Re: [PATCH next 3/4] blk-mq: user (1 << order) to implement order_to_size()

[Jens Axboe]

On Apr 18, 2014, at 8:17 PM, Ming Lei <tom.leiming@xxxxxxxxx> wrote:
> 
>> On Sat, Apr 19, 2014 at 3:23 AM, JÃrg-Volker Peetz <jvpeetz@xxxxxx> wrote:
>> 
>> Testing this with gcc 4.8.2 with order > 30 confirms that the automatic casting
>> is done operator-wise and the explicit casting is necessary.
> 
> My gcc 4.8.2 doesn't complain the change, see below:

It won't complain, but that doesn't mean that it won't get it wrong. The cast is necessary.

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