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Date: Wed, 6 Mar 2024 13:13:22 -0800
From: Igor Pylypiv <ipylypiv@google.com>
To: Niklas Cassel <cassel@kernel.org>
Cc: Damien Le Moal <dlemoal@kernel.org>,
	John Garry <john.g.garry@oracle.com>,
	Jason Yan <yanaijie@huawei.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Jack Wang <jinpu.wang@cloud.ionos.com>,
	Hannes Reinecke <hare@suse.de>,
	Xiang Chen <chenxiang66@hisilicon.com>,
	Artur Paszkiewicz <artur.paszkiewicz@intel.com>,
	Bart Van Assche <bvanassche@acm.org>,
	TJ Adams <tadamsjr@google.com>, linux-ide@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 4/7] scsi: mvsas: Add libsas SATA sysfs attributes
 group
Message-ID: <ZejccpVEsQTHjltB@google.com>
References: <20240306012226.3398927-1-ipylypiv@google.com>
 <20240306012226.3398927-5-ipylypiv@google.com>
 <ZehLl4AymauIvYl8@ryzen>
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In-Reply-To: <ZehLl4AymauIvYl8@ryzen>

On Wed, Mar 06, 2024 at 11:55:19AM +0100, Niklas Cassel wrote:
> On Tue, Mar 05, 2024 at 05:22:23PM -0800, Igor Pylypiv wrote:
> > The added sysfs attributes group enables the configuration of NCQ Priority
> > feature for HBAs that rely on libsas to manage SATA devices.
> > 
> > Reviewed-by: John Garry <john.g.garry@oracle.com>
> > Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
> > Reviewed-by: Jason Yan <yanaijie@huawei.com>
> > Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
> > ---
> >  drivers/scsi/mvsas/mv_init.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
> > index 43ebb331e216..f1090bb5f2c9 100644
> > --- a/drivers/scsi/mvsas/mv_init.c
> > +++ b/drivers/scsi/mvsas/mv_init.c
> > @@ -26,6 +26,7 @@ static const struct mvs_chip_info mvs_chips[] = {
> >  };
> >  
> >  static const struct attribute_group *mvst_host_groups[];
> > +static const struct attribute_group *mvst_sdev_groups[];
> 
> I think you can remove this line.
>
I kept the forward declaration to match the mvst_host_groups style.

Perhaps mvs_sht can be moved to the bottom of the file so that all forward
declarations can be removed? This can be done in a separate cleanup patch
series.

I'll keep this and aic94xx patches as-is, unless there are objections.

> 
> >  
> >  #define SOC_SAS_NUM 2
> >  
> > @@ -53,6 +54,7 @@ static const struct scsi_host_template mvs_sht = {
> >  	.compat_ioctl		= sas_ioctl,
> >  #endif
> >  	.shost_groups		= mvst_host_groups,
> > +	.sdev_groups		= mvst_sdev_groups,
> >  	.track_queue_depth	= 1,
> >  };
> >  
> > @@ -779,6 +781,11 @@ static struct attribute *mvst_host_attrs[] = {
> >  
> >  ATTRIBUTE_GROUPS(mvst_host);
> >  
> > +static const struct attribute_group *mvst_sdev_groups[] = {
> > +	&sas_ata_sdev_attr_group,
> > +	NULL
> > +};
> 
> ..and move these lines up to be after:
> static const struct attribute_group *mvst_host_groups[];
> 
> 
> > +
> >  module_init(mvs_init);
> >  module_exit(mvs_exit);
> >  
> > -- 
> > 2.44.0.278.ge034bb2e1d-goog
> >