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Re: [dm-devel] [BUG REPORT] Kernel panic on 3.9.0-rc7-4-gbb33db7



On Thu, Apr 18, 2013 at 10:57:54PM -0700, Tejun Heo wrote:
> No wonder this thing crashes.  Chris, can't the original bio carry
> bbio in bi_private and let end_bio_extent_readpage() free the bbio
> instead of abusing bi_bdev like this?

BTW, I think it's a bit too late to fix this properly from btrfs side
unless we're gonna do -rc8, so let's revert the TP patch for now and
sort this out in the next devel cycle.  AFAICS, while disturbingly
(ha|yu)cky, the bi_bdev trick should be okay without the new TP.

Thanks.

-- 
tejun


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