| Message ID | 20241028233058.283381-4-sj@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | [1/6] selftests/damon/huge_count_read_write: provide sufficiently large buffer for DEPRECATED file read | expand |
diff --git a/tools/testing/selftests/damon/_debugfs_common.sh b/tools/testing/selftests/damon/_debugfs_common.sh index aa995516870b..54d45791b0d9 100644 --- a/tools/testing/selftests/damon/_debugfs_common.sh +++ b/tools/testing/selftests/damon/_debugfs_common.sh @@ -8,7 +8,12 @@ test_write_result() { expect_reason=$4 expected=$5 - echo "$content" > "$file" + if [ "$expected" = "0" ] + then + echo "$content" > "$file" + else + echo "$content" > "$file" 2> /dev/null + fi if [ $? -ne "$expected" ] then echo "writing $content to $file doesn't return $expected"
DAMON debugfs interface selftests use test_write_result() to check if valid or invalid writes to files of the interface success or fail as expected. File write error messages from expected failures are only making the output noisy. Hide such expected error messages. Fixes: b348eb7abd09 ("mm/damon: add user space selftests") Signed-off-by: SeongJae Park <sj@kernel.org> --- tools/testing/selftests/damon/_debugfs_common.sh | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)