linux-kernel - Re: [PATCH repost 3] [SCSI] Retrieve the Caching mode page

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Message-ID: <987735.18126.qm@web31812.mail.mud.yahoo.com>
Date:	Tue, 23 Nov 2010 00:43:09 -0800 (PST)
From:	Luben Tuikov <ltuikov@...oo.com>
To:	Douglas Gilbert <dgilbert@...erlog.com>,
	Matthew Dharm <mdharm-kernel@...-eyed-alien.net>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-usb@...r.kernel.org, Greg KH <greg@...ah.com>,
	James Bottomley <James.Bottomley@...e.de>
Subject: Re: [PATCH repost 3] [SCSI] Retrieve the Caching mode page

--- On Mon, 11/22/10, Matthew Dharm <mdharm-kernel@...-eyed-alien.net> wrote:

> That said, Luben's patch is kinda slick.

Thank you.

> sd-modalready asks for a lot of
> mode page data; it does this so that it's request matches
> the observed
> behavior of a "popular" Redmond, WA-based OS.  Luben's
> patch just searches
> through that data to see if it can find what it is looking
> for, rather than
> rqeuesting a specific mode page later (which may not be
> supported).

Yes, devices wouldn't sense a change in requests. The patch preserves this quality of device discovery.

   Luben

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