linux-kernel - [PATCH] drivers: block: Directly use ida

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Message-ID: <20220527075010.2475520-1-liuke94@huawei.com>
Date:   Fri, 27 May 2022 07:50:10 +0000
From:   keliu <liuke94@...wei.com>
To:     <axboe@...nel.dk>, <idryomov@...il.com>,
        <dongsheng.yang@...ystack.cn>, <mst@...hat.com>,
        <jasowang@...hat.com>, <pbonzini@...hat.com>,
        <stefanha@...hat.com>, <kch@...dia.com>, <ming.lei@...hat.com>,
        <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ceph-devel@...r.kernel.org>,
        <virtualization@...ts.linux-foundation.org>
CC:     keliu <liuke94@...wei.com>
Subject: [PATCH] drivers: block: Directly use ida_alloc()/free()

Use ida_alloc()/ida_free() instead of deprecated
ida_simple_get()/ida_simple_remove() .

Signed-off-by: keliu <liuke94@...wei.com>
---
 drivers/block/null_blk/main.c | 4 ++--
 drivers/block/rbd.c           | 4 ++--
 drivers/block/virtio_blk.c    | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index c441a4972064..a189f6ba3496 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1724,7 +1724,7 @@ static void null_del_dev(struct nullb *nullb)
 
 	dev = nullb->dev;
 
-	ida_simple_remove(&nullb_indexes, nullb->index);
+	ida_free(&nullb_indexes, nullb->index);
 
 	list_del_init(&nullb->list);
 
@@ -2044,7 +2044,7 @@ static int null_add_dev(struct nullb_device *dev)
 	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, nullb->q);
 
 	mutex_lock(&lock);
-	nullb->index = ida_simple_get(&nullb_indexes, 0, 0, GFP_KERNEL);
+	nullb->index = ida_alloc(&nullb_indexes, GFP_KERNEL);
 	dev->index = nullb->index;
 	mutex_unlock(&lock);
 
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index b844432bad20..6508085d3dd5 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5280,7 +5280,7 @@ static void rbd_dev_release(struct device *dev)
 
 	if (need_put) {
 		destroy_workqueue(rbd_dev->task_wq);
-		ida_simple_remove(&rbd_dev_id_ida, rbd_dev->dev_id);
+		ida_free(&rbd_dev_id_ida, rbd_dev->dev_id);
 	}
 
 	rbd_dev_free(rbd_dev);
@@ -5381,7 +5381,7 @@ static struct rbd_device *rbd_dev_create(struct rbd_client *rbdc,
 	return rbd_dev;
 
 fail_dev_id:
-	ida_simple_remove(&rbd_dev_id_ida, rbd_dev->dev_id);
+	ida_free(&rbd_dev_id_ida, rbd_dev->dev_id);
 fail_rbd_dev:
 	rbd_dev_free(rbd_dev);
 	return NULL;
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index a8bcf3f664af..d8f4e98a80a7 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -415,7 +415,7 @@ static void virtblk_free_disk(struct gendisk *disk)
 {
 	struct virtio_blk *vblk = disk->private_data;
 
-	ida_simple_remove(&vd_index_ida, vblk->index);
+	ida_free(&vd_index_ida, vblk->index);
 	mutex_destroy(&vblk->vdev_mutex);
 	kfree(vblk);
 }
@@ -917,7 +917,7 @@ static int virtblk_probe(struct virtio_device *vdev)
 out_free_vblk:
 	kfree(vblk);
 out_free_index:
-	ida_simple_remove(&vd_index_ida, index);
+	ida_free(&vd_index_ida, index);
 out:
 	return err;
 }
-- 
2.25.1