On Fri, Aug 04, 2017 at 09:04:17AM -0600, Jens Axboe wrote:
> Since we introduced blk-mq-sched, the tags->rqs array has been
> dynamically assigned. So we need to check for NULL when iterating,
> since there's a window of time where the bit is set, but we haven't
> dynamically assigned the tags->rqs array position yet.
> This is perfectly safe, since the memory backing of the request is
> never going away while the device is alive.
Reviewed-by: Omar Sandoval <osan...@fb.com>
> Signed-off-by: Jens Axboe <ax...@kernel.dk>