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Subject: Re: [PATCH v17 2/6] radix tree test suite: add tests for xbitmap
On 11/07/2017 01:00 AM, Matthew Wilcox wrote:
On Fri, Nov 03, 2017 at 04:13:02PM +0800, Wei Wang wrote:From: Matthew Wilcox <mawilcox@microsoft.com> Add the following tests for xbitmap: 1) single bit test: single bit set/clear/find; 2) bit range test: set/clear a range of bits and find a 0 or 1 bit in the range. Signed-off-by: Wei Wang <wei.w.wang@intel.com> Cc: Matthew Wilcox <mawilcox@microsoft.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Michael S. Tsirkin <mst@redhat.com> --- tools/include/linux/bitmap.h | 34 ++++ tools/include/linux/kernel.h | 2 + tools/testing/radix-tree/Makefile | 7 +- tools/testing/radix-tree/linux/kernel.h | 2 - tools/testing/radix-tree/main.c | 5 + tools/testing/radix-tree/test.h | 1 + tools/testing/radix-tree/xbitmap.c | 278 ++++++++++++++++++++++++++++++++Umm. No. You've duplicated xbitmap.c into the test framework, so now it can slowly get out of sync with the one in lib/. That's not OK. Put it back the way it was, with the patch I gave you as patch 1/n (relocating xbitmap.c from tools/testing/radix-tree to lib/). Then add your enhancements as patch 2/n. All you should need to change in your 1/n from http://git.infradead.org/users/willy/linux-dax.git/commit/727e401bee5ad7d37e0077291d90cc17475c6392 is a bit of Makefile tooling. Leave the test suite embedded in the file; that way people might remember to update the test suite when adding new functionality.
Thanks for you suggestions. Please have a check the v18 patches:The original implementation is put in patch 4, and the proposed changes are separated into patch 5 (we can merge them to patch 4 later if they look good to you), and the new APIs are in patch 6.
Best, Wei
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