Hi, Christoph,
Christoph Hellwig <hch@xxxxxx> writes:
> Now that applications need to explicitly ask for polling we can enable it
> by default in blk-mq drivers.
I don't think this is a good idea. I'd just enable it in nvme and the
micron driver for now.
Cheers,
Jeff
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> include/linux/blkdev.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 4571ef1..458f6ef 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -499,7 +499,8 @@ struct request_queue {
>
> #define QUEUE_FLAG_MQ_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
> (1 << QUEUE_FLAG_STACKABLE) | \
> - (1 << QUEUE_FLAG_SAME_COMP))
> + (1 << QUEUE_FLAG_SAME_COMP) | \
> + (1 << QUEUE_FLAG_POLL))
>
> static inline void queue_lockdep_assert_held(struct request_queue *q)
> {
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