Re: [PATCH 2/4] selftests: ublk: kublk: fix an error log line
From: Ming Lei
Date: Tue Mar 25 2025 - 23:09:05 EST
On Tue, Mar 25, 2025 at 04:19:32PM -0600, Uday Shankar wrote:
> When doing io_uring operations using liburing, errno is not used to
> indicate errors, so the %m format specifier does not provide any
> relevant information for failed io_uring commands. Fix a log line
> emitted on get_params failure to translate the error code returned in
> the cqe->res field instead.
>
> Signed-off-by: Uday Shankar <ushankar@xxxxxxxxxxxxxxx>
> ---
> tools/testing/selftests/ublk/kublk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests/ublk/kublk.c
> index b17eee643b2dbfd59903b61718afcbc21da91d97..ded1b93e7913011499ae5dae7b40f0e425982ee4 100644
> --- a/tools/testing/selftests/ublk/kublk.c
> +++ b/tools/testing/selftests/ublk/kublk.c
> @@ -215,7 +215,7 @@ static void ublk_ctrl_dump(struct ublk_dev *dev)
>
> ret = ublk_ctrl_get_params(dev, &p);
> if (ret < 0) {
> - ublk_err("failed to get params %m\n");
> + ublk_err("failed to get params %d %s\n", ret, strerror(-ret));
> return;
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
--
Ming