Messages in this thread | | | From | Pankaj Gupta <> | Date | Fri, 28 Jan 2022 11:11:57 +0100 | Subject | Re: [RFC v3 0/2] virtio-pmem: Asynchronous flush |
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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 >
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