linux-kernel - [PATCH 2/4] kobject: export generic helper ops

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Message-ID: <20241003151435.3753959-3-aahringo@redhat.com>
Date: Thu,  3 Oct 2024 11:14:33 -0400
From: Alexander Aring <aahringo@...hat.com>
To: trondmy@...nel.org
Cc: anna@...nel.org,
	bcodding@...hat.com,
	gregkh@...uxfoundation.org,
	rafael@...nel.org,
	akpm@...ux-foundation.org,
	linux-nfs@...r.kernel.org,
	gfs2@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] kobject: export generic helper ops

This patch exports generic helpers like kset_release() and
kset_get_ownership() so users can use them in their own struct kobj_type
implementation instead of implementing their own functions that do the
same.

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Alexander Aring <aahringo@...hat.com>
---
 include/linux/kobject.h | 2 ++
 lib/kobject.c           | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 7504b7547ed2..5fbc358e2be6 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -181,6 +181,8 @@ kset_type_create_and_add(const char *name, const struct kset_uevent_ops *u,
 struct kset * __must_check
 kset_create_and_add(const char *name, const struct kset_uevent_ops *u,
 		    struct kobject *parent_kobj);
+void kset_release(struct kobject *kobj);
+void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid);
 
 static inline struct kset *to_kset(struct kobject *kobj)
 {
diff --git a/lib/kobject.c b/lib/kobject.c
index 09dd3d4c7f56..ccd2f6282c81 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -920,19 +920,21 @@ struct kobject *kset_find_obj(struct kset *kset, const char *name)
 }
 EXPORT_SYMBOL_GPL(kset_find_obj);
 
-static void kset_release(struct kobject *kobj)
+void kset_release(struct kobject *kobj)
 {
 	struct kset *kset = container_of(kobj, struct kset, kobj);
 	pr_debug("'%s' (%p): %s\n",
 		 kobject_name(kobj), kobj, __func__);
 	kfree(kset);
 }
+EXPORT_SYMBOL_GPL(kset_release);
 
-static void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid)
+void kset_get_ownership(const struct kobject *kobj, kuid_t *uid, kgid_t *gid)
 {
 	if (kobj->parent)
 		kobject_get_ownership(kobj->parent, uid, gid);
 }
+EXPORT_SYMBOL_GPL(kset_get_ownership);
 
 static const struct kobj_type kset_ktype = {
 	.sysfs_ops	= &kobj_sysfs_ops,
-- 
2.43.0