linux-kernel - Re: [PATCH 06/10] Generic radix trees

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Message-ID: <20180518173818.GC31737@kmo-pixel>
Date:   Fri, 18 May 2018 13:38:18 -0400
From:   Kent Overstreet <kent.overstreet@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Chinner <dchinner@...hat.com>, darrick.wong@...cle.com,
        tytso@....edu, linux-btrfs@...r.kernel.org, clm@...com,
        jbacik@...com, viro@...iv.linux.org.uk, willy@...radead.org,
        peterz@...radead.org
Subject: Re: [PATCH 06/10] Generic radix trees

On Fri, May 18, 2018 at 09:02:03AM -0700, Christoph Hellwig wrote:
> Completely lacks any explanation, including why this should be
> in lib/.  Also should come in the same series with actual users
> of the infrastructure.

Also in the cover letter...

 * Generic radix trees

 This is a very simple radix tree implementation that can store types of
 arbitrary size, not just pointers/unsigned long. It could probably replace
 flex arrays.