Re: [Qemu-devel] [PATCH v2 0/5] virtio-blk: add DISCARD and WRITE ZEROES features

[Stefano Garzarella <sgarzare@redhat.com>]

On Thu, Jan 31, 2019 at 12:15:17PM -0500, Michael S. Tsirkin wrote:
> On Thu, Jan 31, 2019 at 04:19:09PM +0100, Stefano Garzarella wrote:
> > This series adds the support of DISCARD and WRITE ZEROES commands
> > and extends the virtio-blk-test to test WRITE_ZEROES command when
> > the feature is enabled.
> > 
> > v2:
> > - added patch 1 to use virtio_blk_handle_rw_error() with discard operation
> > - added patch 2 to make those new features machine-type dependent (thanks David)
> > - fixed patch 3 (previously patch 1/2) adding more checks, block_acct_start()
> >                 for WRITE_ZEROES requests, and configurable parameters to
> >                 initialize the limits (max_sectors, wzeroes_may_unmap).
> >                 (thanks Stefan)
> >                 I moved in a new function the code to handle a single segment,
> >                 in order to simplify the support of multiple segments in the
> >                 future.
> > - added patch 4 to change the assert on data_size following the discussion with
> >                 Thomas, Changpeng, Michael, and Stefan (thanks all)
> > - fixed patch 5 (previously patch 2/2) using local dwz_hdr variable instead of
> >                 dynamic allocation (thanks Thomas)
> > 
> > This series requires the new virtio headers from linux v5.0-rc1
> > already imported by Paolo:
> > 
> > Based-on: <20190104082731.24967-1-pbonzini@redhat.com>
> > 
> > Thanks,
> > Stefano
> 
> series:
> 
> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
> 
> 
> merge through block tree I guess?
> 

I guess too.

Thanks for the review!

Stefano