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Date: Tue, 10 Aug 2021 03:01:11 +0000
From: Long Li <longli@...rosoft.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC: Bart Van Assche <bvanassche@....org>,
"longli@...uxonhyperv.com" <longli@...uxonhyperv.com>,
"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
Jonathan Corbet <corbet@....net>,
KY Srinivasan <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Stephen Hemminger <sthemmin@...rosoft.com>,
Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Hans de Goede <hdegoede@...hat.com>,
"Williams, Dan J" <dan.j.williams@...el.com>,
Maximilian Luz <luzmaximilian@...il.com>,
Mike Rapoport <rppt@...nel.org>,
Ben Widawsky <ben.widawsky@...el.com>,
Jiri Slaby <jirislaby@...nel.org>,
Andra Paraschiv <andraprs@...zon.com>,
Siddharth Gupta <sidgup@...eaurora.org>,
Hannes Reinecke <hare@...e.de>
Subject: RE: [Patch v5 0/3] Introduce a driver to support host accelerated
access to Microsoft Azure Blob for Azure VM
> Subject: Re: [Patch v5 0/3] Introduce a driver to support host accelerated
> access to Microsoft Azure Blob for Azure VM
>
> On Sat, Aug 07, 2021 at 06:29:06PM +0000, Long Li wrote:
> > > I still think this "model" is totally broken and wrong overall.
> > > Again, you are creating a custom "block" layer with a character
> > > device, forcing all userspace programs to use a custom library (where is it
> at?) just to get their data.
> >
> > The Azure Blob library (with source code) is available in the following
> languages:
> > Java:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-sdk-for-
> java%2Ftree%2Fmain%2Fsdk%2Fstorage%2Faz
> > ure-storage-
> blob&data=04%7C01%7Clongli%40microsoft.com%7C778083147
> >
> 8ed49b16e6308d95a2b7ae8%7C72f988bf86f141af91ab2d7cd011db47%7C1
> %7C0%7C6
> >
> 37639965101378114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM
> DAiLCJQIjoi
> >
> V2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=wcNhsEoH
> LV0VBc
> > uDf0CVXl7W0Ug9Cj7Q92%2Bw6qizroU%3D&reserved=0
> > JavaScript:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-sdk-for-
> js%2Ftree%2Fmain%2Fsdk%2Fstorage%2Fstor
> > age-
> blob&data=04%7C01%7Clongli%40microsoft.com%7C7780831478ed49b
> 16
> >
> e6308d95a2b7ae8%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C
> 637639965
> >
> 101378114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjo
> iV2luMzIi
> >
> LCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=I%2FfhdPX3Unz6S3
> eBPcpl
> > %2Bh55nKoV0u%2FO0%2BYgjLy4grQ%3D&reserved=0
> > Python:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-sdk-for-
> python%2Ftree%2Fmain%2Fsdk%2Fstorage%2F
> > azure-storage-
> blob&data=04%7C01%7Clongli%40microsoft.com%7C7780831
> >
> 478ed49b16e6308d95a2b7ae8%7C72f988bf86f141af91ab2d7cd011db47%7
> C1%7C0%7
> >
> C637639965101378114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw
> MDAiLCJQIj
> >
> oiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=aAwsi%2
> BPVsN
> > tsDMJ7rKnRDigNc41fIao031lde247Nc0%3D&reserved=0
> > Go:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-storage-blob-
> go&data=04%7C01%7Clongli%40mic
> >
> rosoft.com%7C7780831478ed49b16e6308d95a2b7ae8%7C72f988bf86f141a
> f91ab2d
> >
> 7cd011db47%7C1%7C0%7C637639965101378114%7CUnknown%7CTWFpbG
> Zsb3d8eyJWIj
> >
> oiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C10
> 00&am
> >
> p;sdata=43JhbGsYQxA%2FoivNd7C3z7DSYO%2FPONCoaW2v7TN6xEU%3D&a
> mp;reserve
> > d=0
> > .NET:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-sdk-for-
> net%2Ftree%2Fmain%2Fsdk%2Fstorage%2FAzu
> >
> re.Storage.Blobs&data=04%7C01%7Clongli%40microsoft.com%7C77808
> 3147
> >
> 8ed49b16e6308d95a2b7ae8%7C72f988bf86f141af91ab2d7cd011db47%7C1
> %7C0%7C6
> >
> 37639965101378114%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwM
> DAiLCJQIjoi
> >
> V2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=6ClMeURlt
> cBv1q
> > 7l7PGGrxXVJbVDt9uMBlwoIVh7Wpw%3D&reserved=0
> > PHP:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2FAzure%2Fazure-storage-php%2Ftree%2Fmaster%2Fazure-
> storage-blo
> >
> b&data=04%7C01%7Clongli%40microsoft.com%7C7780831478ed49b16
> e6308d9
> >
> 5a2b7ae8%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C6376399
> 651013781
> >
> 14%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIi
> LCJBTiI
> >
> 6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=DuZO539vd76c%2Byaqjn
> hetp%2B3T
> > i0b74601ZkNe39SNK4%3D&reserved=0
> > Ruby:
> > https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgith
> > ub.com%2Fazure%2Fazure-storage-
> ruby%2Ftree%2Fmaster%2Fblob&data=04
> > %7C01%7Clongli%40microsoft.com%7C7780831478ed49b16e6308d95a2b
> 7ae8%7C72
> >
> f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637639965101378114%7
> CUnknown%
> >
> 7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi
> LCJX
> >
> VCI6Mn0%3D%7C1000&sdata=6Zviu1IuRQE2do9bDCae2iJv0W2KOJu90t
> XSR6kDAR
> > 4%3D&reserved=0
> > C++:
> >
> C++https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fg
> > C++ithub.com%2FAzure%2Fazure-sdk-for-
> cpp%2Ftree%2Fmain%2Fsdk%2Fstorage
> > C++%23azure-storage-client-library-for-
> c&data=04%7C01%7Clongli%40m
> >
> C++icrosoft.com%7C7780831478ed49b16e6308d95a2b7ae8%7C72f988bf86
> f141af9
> >
> C++1ab2d7cd011db47%7C1%7C0%7C637639965101388074%7CUnknown%
> 7CTWFpbGZsb3
> >
> C++d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn
> 0%3
> >
> C++D%7C1000&sdata=HH6jrqREWQ%2BkoRR%2Fsb02wRXnuLU5il4Erzm
> rBvUZu5w%
> > C++3D&reserved=0
>
> And why wasn't this linked to in the changelog here?
>
> In looking at the C code above, where is the interaction with this Linux driver?
> I can't seem to find it...
Those are existing Blob client libraries. The new code using this driver is being
tested and has not been released to github.
I'm sorry I misunderstood your request. I'm asking the team to share the new
code for review. I will send the code location for review soon.
Thanks,
Long
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