RE: [PATCH] scsi: storvsc: avoid usage of WRITE_SAME

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> -----Original Message-----
> From: Olaf Hering [mailto:olaf@xxxxxxxxx]
> Sent: Monday, February 11, 2013 11:07 AM
> To: linux-scsi@xxxxxxxxxxxxxxx; James Bottomley
> Cc: KY Srinivasan
> Subject: Re: [PATCH] scsi: storvsc: avoid usage of WRITE_SAME
> 
> James,
> 
> this patch fixes a regression in 3.8. Please try to include it in final 3.8.
> There is also another outstanding fix regarding sglist init from KY.
> 
> Olaf

Ping.

K. Y
> 
> On Wed, Jan 30, Olaf Hering wrote:
> 
> > Set scsi_device->no_write_same because the host does not support it.
> > Also blacklist WRITE_SAME to avoid (and log) accident usage.
> >
> > If the guest uses the ext4 filesystem, storvsc hangs while it prints
> > these messages in an endless loop:
> 
> 
> >  drivers/scsi/storvsc_drv.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> 
> > +	sdevice->no_write_same = 1;
> 
> 

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