Re: [PATCH] block: add a bi_error field to struct bio

[Christoph Hellwig]

On Wed, Jul 22, 2015 at 03:59:46PM -0600, Jens Axboe wrote:
> One possible solution would be to shrink bi_flags to an unsigned int, no 
> problems fitting that in. Then we could stuff bi_error in that (new) hole, 
> and we would end up having the same size again.

As long as we use set/test/clear_bt on bi_flags that won't work unfortunately.
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