Re: [PATCH 2/3] btrfs: rename btrfs_block_group::count

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On Wed, Jun 3, 2020 at 11:43 AM Anand Jain <anand.jain@xxxxxxxxxx> wrote:
>
>
>
> On 3/6/20 6:19 pm, Filipe Manana wrote:
> > On Wed, Jun 3, 2020 at 11:13 AM Anand Jain <anand.jain@xxxxxxxxxx> wrote:
> >>
> >> The name 'count' is a very commonly used name. It is often difficult to
> >> review the code to check if there is any leak. So rename it to
> >> 'bg_count', which is unique enough.
> >
> > Hum? Seriously?
> >
> > count to bg_count?
> > It's a member of the block group structure, adding a bg_ prefix adds
> > no value at all, we know the count is related to the block group.
> > I could somewhat understand if you named it 'refcount' instead.
>
>
> Oh right. Now, bg_count does not make sense to me as well.
>
> Something like bg_refcount is better so that it is easy to search
> where all its been used. IMO.
>
> Are we ok with btrfs_block_group::bg_refcount instead ?

Why rename at all?
It's pretty obvious it's a reference count. Count/counter is not an
unusual name to use for a reference count, it even has get and put
helpers...

>
> Thanks,
> Anand
>
>
> > Thanks.



-- 
Filipe David Manana,

“Whether you think you can, or you think you can't — you're right.”




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