linux-phytec-ti

Blk-iolatency: warn on negative inflight IO counter

[ Upstream commit 391f552af213985d3d324c60004475759a7030c5 ]

This is to catch any unexpected negative value of inflight IO counter.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>