> -----Original Message-----
> From: Christoph Hellwig [mailto:h...@infradead.org]
> Sent: Thursday, July 10, 2014 3:19 AM
> To: KY Srinivasan
> Cc: linux-ker...@vger.kernel.org; de...@linuxdriverproject.org;
> oher...@suse.com; jbottom...@parallels.com; jasow...@redhat.com;
> a...@canonical.com; linux-s...@vger.kernel.org; sta...@vger.kernel.org
> Subject: Re: [PATCH 7/8] drivers: scsi: storvsc: Set srb_flags in all cases
> 
> >     default:
> >             vm_srb->data_in = UNKNOWN_TYPE;
> > -           vm_srb->win8_extension.srb_flags = 0;
> > +           vm_srb->win8_extension.srb_flags |=
> (SRB_FLAGS_DATA_IN |
> > +                                                SRB_FLAGS_DATA_OUT);
> 
> This would usually be a command that doesn't transfer data (e.g.
> TEST_UNIT_READY or SYNCHRONIZE_CACHE), do you really want to set the in
> and out flags here?

On the host, before they forward the command to the native driver stack, I am 
told they validate that the flags be correctly set because of some bugs in the 
Emulex driver.

K. Y
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