Re: [PATCH] aoe: adjust ref of head for compound page tails

[Ed Cashin]

On Aug 7, 2013, at 7:41 PM, Ed Cashin wrote:

> It sounds like it's wrong to give block pages with a zero count, so why not just have aoe BUG_ON(compound_trans_head(bv->page->_count) == 0) until we're sure nobody does that anymore?

Ugh.  I goofed the parens and such.  I meant,

  BUG_ON(compound_trans_head(bv->bv_page)->_count == 0)

... will catch the cases we think should not be occurring.

> If that idea makes sense to you, I will submit a new patch to follow the one under discussion.

-- 
  Ed Cashin
  ecashin@xxxxxxxxxx


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