ping
> 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 makes the flush asynchronous
> for the submitting thread. Also, adds the flush coalscing logic.
>
> Submitting this RFC v3 series for review. Thank You!
>
> RFC v2 -> RFC v3
> - Improve commit log message - patch1.
> - Improve return error handling for Async flush.
> - declare'INIT_WORK' only once.
> - More testing and bug fix.
>
> [1] https://marc.info/?l=linux-kernel&m=157446316409937&w=2
>
> Pankaj Gupta (2):
> virtio-pmem: Async virtio-pmem flush
> pmem: enable pmem_submit_bio for asynchronous flush
>
> drivers/nvdimm/nd_virtio.c | 74 +++++++++++++++++++++++++++---------
> drivers/nvdimm/pmem.c | 15 ++++++--
> drivers/nvdimm/region_devs.c | 4 +-
> drivers/nvdimm/virtio_pmem.c | 10 +++++
> drivers/nvdimm/virtio_pmem.h | 16 ++++++++
> 5 files changed, 98 insertions(+), 21 deletions(-)
>
> --
> 2.25.1
>
