Re: [PATCH 2/2] Restart list search after unlock in scsi_remove_target

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On Thu, 2015-11-05 at 08:55 -0800, Dan Williams wrote:
> On Wed, Nov 4, 2015 at 2:44 PM, James Bottomley
> <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
> [..]
> > The fundamental problem with this is how have the conditions that caused
> > us to move away from list restart:
> >
> > commit bc3f02a795d3b4faa99d37390174be2a75d091bd
> > Author: Dan Williams <djbw@xxxxxx>
> > Date:   Tue Aug 28 22:12:10 2012 -0700
> >
> >     [SCSI] scsi_remove_target: fix softlockup regression on hot remove
> >
> > Which was triggered by this bug report
> >
> > http://thread.gmane.org/gmane.linux.kernel/1348679
> >
> > been mitigated?
> >
> 
> I think it has because the problem that led to that report was the
> fact that scsi_target_destroy() did not advance the target state, but
> we changed that in f2495e228fce.
> 
> http://marc.info/?l=linux-scsi&m=144527527308725&w=2

Great, thanks, we'll put Christoph's version in then, because it can be
cc'd to stable without problems.  Bart, you can redo your state updates
on top of this because that's inessential to the current problem.

James


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