Re: [PATCH] sd: disable logical block provisioning if 'lbpme' is not set

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To: Jean Delvare <jdelvare@xxxxxxx>
Subject: Re: [PATCH] sd: disable logical block provisioning if 'lbpme' is not set
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 19 Feb 2019 19:35:54 -0500
Cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>, Hannes Reinecke <hare@xxxxxxxx>, Jeff Mahoney <jeffm@xxxxxxxx>
In-reply-to: <1550486928.5014.4.camel@suse.de> (Jean Delvare's message of "Mon, 18 Feb 2019 11:48:48 +0100")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Jean,

> So basically the condition "if (!sdkp->lbpme)" should be replaced by
> something like "if (LBP_VPD_page_is_supported && !sdkp->lbpme)"?

We can not depend on the VPD page here. It was added to the spec long
after the LBPME flag.

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] sd: disable logical block provisioning if 'lbpme' is not set
  - From: Jean Delvare
- Re: [PATCH] sd: disable logical block provisioning if 'lbpme' is not set
  - From: Martin K. Petersen
- Re: [PATCH] sd: disable logical block provisioning if 'lbpme' is not set
  - From: Jean Delvare

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