Messages in this thread | | | Date | Fri, 18 May 2012 17:43:19 +0100 | From | Alasdair G Kergon <> | Subject | Re: [dm-devel] [PATCH 02/13] dm: kill dm_rq_bio_destructor |
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On Fri, May 18, 2012 at 08:57:29AM -0700, Tejun Heo wrote: > Please explain why this is done and how it's safe. Alasdair / dm > folks, can you please ack this?
I think it's relying on there being never more than one reference on those bios so that that endio fn, called exactly once, always frees it and there are no dm_puts elsewhere.
Alasdair
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