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From: David Hildenbrand <david@redhat.com>
To: Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
	linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org
Cc: mst@redhat.com, pankaj.gupta@cloud.ionos.com
Subject: Re: [RFC 0/2] virtio-pmem: Asynchronous flush
Date: Thu, 11 Mar 2021 17:31:40 +0100	[thread overview]
Message-ID: <7e55abc4-5c91-efb8-1b32-87570dde62cc@redhat.com> (raw)
In-Reply-To: <20200420131947.41991-1-pankaj.gupta.linux@gmail.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
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  parent reply	other threads:[~2021-03-11 16:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-20 13:19 [RFC 0/2] virtio-pmem: Asynchronous flush Pankaj Gupta
2020-04-20 13:19 ` [RFC 1/2] pmem: make nvdimm_flush asynchronous Pankaj Gupta
2020-04-20 13:19 ` [RFC 2/2] virtio_pmem: Async virtio-pmem flush Pankaj Gupta
2021-03-11 16:31 ` David Hildenbrand [this message]
2021-03-12  4:21   ` [RFC 0/2] virtio-pmem: Asynchronous flush Pankaj Gupta
2021-03-12  6:02     ` Dan Williams
2021-03-12  8:53       ` David Hildenbrand

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