sub(unsigned long a, unsigned long b)
-{
- BUG_ON(time_after(b, a));
- return (long)a - (long)b;
-}
-
struct ceph_mds_client;
/*
