Commit 127276c6 authored by Ming Lei's avatar Ming Lei Committed by Jens Axboe

blk-mq: reimplement blk_mq_hw_queue_mapped

Now the actual meaning of queue mapped is that if there is any online
CPU mapped to this hctx, so implement blk_mq_hw_queue_mapped() in this
way.

Cc: Stefan Haberland <sth@linux.vnet.ibm.com>
Tested-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg's avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent efea8450
......@@ -181,7 +181,7 @@ static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
static inline bool blk_mq_hw_queue_mapped(struct blk_mq_hw_ctx *hctx)
{
return hctx->nr_ctx && hctx->tags;
return cpumask_first_and(hctx->cpumask, cpu_online_mask) < nr_cpu_ids;
}
void blk_mq_in_flight(struct request_queue *q, struct hd_struct *part,
......
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