Re: [patch] SCSI: early detection of medium not present, updated

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On Thu, 29 Nov 2007, Andrew Morton wrote:

> Guys, I have this marked as needed-in-2.6.24?

> From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> 
> Taken from http://bugzilla.kernel.org/show_bug.cgi?id=8904
> 
> An updated (by Albert, I assume) version of the fourteen-month-old patch here:
> 
> http://marc.info/?l=linux-kernel&m=115412002912837&w=2
> 
> Apparently fixes the bug described at
> http://bugzilla.kernel.org/show_bug.cgi?id=8904
> 
> Needs some TLC.  Perhaps urgently.

As far as I'm concerned there's no harm in leaving it until 2.6.25; my
original version was only a slight performance optimization to prevent
excessive querying when the answer is known beforehand.  In fact this
version of the patch includes only a portion of my original submission.  
The part in sd.c that exits the retry loop early when there's no medium
is missing.

But if this really does fix bug #8904 then it should go in sooner.  
The question is, does it fix the bug?  The report mentions only a small 
amount of testing.

Alan Stern

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