linux-kernel - Re: Linux 5.3-rc1

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Date:   Tue, 23 Jul 2019 09:23:34 -0700
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Steffen Maier <maier@...ux.ibm.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: Linux 5.3-rc1

On Tue, 2019-07-23 at 09:19 -0700, Guenter Roeck wrote:
> On Tue, Jul 23, 2019 at 08:33:15AM -0700, James Bottomley wrote:
> [ ... ]
> > 
> > Yes, I think so.  Can someone try this, or something like it.
> > 
> > Thanks,
> > 
> > James
> > 
> > ---
> > 
> > diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
> > index 9381171c2fc0..4715671a1537 100644
> > --- a/drivers/scsi/scsi_lib.c
> > +++ b/drivers/scsi/scsi_lib.c
> > @@ -1793,7 +1793,8 @@ void __scsi_init_queue(struct Scsi_Host
> > *shost, struct request_queue *q)
> >  	dma_set_seg_boundary(dev, shost->dma_boundary);
> >  
> >  	blk_queue_max_segment_size(q, shost->max_segment_size);
> > -	blk_queue_virt_boundary(q, shost->virt_boundary_mask);
> > +	if (shost->virt_boundary_mask)
> > +		blk_queue_virt_boundary(q, shost-
> > >virt_boundary_mask);
> >  	dma_set_max_seg_size(dev, queue_max_segment_size(q));
> >  
> >  	/*
> 
> This fixes the problem for me.

Great, thanks!

I'm thinking this is the more correct fix:

https://lore.kernel.org/linux-block/1563896932.3609.15.camel@HansenPartnership.com/

But we'll see what Jens says.

James