Re: [PATCH 6/7] driver core: make sysfs_dev_block_kobj static

From: Rafael J. Wysocki
Date: Fri Mar 31 2023 - 10:51:05 EST


On Fri, Mar 31, 2023 at 11:33 AM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Nothing outside of drivers/base/core.c uses sysfs_dev_block_kobj, so
> make it static and document what it is used for so we remember it the
> next time we touch it 15 years from now.
>
> Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx>

> ---
> drivers/base/core.c | 4 +++-
> include/linux/device/class.h | 2 --
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index dbc2ba6dfffc..cf6f41c2060c 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -2256,7 +2256,9 @@ int (*platform_notify)(struct device *dev) = NULL;
> int (*platform_notify_remove)(struct device *dev) = NULL;
> static struct kobject *dev_kobj;
> struct kobject *sysfs_dev_char_kobj;
> -struct kobject *sysfs_dev_block_kobj;
> +
> +/* /sys/dev/block */
> +static struct kobject *sysfs_dev_block_kobj;
>
> static DEFINE_MUTEX(device_hotplug_lock);
>
> diff --git a/include/linux/device/class.h b/include/linux/device/class.h
> index e946642c314e..7e4a1a6329f4 100644
> --- a/include/linux/device/class.h
> +++ b/include/linux/device/class.h
> @@ -76,8 +76,6 @@ struct class_dev_iter {
> const struct device_type *type;
> };
>
> -extern struct kobject *sysfs_dev_block_kobj;
> -
> int __must_check class_register(struct class *class);
> void class_unregister(const struct class *class);
> bool class_is_registered(const struct class *class);
> --
> 2.40.0
>