Re: [PATCH hyperv-next] scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs

[Andrea Parri]

On Mon, May 10, 2021 at 05:33:21PM +0000, Wei Liu wrote:
> On Thu, May 06, 2021 at 05:45:16PM +0000, Wei Liu wrote:
> > On Thu, Apr 15, 2021 at 01:22:32PM +0000, Michael Kelley wrote:
> > > From: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx> Sent: Thursday, April 15, 2021 3:59 AM
> > > > 
> > > > Use blk_mq_unique_tag() to generate requestIDs for StorVSC, avoiding
> > > > all issues with allocating enough entries in the VMbus requestor.
> > > > 
> > > > Suggested-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> > > > Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx>
> > > > ---
> > > > Changes since RFC:
> > > >   - pass sentinel values for {init,reset}_request in vmbus_sendpacket()
> > > >   - remove/inline the storvsc_request_addr() callback
> > > >   - make storvsc_next_request_id() 'static'
> > > >   - add code to handle the case of an unsolicited message from Hyper-V
> > > >   - other minor/style changes
> > > > 
> > > > [1] https://lore.kernel.org/linux-hyperv/20210408161315.341888-1-parri.andrea@xxxxxxxxx/
> > > > 
> > > >  drivers/hv/channel.c              | 14 ++---
> > > >  drivers/hv/ring_buffer.c          | 13 +++--
> > > >  drivers/net/hyperv/netvsc.c       |  8 ++-
> > > >  drivers/net/hyperv/rndis_filter.c |  2 +
> > > >  drivers/scsi/storvsc_drv.c        | 94 +++++++++++++++++++++----------
> > > >  include/linux/hyperv.h            | 13 ++++-
> > > >  6 files changed, 95 insertions(+), 49 deletions(-)
> > > 
> > > LGTM
> > > 
> > > Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> > 
> > Although this patch is tagged with SCSI, I think it would be better if
> > this goes through the hyperv tree. Let me know if there is any
> > objection.
> 
> Andrea, please rebase this patch on top of hyperv-next. It does not
> apply as-is.

Sent  https://lkml.kernel.org/r/20210510210841.370472-1-parri.andrea@xxxxxxxxx

Thanks,
  Andrea