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authorMatthew Wilcox <mawilcox@microsoft.com>2016-12-14 15:09:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 16:04:10 -0800
commit092bc0b225a9bdb6dca0959ddd6826afb6d40747 (patch)
tree30f39f97483926b3a1a53598b942f60ccff27104
parente8de4340767dd002978c285e3adddaeda8ac652c (diff)
radix tree test suite: add new tag check
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. Link: http://lkml.kernel.org/r/1481667692-14500-4-git-send-email-mawilcox@linuxonhyperv.com Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--tools/testing/radix-tree/tag_check.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index ed5f87d1dce2..fd98c132207a 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);
}