linux-kernel - [PATCH 2/4] block: constify struct part_type part

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Message-Id: <20230419-const-partition-v1-2-2d66f2d83873@weissschuh.net>
Date:   Wed, 19 Apr 2023 09:50:02 +0200
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 2/4] block: constify struct part_type part_type

The struct is never modified so it can be const.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 block/partitions/core.c | 2 +-
 include/linux/blkdev.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/partitions/core.c b/block/partitions/core.c
index 667f3dcebd59..812407ea38e9 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -264,7 +264,7 @@ static int part_uevent(const struct device *dev, struct kobj_uevent_env *env)
 	return 0;
 }
 
-struct device_type part_type = {
+const struct device_type part_type = {
 	.name		= "partition",
 	.groups		= part_attr_groups,
 	.release	= part_release,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 941304f17492..de783481ec71 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -41,7 +41,7 @@ struct blk_stat_callback;
 struct blk_crypto_profile;
 
 extern const struct device_type disk_type;
-extern struct device_type part_type;
+extern const struct device_type part_type;
 extern struct class block_class;
 
 /* Must be consistent with blk_mq_poll_stats_bkt() */

-- 
2.40.0