On Wed, Sep 24, 2014 at 6:26 PM, Christoph Hellwig wrote:
>> +struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
>> + struct blk_mq_hw_ctx *hctx, int cmd_size)
>
> I still think this should pass in the numa node instead of the hctx, and
> allow node-local allocation
> +struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
> + struct blk_mq_hw_ctx *hctx, int cmd_size)
I still think this should pass in the numa node instead of the hctx, and
allow node-local allocation for the old code as well. As mentioned earlier
initializing mq_f
This patch supports to run one single flush machinery for
each blk-mq dispatch queue, so that:
- current init_request and exit_request callbacks can
cover flush request too, then the buggy copying way of
initializing flush request's pdu can be fixed
- flushing performance gets improved in case of
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