On Mon, Feb 27, 2017 at 09:47:53AM -0800, Omar Sandoval wrote:
> From: Omar Sandoval <osandov@fb.com>
> 
> blk_mq_alloc_request_hctx() allocates a driver request directly, unlike
> its blk_mq_alloc_request() counterpart. It also crashes because it
> doesn't update the tags->rqs map.
> 
> Fix it by making it allocate a scheduler request.
> 
> Reported-by: Sagi Grimberg <sagi@grimberg.me>
> Signed-off-by: Omar Sandoval <osandov@fb.com>
> ---
> I think this should do it. Verified that normal operation still works
> for me, but I'm not sure how to test the actual _hctx() alloc path.
> Sagi, could you please test this series out?

Hm, Sagi, your mail server seems to have rejected patches 2 and 3
because git-send-email duplicated the in-reply-to header for some
reason. I've attached the patches instead.