On Sun, Apr 08, 2018 at 05:48:07PM +0800, Ming Lei wrote:
From commit 20e4d81393196 (blk-mq: simplify queue mapping & schedule
with each possisble CPU), one hctx can be mapped from all offline CPUs, then hctx->next_cpu can be set as wrong.
This patch fixes this issue by making hctx->next_cpu pointing to the first CPU in hctx->cpumask if all CPUs in hctx->cpumask are offline.
Looks good,
Reviewed-by: Christoph Hellwig hch@lst.de