linux-kernel - [PATCH] block/rnbd-clt-sysfs: use default_groups in kobj

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Date:   Tue,  4 Jan 2022 17:29:47 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Md. Haris Iqbal" <haris.iqbal@...os.com>,
        Jack Wang <jinpu.wang@...os.com>, Jens Axboe <axboe@...nel.dk>,
        linux-block@...r.kernel.org
Subject: [PATCH] block/rnbd-clt-sysfs: use default_groups in kobj_type

There are currently 2 ways to create a set of sysfs files for a
kobj_type, through the default_attrs field, and the default_groups
field.  Move the rnbd controller sysfs code to use default_groups field
which has been the preferred way since aa30f47cf666 ("kobject: Add
support for default attribute groups to kobj_type") so that we can soon
get rid of the obsolete default_attrs field.

Cc: "Md. Haris Iqbal" <haris.iqbal@...os.com>
Cc: Jack Wang <jinpu.wang@...os.com>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/block/rnbd/rnbd-clt-sysfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/block/rnbd/rnbd-clt-sysfs.c b/drivers/block/rnbd/rnbd-clt-sysfs.c
index 44e45af00e83..2be5d87a3ca6 100644
--- a/drivers/block/rnbd/rnbd-clt-sysfs.c
+++ b/drivers/block/rnbd/rnbd-clt-sysfs.c
@@ -452,6 +452,7 @@ static struct attribute *rnbd_dev_attrs[] = {
 	&rnbd_clt_nr_poll_queues.attr,
 	NULL,
 };
+ATTRIBUTE_GROUPS(rnbd_dev);
 
 void rnbd_clt_remove_dev_symlink(struct rnbd_clt_dev *dev)
 {
@@ -474,7 +475,7 @@ void rnbd_clt_remove_dev_symlink(struct rnbd_clt_dev *dev)
 
 static struct kobj_type rnbd_dev_ktype = {
 	.sysfs_ops      = &kobj_sysfs_ops,
-	.default_attrs  = rnbd_dev_attrs,
+	.default_groups = rnbd_dev_groups,
 };
 
 static int rnbd_clt_add_dev_kobj(struct rnbd_clt_dev *dev)
-- 
2.34.1