Messages in this thread | | | From | Dan Williams <> | Date | Thu, 11 Mar 2021 22:02:52 -0800 | Subject | Re: [RFC 0/2] virtio-pmem: Asynchronous flush |
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On Thu, Mar 11, 2021 at 8:21 PM Pankaj Gupta <pankaj.gupta@cloud.ionos.com> wrote: > > Hi David, > > > > 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? :) > > Thank you for bringing this up. > > My apologies I could not followup on this. I have another version in my local > tree but could not post it as I was not sure if I solved the problem > correctly. I will > clean it up and post for feedback as soon as I can. > > P.S: Due to serious personal/family health issues I am not able to > devote much time > on this with other professional commitments. I feel bad that I have > this unfinished task. > Just in last one year things have not been stable for me & my family > and still not getting :(
No worries Pankaj. Take care of yourself and your family. The community can handle this for you. I'm open to coaching somebody through what's involved to get this fix landed.
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