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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
On Mon, 2014-07-28 at 19:05 +, KY Srinivasan wrote:
-Original Message-
From: Martin K. Petersen
KY == KY Srinivasan k...@microsoft.com writes:
KY We will fix this bug in the next release of Windows; we are also
KY looking at backporting the fix to prior versions of Windows.
Excellent. Thanks for looking into this!
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Martin K. Petersen Oracle Linux Engineering
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k...@microsoft.com writes:
Great! I'd just like to have a reasonable level
KY == KY Srinivasan k...@microsoft.com writes:
KY,
KY At the time thin-provisioning was defined, the discovery
KY information was first proposed in READ CAPACITY 16 command. And then
KY moved into the new dedicated VPD page - B2h. You can see the
KY information reported in this VPD page is
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k...@microsoft.com writes:
KY,
KY At the time thin-provisioning was defined
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
On Mon, 2014-07-28 at 19:05 +, KY Srinivasan wrote:
-Original Message-
From: Martin K. Petersen
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
On Fri, 2014-07-25 at 16:47 +, KY Srinivasan wrote:
-Original Message-
From: Martin K. Petersen
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k...@microsoft.com writes:
KY For the pass through case, the host validates
KY == KY Srinivasan k...@microsoft.com writes:
The LBP VPD page flags UNMAP as being supported. Do you actually
support UNMAP to DSM TRIM SCSI-ATA translation?
KY I have been told by the Windows folks that this is done. I am trying
KY to get additional details.
Great! I'd just like to have a
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k...@microsoft.com writes:
The LBP VPD page flags UNMAP as being supported. Do
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
KY == KY Srinivasan k...@microsoft.com writes:
Great! I'd just like to have a reasonable level
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes:
Sitsofe So we can see it is really a SATA
KY == KY Srinivasan k...@microsoft.com writes:
KY For the pass through case, the host validates the request and passes
KY the request to the device. However, not all scsi commands are
KY passed through even though the device it is being passed through may
KY support the command. WRITE_SAME is
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Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests
Sitsofe == Sitsofe Wheeler sits
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes:
Sitsofe Fix incorrectly named variable. Some block devices (such as
Sitsofe Hyper-V passthrough SSDs) support logical block provisioning
Sitsofe (e.g. via UNMAP) but don't set lbpme thus disabling discard.
The fix for an SSD that is known
On Thu, Jul 24, 2014 at 09:54:24AM -0400, Martin K. Petersen wrote:
I'm very much against short-circuiting the LBP logic in a passthrough
driver because then we might end up in the exact situation we were
trying to avoid with this patch series. Namely sending down commands
unsupported by the
On Thu, Jul 24, 2014 at 08:34:19AM -0700, Christoph Hellwig wrote:
I agree - I'd like to pull in KY's simple fix as soon as I get a second
review for it.
Ok, looks like I just got that from Hannes. Let's see if there's more
to be done for the pass through case, but I'd rather wait for the next
On Thu, Jul 24, 2014 at 09:54:24AM -0400, Martin K. Petersen wrote:
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes:
Sitsofe Fix incorrectly named variable. Some block devices (such as
Sitsofe Hyper-V passthrough SSDs) support logical block provisioning
Sitsofe (e.g. via UNMAP) but
Sitsofe == Sitsofe Wheeler sits...@gmail.com writes:
Sitsofe So we can see it is really a SATA device that announces discard
Sitsofe correctly and supports discard through WRITE_SAME(16).
No, that's the SATA device that announces support for DSM TRIM, and as a
result the Linux SATL reports
On Thu, Jul 24, 2014 at 08:35:13AM -0700, Christoph Hellwig wrote:
On Thu, Jul 24, 2014 at 08:34:19AM -0700, Christoph Hellwig wrote:
I agree - I'd like to pull in KY's simple fix as soon as I get a second
review for it.
Ok, looks like I just got that from Hannes. Let's see if there's
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