rcu: Apply rcu_seq operations to _rcu_barrier()

The rcu_seq operations were open-coded in _rcu_barrier(), so this commit
replaces the open-coding with the shiny new rcu_seq operations.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 4edc277d08eb..5c1042d9c310 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -486,7 +486,7 @@ struct rcu_state {
         struct mutex barrier_mutex;             /* Guards barrier fields. */
         atomic_t barrier_cpu_count;             /* # CPUs waiting on. */
         struct completion barrier_completion;   /* Wake at barrier end. */
-        unsigned long n_barrier_done;           /* ++ at start and end of */
+        unsigned long barrier_sequence;         /* ++ at start and end of */
                                                 /*  _rcu_barrier(). */
         /* End of fields guarded by barrier_mutex. */