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SubjectRE: [PATCH 1/8] Drivers: scsi: storvsc: Change the limits to reflect the values on the host
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> -----Original Message-----
> From: Christoph Hellwig [mailto:hch@infradead.org]
> Sent: Wednesday, July 9, 2014 1:40 AM
> To: KY Srinivasan
> Cc: linux-kernel@vger.kernel.org; devel@linuxdriverproject.org;
> ohering@suse.com; jbottomley@parallels.com; jasowang@redhat.com;
> apw@canonical.com; linux-scsi@vger.kernel.org; stable@vger.kernel.org
> Subject: Re: [PATCH 1/8] Drivers: scsi: storvsc: Change the limits to reflect the
> values on the host
>
> On Tue, Jul 08, 2014 at 05:46:45PM -0700, K. Y. Srinivasan wrote:
> > + * In Hyper-V, each port/path/target maps to 1 scsi host adapter.
>
> Does it still? The STORVSC_FC_MAX_TARGETS define suggests otherwise.

I will fix the comments and get rid of unnecessary comments.

>
> > - .cmd_per_lun = 1,
> > + .cmd_per_lun = 255,
>
> This looks like an unrelated change.

I will have a separate patch for this.
>
> > + /* max # of devices per target */
> > + host->max_lun = STORVSC_FC_MAX_LUNS_PER_TARGET;
> > + /* max # of targets per channel */
> > + host->max_id = STORVSC_FC_MAX_TARGETS;
> > + /* max # of channels */
> > + host->max_channel = STORVSC_FC_MAX_CHANNELS - 1;
>
> I don't think these comments add any value..

I will get rid of the comments.

>
> Also any reason you use off by one defines for max_channel, but not the
> others?

No particular reason; I will clean this up.


Thanks Christoph for the detailed comments. I will re-spin these after I address your comments.

Regards,

K. Y


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