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Date:   Wed, 23 Jun 2021 12:52:56 +0100
From:   Christoph Hellwig <hch@infradead.org>
To:     Matteo Croce <mcroce@linux.microsoft.com>
Cc:     linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org,
        Lennart Poettering <lennart@poettering.net>,
        Luca Boccassi <bluca@debian.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Damien Le Moal <damien.lemoal@wdc.com>,
        Tejun Heo <tj@kernel.org>,
        Javier Gonz??lez <javier@javigon.com>,
        Niklas Cassel <niklas.cassel@wdc.com>,
        Johannes Thumshirn <johannes.thumshirn@wdc.com>,
        Hannes Reinecke <hare@suse.de>,
        Matthew Wilcox <willy@infradead.org>,
        Christoph Hellwig <hch@infradead.org>,
        JeffleXu <jefflexu@linux.alibaba.com>
Subject: Re: [PATCH v3 3/6] block: refactor sysfs code
Message-ID: <YNMgmK2vqQPL7PWb@infradead.org>
References: <20210623105858.6978-1-mcroce@linux.microsoft.com>
 <20210623105858.6978-4-mcroce@linux.microsoft.com>
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> -static void disk_add_events(struct gendisk *disk)
> +static void disk_add_sysfs(struct gendisk *disk)
>  {
>  	/* FIXME: error handling */
> -	if (sysfs_create_files(&disk_to_dev(disk)->kobj, disk_events_attrs) < 0)
> +	if (sysfs_create_files(&disk_to_dev(disk)->kobj, disk_sysfs_attrs) < 0)
>  		pr_warn("%s: failed to create sysfs files for events\n",
>  			disk->disk_name);
> +}

Actually, what we need here is a way how we can setup the ->groups
field of the device to include all attribute groups instead of having
to call sysfs_create_files at all.