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

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Date:	Mon, 26 May 2008 20:49:14 -0700
From:	Greg KH <greg@...ah.com>
To:	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>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Top 10 bugs/warnings for the week of March 23rd, 2008

On Mon, May 26, 2008 at 01:01:48PM -0400, Theodore Tso wrote:
> On Mon, May 26, 2008 at 06:48:58PM +0200, Ingo Molnar wrote:
> > 
> > What if the USB stick was pulled mistakenly, the user notices her 
> > mistake later on and plugs the USB stick back in and expects all the 
> > data to not be corrupted?
> 
> 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.  :-)

We do that already on suspend/resume, so it should not be hard to move
that to a disconnect/connect model as well, it's the same code path :)

Bring it up on the linux-usb list if you are interested in persuing
this.

In the meanwhile, getting rid of the warning would be a good idea.

thanks,

greg k-h
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