Re: [RFC PATCH v3 3/8] selftests/fuse: check that fusectlfs is mounted

[Amir Goldstein]

On Fri, Sep 4, 2026 at 12:38 PM Luis Henriques <luis@xxxxxxxxxx> wrote:
>
> The control filesystem for FUSE needs to be mounted for the fusectl_test to
> be successfully run.  Skip the test is that is not the case.
>
> Signed-off-by: Luis Henriques <luis@xxxxxxxxxx>

Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
>  tools/testing/selftests/filesystems/fuse/fusectl_test.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/filesystems/fuse/fusectl_test.c b/tools/testing/selftests/filesystems/fuse/fusectl_test.c
> index 0d1d012c35ed..b828173c01bd 100644
> --- a/tools/testing/selftests/filesystems/fuse/fusectl_test.c
> +++ b/tools/testing/selftests/filesystems/fuse/fusectl_test.c
> @@ -106,8 +106,15 @@ TEST_F(fusectl, abort)
>         char path_buf[PATH_MAX];
>         int abort_fd, test_fd, ret;
>
> -       sprintf(path_buf, "/sys/fs/fuse/connections/%d/abort", self->connection);
> +       snprintf(path_buf, PATH_MAX, "%s/%d", FUSECTL_MOUNTPOINT,
> +                self->connection);
> +       if (access(path_buf, F_OK) != 0)
> +               SKIP(return,
> +                    "fusectl doesn't seem to be mounted: %s",
> +                    strerror(errno));
>
> +       snprintf(path_buf, PATH_MAX, "%s/%d/abort", FUSECTL_MOUNTPOINT,
> +                self->connection);
>         ASSERT_EQ(0, access(path_buf, F_OK));
>
>         abort_fd = open(path_buf, O_WRONLY);