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>

1 files changed, 0 insertions, 9 deletions

diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 30f92cefaa72..85ae9a889a3f 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -93,15 +93,6 @@ enum {
         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;
 
 /*