linux-kernel - Re: [PATCH v2 3/4] blk-integrity: register sysfs attributes on struct device

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Message-ID: <0e7d7df8-f14e-4925-9c11-d08cb52dd4e6@t-8ch.de>
Date:   Sat, 18 Mar 2023 16:56:02 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH v2 3/4] blk-integrity: register sysfs attributes on
 struct device

On Wed, Mar 15, 2023 at 08:06:51AM -0700, Christoph Hellwig wrote:
> > +static const struct attribute_group integrity_group  = {
> 
> Double whitespace before the =

Ack.

> > +	.name = "integrity", .attrs = integrity_attrs,
> >  };
> 
> We generally put each field member on separate lines for readability.

Ack.

> >  int blk_integrity_add(struct gendisk *disk)
> >  {
> > +	return device_add_groups(disk_to_dev(disk), integrity_groups);
> >  }
> >  
> >  void blk_integrity_del(struct gendisk *disk)
> >  {
> > +	device_remove_groups(disk_to_dev(disk), integrity_groups);
> 
> Can't we just add integrity_group to disk_attr_groups and remove these
> calls entirely?

Thanks for the pointer. This works and is indeed nicer.