linux-kernel - Re: 2.6.25-rc6: CONFIG_USB

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Message-ID: <alpine.LFD.1.10.0806090831550.3473@woody.linux-foundation.org>
Date:	Mon, 9 Jun 2008 08:35:20 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Pavel Machek <pavel@...e.cz>
cc:	Alan Stern <stern@...land.harvard.edu>, gregkh@...e.de,
	Andrew Morton <akpm@...uxfoundation.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Oliver Neukum <oliver@...kum.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: 2.6.25-rc6: CONFIG_USB_PERSIST forced on



On Mon, 9 Jun 2008, Pavel Machek wrote:
> 
> If your device did not loose power during s2ram, it should just work.

Tough. And if pigs had wings, they could fly. What's your point?

> There's a tweak you can set in /sys you can set if your device is not
> removable, you can set it for non-removable devices that _do_ loose
> power.

Yes, and it's totally pointless. I had this whole discussion already. 
That flag is too hard to find for any normal person to be useful, and the 
fact is, if you hold the device mounted over a suspend, it should be set 
by default anyway.

> Besides, it seems to break suspend/resume of printers, and probably
> all the drivers that do not have reset_resume() method. That's
> actually a regression.
> 
> https://bugzilla.novell.com/show_bug.cgi?id=394820

So printers shouldn't do it, since they aren't mounted. Neither should 
mice etc things. What does that have to do with block devices?

		Linus
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