From: Christoph Hellwig <hch@lst.de>
Date: Wed, 11 Aug 2021 14:44:25 +0200
Subject: [PATCH] nbd: remove nbd_del_disk
Git-commit: 327b501b1d94342fe17a1b6b1a40746e57ddd472
Patch-mainline: v5.15-rc1
References: jsc#PED-1183
Fold nbd_del_disk and remove the pointless NULL check on ->disk given
that it is always set for a successfully allocated nbd_device structure.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210811124428.2368491-4-hch@lst.de
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/block/nbd.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a9883fbed924..48530fe01c0f 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -235,17 +235,6 @@ static const struct device_attribute backend_attr = {
.show = backend_show,
};
-static void nbd_del_disk(struct nbd_device *nbd)
-{
- struct gendisk *disk = nbd->disk;
-
- if (disk) {
- del_gendisk(disk);
- blk_cleanup_disk(disk);
- blk_mq_free_tag_set(&nbd->tag_set);
- }
-}
-
/*
* Place this in the last just before the nbd is freed to
* make sure that the disk and the related kobject are also
@@ -261,7 +250,11 @@ static void nbd_notify_destroy_completion(struct nbd_device *nbd)
static void nbd_dev_remove(struct nbd_device *nbd)
{
- nbd_del_disk(nbd);
+ struct gendisk *disk = nbd->disk;
+
+ del_gendisk(disk);
+ blk_cleanup_disk(disk);
+ blk_mq_free_tag_set(&nbd->tag_set);
/*
* Remove from idr after del_gendisk() completes, so if the same ID is
--
2.35.3