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[PATCH 3/5] radix tree test suite: Add new tag check

From Matthew Wilcox <mawilcox@linuxonhyperv.com>
Newsgroups linux.kernel
Subject [PATCH 3/5] radix tree test suite: Add new tag check
Date 2016-12-13 21:30 +0100
Message-ID <sO1S2-5EI-27@gated-at.bofh.it> (permalink)
References <sO1S1-5EI-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Matthew Wilcox <mawilcox@microsoft.com>

We have a check that setting a tag on a single entry at root succeeds,
but we were missing a check that clearing a tag on that same entry also
succeeds.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
---
 tools/testing/radix-tree/tag_check.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index ed5f87d..fd98c13 100644
--- a/tools/testing/radix-tree/tag_check.c
+++ b/tools/testing/radix-tree/tag_check.c
@@ -324,6 +324,9 @@ static void single_check(void)
 	assert(ret == 1);
 	ret = radix_tree_gang_lookup_tag(&tree, (void **)items, 0, BATCH, 1);
 	assert(ret == 1);
+	item_tag_clear(&tree, 0, 0);
+	ret = radix_tree_gang_lookup_tag(&tree, (void **)items, 0, BATCH, 0);
+	assert(ret == 0);
 	item_kill_tree(&tree);
 }
 
-- 
2.10.2

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Thread

[PATCH 0/5] Additional radix tree patches for 4.10 Matthew Wilcox <mawilcox@linuxonhyperv.com> - 2016-12-13 21:30 +0100
  [PATCH 4/5] radix tree test suite: Delete unused rcupdate.c Matthew Wilcox <mawilcox@linuxonhyperv.com> - 2016-12-13 21:30 +0100
  [PATCH 3/5] radix tree test suite: Add new tag check Matthew Wilcox <mawilcox@linuxonhyperv.com> - 2016-12-13 21:30 +0100
  [PATCH 1/5] radix tree test suite: Cache recently freed objects Matthew Wilcox <mawilcox@linuxonhyperv.com> - 2016-12-13 21:30 +0100
  [PATCH 2/5] radix-tree: Ensure counts are initialised Matthew Wilcox <mawilcox@linuxonhyperv.com> - 2016-12-13 21:30 +0100

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