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Re: [PATCH][SCS] sd: Read Capacity if (16) fails

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From: Martin K. Petersen
Subject: Re: [PATCH][SCS] sd: Read Capacity if (16) fails
Date: Wednesday, August 6, 2008 - 9:44 am

>>>>> "James" == James Bottomley <James.Bottomley@HansenPartnership.com> writes:

James> On Wed, 2008-08-06 at 16:34 +0100, Hugh Dickins wrote:

James> We could try using this as the trigger.  I assume all DIF
James> supporting devices must also claim conformance to SPC3/SBC2 or
James> higher?

You'd think, wouldn't you?

Originally I only checked for PROTECT if version was SBC2 or better.
But as it turns out I have drives that only report SBC and yet they do
DIF.  This old version is apparently reported to prevent problems in
other operating systems.

*sigh*

-- 
Martin K. Petersen	Oracle Linux Engineering

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Messages in current thread:
[PATCH][SCS] sd: Read Capacity if (16) fails, Hugh Dickins, (Wed Aug 6, 7:06 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Matthew Wilcox, (Wed Aug 6, 7:25 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Martin K. Petersen, (Wed Aug 6, 7:27 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Hugh Dickins, (Wed Aug 6, 8:34 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, James Bottomley, (Wed Aug 6, 9:35 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, James Bottomley, (Wed Aug 6, 9:36 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Douglas Gilbert, (Wed Aug 6, 9:44 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Martin K. Petersen, (Wed Aug 6, 9:44 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, James Bottomley, (Wed Aug 6, 9:53 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Hugh Dickins, (Wed Aug 6, 10:21 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, Martin K. Petersen, (Wed Aug 6, 10:32 am)
Re: [PATCH][SCS] sd: Read Capacity if (16) fails, James Bottomley, (Wed Aug 6, 10:36 am)