rcu: Rename rcu_data's ->deferred_qs to ->exp_deferred_qs

The rcu_data structure's ->deferred_qs field is used to indicate that the
current CPU is blocking an expedited grace period (perhaps a future one).
Given that it is used only for expedited grace periods, its current name
is misleading, so this commit renames it to ->exp_deferred_qs.

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

1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index de1b4acf6979..e0c928d04be5 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -250,7 +250,7 @@ static void rcu_report_exp_cpu_mult(struct rcu_node *rnp,
  */
 static void rcu_report_exp_rdp(struct rcu_data *rdp)
 {
-        WRITE_ONCE(rdp->deferred_qs, false);
+        WRITE_ONCE(rdp->exp_deferred_qs, false);
         rcu_report_exp_cpu_mult(rdp->mynode, rdp->grpmask, true);
 }
 
@@ -616,7 +616,7 @@ static void rcu_exp_handler(void *unused)
                     rcu_dynticks_curr_cpu_in_eqs()) {
                         rcu_report_exp_rdp(rdp);
                 } else {
-                        rdp->deferred_qs = true;
+                        rdp->exp_deferred_qs = true;
                         set_tsk_need_resched(t);
                         set_preempt_need_resched();
                 }
@@ -638,7 +638,7 @@ static void rcu_exp_handler(void *unused)
         if (t->rcu_read_lock_nesting > 0) {
                 raw_spin_lock_irqsave_rcu_node(rnp, flags);
                 if (rnp->expmask & rdp->grpmask) {
-                        rdp->deferred_qs = true;
+                        rdp->exp_deferred_qs = true;
                         t->rcu_read_unlock_special.b.exp_hint = true;
                 }
                 raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
@@ -661,7 +661,7 @@ static void rcu_exp_handler(void *unused)
          *
          * Otherwise, force a context switch after the CPU enables everything.
          */
-        rdp->deferred_qs = true;
+        rdp->exp_deferred_qs = true;
         if (!(preempt_count() & (PREEMPT_MASK | SOFTIRQ_MASK)) ||
             WARN_ON_ONCE(rcu_dynticks_curr_cpu_in_eqs())) {
                 rcu_preempt_deferred_qs(t);