HEADSUP new usb code coming in.

[Antony Mawer]

M. Warner Losh wrote:
> In message: <48AB566B.5010507 at mawer.org>
>             Antony Mawer <fbsd-current at mawer.org> writes:
> : Warner Losh wrote:
> : > From: Bakul Shah <bakul at bitblocks.com>
> : > Subject: Re: HEADSUP new usb code coming in. 
> : > Date: Tue, 19 Aug 2008 14:18:13 -0700
> : > 
> : >> On Tue, 19 Aug 2008 22:44:20 +0200 Hans Petter Selasky <hselasky at c2i.net>  wrote:
> : >>> New stuff (all of which I can remember right now):
> : >> 	...
> : >>
> : >> Accidentally unplugging a mounted USB disk (without
> : >> unmounting it) resulted in a hang or a crash.  Is this fixed?
> : > 
> : > That's fixed in -current right now with the old stack.  It isn't a usb
> : > issue at all, but a buffer cache issue.
> : 
> : Is this change that is likely to be MFC'd in time for 7.1? And/or is 
> : there a specific patch that can manually be applied to -STABLE to fix this?
> 
> I should spend the time to dig into the changes in current.  There
> turned out to be several little changes...  And I need to verify all
> the edge cases were covered...

I'd be happy to test patches if you do end up doing this.. it would be 
really nice to have in 7.1, or at least available as a patchset if it 
isn't suitable for MFC (eg. ABI changes)...

--Antony