linux-kernel - Re: [PATCH 0/1] vhost: add vhost

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Date:   Mon, 5 Nov 2018 23:13:49 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Jason Wang <jasowang@...hat.com>
Cc:     Vitaly Mayatskih <v.mayatskih@...il.com>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, stefanha@...hat.com
Subject: Re: [PATCH 0/1] vhost: add vhost_blk driver

On Tue, Nov 06, 2018 at 10:45:08AM +0800, Jason Wang wrote:
> > Storage industry is shifting away from SCSI, which has a scaling
> > problem.
> 
> 
> Know little about storage. For scaling, do you mean SCSI protocol itself? If
> not, it's probably not a real issue for virtio-scsi itself.

The above is utter bullshit.  There is a big NVMe hype, but it is not
because "SCSI has a scaling problem", but because the industry can sell
a new thing, and the standardization body seems easier to work with.