Re: XFS regression: Oops in xfs_buf_do_callbacks on xfstest 137

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

I'd be this is my new code added to xfs_buf_item_unpin, but I don't
quite understand why.  It's been a long time since I wrote that code,
but I had to add that code to make sure we clear all buffers during
a forced shutdown.  Can you test if things go away if you just remove it
(even if causes other hangs?)