linux-kernel - [PATCH] f2fs: make kobj

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Message-Id: <20230209-kobj_type-f2fs-v1-1-b6feedbdd4a8@weissschuh.net>
Date:   Thu, 09 Feb 2023 03:20:10 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] f2fs: make kobj_type structures constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 fs/f2fs/sysfs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 83a366f3ee80..43f1ff1b92ba 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1129,13 +1129,13 @@ static const struct sysfs_ops f2fs_attr_ops = {
 	.store	= f2fs_attr_store,
 };
 
-static struct kobj_type f2fs_sb_ktype = {
+static const struct kobj_type f2fs_sb_ktype = {
 	.default_groups = f2fs_groups,
 	.sysfs_ops	= &f2fs_attr_ops,
 	.release	= f2fs_sb_release,
 };
 
-static struct kobj_type f2fs_ktype = {
+static const struct kobj_type f2fs_ktype = {
 	.sysfs_ops	= &f2fs_attr_ops,
 };
 
@@ -1143,7 +1143,7 @@ static struct kset f2fs_kset = {
 	.kobj	= {.ktype = &f2fs_ktype},
 };
 
-static struct kobj_type f2fs_feat_ktype = {
+static const struct kobj_type f2fs_feat_ktype = {
 	.default_groups = f2fs_feat_groups,
 	.sysfs_ops	= &f2fs_attr_ops,
 };
@@ -1184,7 +1184,7 @@ static const struct sysfs_ops f2fs_stat_attr_ops = {
 	.store	= f2fs_stat_attr_store,
 };
 
-static struct kobj_type f2fs_stat_ktype = {
+static const struct kobj_type f2fs_stat_ktype = {
 	.default_groups = f2fs_stat_groups,
 	.sysfs_ops	= &f2fs_stat_attr_ops,
 	.release	= f2fs_stat_kobj_release,
@@ -1211,7 +1211,7 @@ static const struct sysfs_ops f2fs_feature_list_attr_ops = {
 	.show	= f2fs_sb_feat_attr_show,
 };
 
-static struct kobj_type f2fs_feature_list_ktype = {
+static const struct kobj_type f2fs_feature_list_ktype = {
 	.default_groups = f2fs_sb_feat_groups,
 	.sysfs_ops	= &f2fs_feature_list_attr_ops,
 	.release	= f2fs_feature_list_kobj_release,

---
base-commit: 0983f6bf2bfc0789b51ddf7315f644ff4da50acb
change-id: 20230209-kobj_type-f2fs-ba2302c4b920

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>