From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> Subject: 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@xxxxxxxxxxxxxxxxx Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/radix-tree/tag_check.c | 3 +++ 1 file changed, 3 insertions(+) diff -puN tools/testing/radix-tree/tag_check.c~radix-tree-test-suite-add-new-tag-check tools/testing/radix-tree/tag_check.c --- a/tools/testing/radix-tree/tag_check.c~radix-tree-test-suite-add-new-tag-check +++ a/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); } _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
