linux-kernel - [PATCH v2 2/8] samples/kobject: Replace foo_ktype's default

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Message-ID: <ff51525109ba2697b0e0f91b622c1473ee2d0141.1554151487.git.kimbrownkd@gmail.com>
Date:   Mon, 1 Apr 2019 22:51:24 -0400
From:   Kimberly Brown <kimbrownkd@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/8] samples/kobject: Replace foo_ktype's default_attrs
 field with groups

The kobj_type default_attrs field is being replaced by the
default_groups field. Replace foo_ktype's default_attrs field with
default_groups and use the ATTRIBUTE_GROUPS macro to create
foo_default_groups.

This patch was tested by loading the kset-example module and verifying
that the sysfs files for the attributes in the default group were
created.

Signed-off-by: Kimberly Brown <kimbrownkd@...il.com>
---
 samples/kobject/kset-example.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/samples/kobject/kset-example.c b/samples/kobject/kset-example.c
index 401328fd687d..c8010f126808 100644
--- a/samples/kobject/kset-example.c
+++ b/samples/kobject/kset-example.c
@@ -178,6 +178,7 @@ static struct attribute *foo_default_attrs[] = {
 	&bar_attribute.attr,
 	NULL,	/* need to NULL terminate the list of attributes */
 };
+ATTRIBUTE_GROUPS(foo_default);
 
 /*
  * Our own ktype for our kobjects.  Here we specify our sysfs ops, the
@@ -187,7 +188,7 @@ static struct attribute *foo_default_attrs[] = {
 static struct kobj_type foo_ktype = {
 	.sysfs_ops = &foo_sysfs_ops,
 	.release = foo_release,
-	.default_attrs = foo_default_attrs,
+	.default_groups = foo_default_groups,
 };
 
 static struct kset *example_kset;
-- 
2.17.1