linux-kernel - [PATCH v2 2/5] padata: remove reorder

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Message-Id: <20190828221425.22701-3-daniel.m.jordan@oracle.com>
Date:   Wed, 28 Aug 2019 18:14:22 -0400
From:   Daniel Jordan <daniel.m.jordan@...cle.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        Daniel Jordan <daniel.m.jordan@...cle.com>
Subject: [PATCH v2 2/5] 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@...cle.com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Steffen Klassert <steffen.klassert@...unet.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 include/linux/padata.h | 2 --
 kernel/padata.c        | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/include/linux/padata.h b/include/linux/padata.h
index 1c73f9cc7b72..720e970cda0a 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -103,7 +103,6 @@ struct padata_cpumask {
  * @pinst: padata instance.
  * @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.
  * @flushing_done: Wait for all objects to be sent out.
  * @max_seq_nr:  Maximal used sequence number.
@@ -116,7 +115,6 @@ struct parallel_data {
 	struct padata_instance		*pinst;
 	struct padata_parallel_queue	__percpu *pqueue;
 	struct padata_serial_queue	__percpu *squeue;
-	atomic_t			reorder_objects;
 	atomic_t			refcnt;
 	struct completion		flushing_done;
 	atomic_t			seq_nr;
diff --git a/kernel/padata.c b/kernel/padata.c
index 958166e23123..2bfce01c5b85 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -179,7 +179,6 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd)
 				    struct padata_priv, list);
 
 		list_del_init(&padata->list);
-		atomic_dec(&pd->reorder_objects);
 
 		pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1,
 					    false);
@@ -323,7 +322,6 @@ void padata_do_serial(struct padata_priv *padata)
 
 	spin_lock(&pqueue->reorder.lock);
 	list_add_tail(&padata->list, &pqueue->reorder.list);
-	atomic_inc(&pd->reorder_objects);
 	spin_unlock(&pqueue->reorder.lock);
 
 	/*
@@ -423,7 +421,6 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 	padata_init_pqueues(pd);
 	padata_init_squeues(pd);
 	atomic_set(&pd->seq_nr, -1);
-	atomic_set(&pd->reorder_objects, 0);
 	/* Initial ref dropped in padata_flush_queues. */
 	atomic_set(&pd->refcnt, 1);
 	init_completion(&pd->flushing_done);
-- 
2.23.0