Re: [PATCH 03/13] list: Add list_add_(before|after) macros

[Christoph Hellwig]

On Fri, Jun 06, 2014 at 12:51:35PM -0700, Hugh Dickins wrote:
> I'll express my opinion: perhaps it's widely shared, perhaps it is not.
> 
> I think a patch like this (and the subsequent conversions) is unhelpful
> churn.
> 
> The Linux struct list_head is designed and intended to be used for both
> head and entry, and introducing aliases to make unnecessary distinctions
> just hinders development instead of helping it.
> 
> If the reader is confused at first, I hope the reader will soon learn,
> without needing to rely on aliases such as these.

I fully concur with Hugh - the list_head is symmetric for heads vs
entires, and lots of code depends on that.

In addition to that multiple functions that do exactly the same thing
generall are a bad idea.

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