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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>
This commit is contained in:
Matthew Wilcox 2016-12-14 15:09:34 -08:00 committed by Linus Torvalds
parent e8de434076
commit 092bc0b225
1 changed files with 3 additions and 0 deletions
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3
tools/testing/radix-tree/tag_check.c
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@ -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);
}