From: keith.busch@intel.com (Keith Busch)
Subject: [PATCH] NVMe: Fail SCSI->NVMe translation for UNMAP when anchor is set
Date: Wed, 18 Jun 2014 10:04:01 -0600 (MDT) [thread overview]
Message-ID: <alpine.LRH.2.03.1406180953510.4699@AMR> (raw)
In-Reply-To: <B8DB29EA17EB2742AC3405C31A9B9EE9614C0D68@ORSMSX111.amr.corp.intel.com>
On Wed, 18 Jun 2014, Mayes, Barrett N wrote:
>> On the one hand, it says that ANC_SUP shall be set to 0.
>
> LSI proposed the following and asked for feedback by June 9. I don't recall
> seeing any comments to this on the public reflector.
>
> ANC_SUC
> Shall be set to 0, to indicate that setting the ANCHOR bit in UNMAP is not
> supported if the namespace is not resource or thin provisioned.
> Shall be set to 1, to indicate that setting the ANCHOR bit in UNMAP is
> supported if the namespace is resource provisioned. May be set to 1 if the
> namespace is thin provisioned.
I looked at the proposal and the translation for the PROVISIONING TYPE
would indicate any device that supports UNMAP also supports ANCHOR.
next prev parent reply other threads:[~2014-06-18 16:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 9:03 [PATCH] NVMe: Fail SCSI->NVMe translation for UNMAP when anchor is set Dan McLeran
2014-06-18 15:13 ` Keith Busch
2014-06-18 15:15 ` Dan McLeran
2014-06-18 15:27 ` Matthew Wilcox
2014-06-18 15:30 ` Dan McLeran
2014-06-18 15:45 ` Matthew Wilcox
2014-06-18 15:51 ` Mayes, Barrett N
2014-06-18 16:04 ` Keith Busch [this message]
2014-06-18 16:25 ` Matthew Wilcox
2014-06-18 17:23 ` Mayes, Barrett N
2014-06-18 15:35 ` Keith Busch
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