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Date: Fri, 20 Jul 2007 22:48:59 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Fengguang Wu <wfg@mail.ustc.edu.cn>
Cc: linux-kernel@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [PATCH 6/7] radixtree: introduce radix_tree_scan_hole()
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On Sat, 21 Jul 2007 12:43:06 +0800 Fengguang Wu <wfg@mail.ustc.edu.cn> wrote:

> Introduce radix_tree_scan_hole(root, index, max_scan) to scan radix tree
> for the first hole. It will be used in interleaved readahead.

If you're ever feeling fantastically bored, please consider updating the
userspace radix-tree test harness for this?  Cook up a couple of testcases
for the new functionality?

Thanks.

http://www.zip.com.au/~akpm/linux/patches/stuff/rtth.tar.gz is the latest.