(cc'ing Bart)

On Wed, Apr 11, 2018 at 07:46:16AM -0700, Tejun Heo wrote:
> Hello,
> On Wed, Apr 11, 2018 at 04:28:59PM +0200, Alexandru Moise wrote:
> > > Ah, that changed recently.  Can you please check out the current
> > > upstream git master?
> > > 
> > Just did, without my patch I see this crash:
> lol I was looking at the old tree, so this is the fix for the new
> breakage introduced by the recent change.  Sorry about the confusion.
> Joseph, can you please take a look?

Oh, it wasn't Joseph's change.  It was Bart's fix for a problem
reported by Joseph.  Bart, a063057d7c73 ("block: Fix a race between
request queue removal and the block cgroup controller") created a
regression where a request_queue can be destroyed with blkgs still
attached.  The original report is..




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