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. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel