linux-kernel - Re: Top 10 bugs/warnings for the week of March 23rd, 2008

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Date:	Tue, 27 May 2008 13:41:46 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Theodore Tso <tytso@....edu>, Ingo Molnar <mingo@...e.hu>,
	Jan Kara <jack@...e.cz>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Top 10 bugs/warnings for the week of March 23rd, 2008

On Mon 2008-05-26 19:09:57, Oliver Neukum wrote:
> Am Montag 26 Mai 2008 19:01:48 schrieb Theodore Tso:
> > If the USB stack folks would like to work on how to recognize that
> > it's the same USB stick that had been previously pulled, so that it
> > gets the same block device, and we can decide for how long we should
> > keep dirty buffers around associated with a pulled USB stick, we can
> > certainly have that conversation.  :-)
> 
> Even if we could tell whether the device has remained the same, how
> would we know the medium wasn't exchanged?

We need filesystem support for that, but I guess we should just bite
the bullet and do it for the most common filesystems... it is very
useful for suspend/resume, too and I have heared about (misdesigned)
machines where it will be basically mandatory...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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