Re: [PATCH] block: make CONFIG_BLK_CGROUP visible

[Li Zefan]

>>  	---help---
>>  	Generic block IO controller cgroup interface. This is the common
>> @@ -91,7 +92,7 @@ config BLK_CGROUP
>>  	to such task groups.
>>  
>>  config DEBUG_BLK_CGROUP
>> -	bool
>> +	bool "Block cgroup debugging help"
> 
> 
> Why are you making DEBUG_BLK_CGROUP this as a user visible/configurable
> option? This is already controlled by DEBUG_CFQ_IOSCHED. If you don't want
> the DEBUG overhead, just set DEBUG_CFQ_IOSCHED=n and DEBUG_BLK_CGROUP will
> not be selected? Making it user visible does not seem to be buying us
> anything?
> 

Sounds reasonable. A minor question, since DEBUG_BLK_CGROUP is not
visible, the help message for this config is not visible too, so we
still keep it?
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