Re: [PATCH V4 0/2] blk-mq/nvme: cancel request synchronously

[Keith Busch <kbusch@kernel.org>]

On Wed, Apr 10, 2019 at 11:04:38PM +0800, Ming Lei wrote:
> On Tue, Apr 09, 2019 at 06:31:20AM +0800, Ming Lei wrote:
> > Hi,
> > 
> > This patchset introduces blk_mq_complete_request_sync() for canceling
> > request synchronously in error handler context, then one race between
> > completing request remotely and destroying contoller/queues can be fixed.
> > 
> > 
> > V4:
> > 	- drop return value
> > 	- don't handle fake timeout
> > 
> > V3:
> > 	- avoid extra cost to blk_mq_complete_request
> > 
> > V2:
> > 	- export via EXPORT_SYMBOL_GPL
> > 	- minor commit log change
> > 
> > Ming Lei (2):
> >   blk-mq: introduce blk_mq_complete_request_sync()
> >   nvme: cancel request synchronously
> > 
> >  block/blk-mq.c           | 7 +++++++
> >  drivers/nvme/host/core.c | 2 +-
> >  include/linux/blk-mq.h   | 1 +
> >  3 files changed, 9 insertions(+), 1 deletion(-)
> > 
> > Cc: Keith Busch <kbusch@kernel.org>
> > Cc: Sagi Grimberg <sagi@grimberg.me>
> > Cc: Bart Van Assche <bvanassche@acm.org>
> > Cc: James Smart <james.smart@broadcom.com>
> > Cc: Christoph Hellwig <hch@lst.de>
> > Cc: linux-nvme@lists.infradead.org
> > 
> 
> Hi Jens,
> 
> These two patches have been posted for a while, any chance to make them
> in v5.1?

FWIW, series looks good to me too.

Reviewed-by: Keith Busch <keith.busch@intel.com>