linux-kernel - Re: [PATCH 10/12] net/mlx4: replace <linux/radix-tree.h> with <linux/radix-tree-root.h>

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Message-Id: <20171008.100013.2081721941420989813.davem@davemloft.net>
Date:   Sun, 08 Oct 2017 10:00:13 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     yamada.masahiro@...ionext.com
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        akpm@...ux-foundation.org, abbotti@....co.uk, mingo@...nel.org,
        torvalds@...ux-foundation.org, linux-rdma@...r.kernel.org,
        yishaih@...lanox.com, tariqt@...lanox.com, netdev@...r.kernel.org
Subject: Re: [PATCH 10/12] net/mlx4: replace <linux/radix-tree.h> with
 <linux/radix-tree-root.h>

From: Masahiro Yamada <yamada.masahiro@...ionext.com>
Date: Mon,  9 Oct 2017 01:10:11 +0900

> The headers
>  - include/linux/mlx4/device.h
>  - drivers/net/ethernet/mellanox/mlx4/mlx4.h
> require the definition of struct radix_tree_root, but do not need to
> know anything about other radix tree stuff.
> 
> Include <linux/radix-tree-root.h> instead of <linux/radix-tree.h> to
> reduce the header dependency.
> 
> While we are here, let's add missing <linux/radix-tree.h> where
> radix tree accessors are used.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Honestly this makes things more complicated.

The driver was trying to consolidate all of the header needs
by including them all in one place, the main driver header.

Now you're including headers in several different files.

I really don't like the results of this change and would
ask you to reconsider.

Just add both radix-tree-root.h _and_ radix-tree.h to mlx4.h
and leave the rest of the driver alone.