linux-kernel - Re: [PATCH 4/4] staging: lustre: obdclass: constify attribute

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Message-ID: <84171e90-fd40-43f8-46b4-8645a60aab6e@gmail.com>
Date:   Mon, 17 Jul 2017 13:11:04 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     oleg.drokin@...el.com, andreas.dilger@...el.com,
        jsimmons@...radead.org, gregkh@...uxfoundation.org,
        lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     john.hammond@...el.com, dmitry.eremin@...el.com, fan.yong@...el.com
Subject: Re: [PATCH 4/4] staging: lustre: obdclass: constify attribute_group
 structures.

Sorry for noise. Please ignore this. This change should not be separate.

~arvind

On Monday 17 July 2017 11:19 AM, Arvind Yadav wrote:
> attribute_groups are not supposed to change at runtime. All functions
> working with attribute_groups provided by <linux/sysfs.h> work
> with const attribute_group. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
> ---
>   drivers/staging/lustre/lustre/obdclass/lprocfs_status.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> index bc19f19..ba41983 100644
> --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> @@ -1031,7 +1031,7 @@ static void obd_sysfs_release(struct kobject *kobj)
>   };
>   
>   int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
> -		      struct attribute_group *attrs)
> +		      const struct attribute_group *attrs)
>   {
>   	int rc = 0;
>