On Wed, Jul 22, 2009 at 11:50 PM, Li Zefan<lizf@xxxxxxxxxxxxxx> wrote:
>> Because it's not needed for the entire scope of the function. Keeping
>> its scope as small as possible makes it clearer what it's being used
>> for.
>>
>
> If we had been doing this, we'll see many:
>
> (no if, while, for)
> {
> ...
> }
>
> in kernel code, but I don't remember I ever saw this style.
>
Documentation/CodingStyle is silent on this subject. But OK, I've
moved new_root back to the top level. I think that it's a net loss to
readability though.
Paul
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