Re: [RFC 0/2] virtio-pmem: Asynchronous flush

[David Hildenbrand <david@redhat.com>]

On 20.04.20 15:19, Pankaj Gupta wrote:
>   Jeff reported preflush order issue with the existing implementation
>   of virtio pmem preflush. Dan suggested[1] to implement asynchronous flush
>   for virtio pmem using work queue as done in md/RAID. This patch series
>   intends to solve the preflush ordering issue and also makes the flush
>   asynchronous from the submitting thread POV.
> 
>   Submitting this patch series for feeback and is in WIP. I have
>   done basic testing and currently doing more testing.
> 
> Pankaj Gupta (2):
>    pmem: make nvdimm_flush asynchronous
>    virtio_pmem: Async virtio-pmem flush
> 
>   drivers/nvdimm/nd_virtio.c   | 66 ++++++++++++++++++++++++++----------
>   drivers/nvdimm/pmem.c        | 15 ++++----
>   drivers/nvdimm/region_devs.c |  3 +-
>   drivers/nvdimm/virtio_pmem.c |  9 +++++
>   drivers/nvdimm/virtio_pmem.h | 12 +++++++
>   5 files changed, 78 insertions(+), 27 deletions(-)
> 
> [1] https://marc.info/?l=linux-kernel&m=157446316409937&w=2
> 

Just wondering, was there any follow up of this or are we still waiting 
for feedback? :)

-- 
Thanks,

David / dhildenb