Re: [PATCH v3 0/3] block: avoid to call .bi_end_io() recursively

From: Christoph Hellwig
Date: Mon May 02 2016 - 10:52:43 EST

On Thu, Apr 28, 2016 at 09:09:00AM +0800, Ming Lei wrote:
> The 3rd patch avoids to call .bi_end_io recursively in complete path.

Care to explain what the reason for doing that is?

If we have excessively long bi_end_io chains we should probably look
into fixing them instead.