padata: remove reorder_objects

reorder_objects is unused since the rework of padata's flushing, so
remove it.

Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/linux/padata.h

@@ -101,7 +101,6 @@ struct padata_cpumask {
  * @sh: padata_shell object.
  * @pqueue: percpu padata queues used for parallelization.
  * @squeue: percpu padata queues used for serialuzation.
- * @reorder_objects: Number of objects waiting in the reorder queues.
  * @refcnt: Number of objects holding a reference on this parallel_data.
  * @max_seq_nr:  Maximal used sequence number.
  * @processed: Number of already processed objects.
@@ -114,7 +113,6 @@ struct parallel_data {
 	struct padata_shell		*ps;
 	struct padata_parallel_queue	__percpu *pqueue;
 	struct padata_serial_queue	__percpu *squeue;
-	atomic_t			reorder_objects;
 	atomic_t			refcnt;
 	atomic_t			seq_nr;
 	unsigned int			processed;

kernel/padata.c

@@ -202,7 +202,6 @@ static struct padata_priv *padata_find_next(struct parallel_data *pd,
 
 	if (remove_object) {
 		list_del_init(&padata->list);
-		atomic_dec(&pd->reorder_objects);
 		++pd->processed;
 		pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1, false);
 	}
@@ -336,7 +335,6 @@ void padata_do_serial(struct padata_priv *padata)
 		if (cur->seq_nr < padata->seq_nr)
 			break;
 	list_add(&padata->list, &cur->list);
-	atomic_inc(&pd->reorder_objects);
 	spin_unlock(&pqueue->reorder.lock);
 
 	/*
@@ -455,7 +453,6 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps)
 	padata_init_pqueues(pd);
 	padata_init_squeues(pd);
 	atomic_set(&pd->seq_nr, -1);
-	atomic_set(&pd->reorder_objects, 0);
 	atomic_set(&pd->refcnt, 1);
 	spin_lock_init(&pd->lock);
 	pd->cpu = cpumask_first(pd->cpumask.pcpu);