linux-kernel - Re: 2.6.25-rc6: CONFIG_USB

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Date:	Sat, 7 Jun 2008 15:26:12 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Pavel Machek <pavel@...e.cz>
cc:	Alan Stern <stern@...land.harvard.edu>,
	Linus Torvalds <torvalds@...uxfoundation.org>, gregkh@...e.de,
	Andrew Morton <akpm@...uxfoundation.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Oliver Neukum <oliver@...kum.org>
Subject: Re: 2.6.25-rc6: CONFIG_USB_PERSIST forced on



On Sat, 7 Jun 2008, Pavel Machek wrote:
> 
> Well, not-usb-persists means we force-unplug disks during suspend,
> after syncing them. Not _too_ bad.
> 
> If you unplug disk while hibernated, modify it, and plug it back,
> youget _silent_ filesystem corruption. I call that bad.

.. and if the USB layer unplugs them unconditionally while the filesystem 
is mounted, you _unconditionally_ get a system that doesn't work.

I call that worse.

Much worse.

			Linus
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