linux-kernel - Re: [PATCH 2/8] radix tree test harness

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Date:	Tue, 26 Jan 2016 15:44:38 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Matthew Wilcox <matthew.r.wilcox@...el.com>
Cc:	Johannes Weiner <hannes@...xchg.org>,
	Matthew Wilcox <willy@...ux.intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 2/8] radix tree test harness

On Tue, 19 Jan 2016 09:25:27 -0500 Matthew Wilcox <matthew.r.wilcox@...el.com> wrote:

> From: Matthew Wilcox <willy@...ux.intel.com>
> 
> This code is mostly from Andrew Morton; tarball downloaded
> from http://ozlabs.org/~akpm/rtth.tar.gz with sha1sum
> 0ce679db9ec047296b5d1ff7a1dfaa03a7bef1bd
> 
> Some small modifications were necessary to the test harness to fix the
> build with the current Linux source code.
> 
> I also made minor modifications to automatically test the radix-tree.c
> and radix-tree.h files that are in the current source tree, as opposed
> to a copied and slightly modified version.  I am sure more could be
> done to tidy up the harness, as well as adding more tests.
> 
> ...
>
> diff --git a/tools/testing/radix-tree/linux/radix-tree.h b/tools/testing/radix-tree/linux/radix-tree.h
> new file mode 120000
> index 0000000..1e6f41f
> --- /dev/null
> +++ b/tools/testing/radix-tree/linux/radix-tree.h
> @@ -0,0 +1 @@
> +../../../../include/linux/radix-tree.h
> \ No newline at end of file

glumpf.  My tools have always had trouble with symlinks - patch(1)
seems to handle them OK but diff(1) screws things up.  I've had one go
at using git to replace patch/diff but it was a fail.

Am presently too lazy to have attempt #2 so I think I'll just do

--- /dev/null
+++ a/tools/testing/radix-tree/linux/radix-tree.h
@@ -0,0 +1 @@
+#include "../../../../include/linux/radix-tree.h"