On Wed, 21 Oct 2020 14:55:46 +0200
Christian Schoenebeck wrote:
> This test case uses a Tunlinkat request to remove a previously hard
> linked file by using the 9pfs 'local' fs driver.
>
> Signed-off-by: Christian Schoenebeck
> ---
Reviewed-by: Greg Kurz
> tests/qtest/virtio-9p-test.c | 30 ++
> 1 file changed, 30 insertions(+)
>
> diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c
> index 460fa49fe3..23433913bb 100644
> --- a/tests/qtest/virtio-9p-test.c
> +++ b/tests/qtest/virtio-9p-test.c
> @@ -1391,6 +1391,34 @@ static void fs_hardlink_file(void *obj, void *data,
> QGuestAllocator *t_alloc)
> g_free(real_file);
> }
>
> +static void fs_unlinkat_hardlink(void *obj, void *data,
> + QGuestAllocator *t_alloc)
> +{
> +QVirtio9P *v9p = obj;
> +alloc = t_alloc;
> +struct stat st_real, st_link;
> +char *real_file = virtio_9p_test_path("08/real_file");
> +char *hardlink_file = virtio_9p_test_path("08/hardlink_file");
> +
> +do_attach(v9p);
> +do_mkdir(v9p, "/", "08");
> +do_lcreate(v9p, "08", "real_file");
> +g_assert(stat(real_file, _real) == 0);
> +g_assert((st_real.st_mode & S_IFMT) == S_IFREG);
> +
> +do_hardlink(v9p, "08", "hardlink_file", "08/real_file");
> +g_assert(stat(hardlink_file, _link) == 0);
> +
> +do_unlinkat(v9p, "08", "hardlink_file", 0);
> +/* symlink should be gone now */
> +g_assert(stat(hardlink_file, _link) != 0);
> +/* and old file should still exist */
> +g_assert(stat(real_file, _real) == 0);
> +
> +g_free(hardlink_file);
> +g_free(real_file);
> +}
> +
> static void *assign_9p_local_driver(GString *cmd_line, void *arg)
> {
> virtio_9p_assign_local_driver(cmd_line, "security_model=mapped-xattr");
> @@ -1438,6 +1466,8 @@ static void register_virtio_9p_test(void)
> qos_add_test("local/unlinkat_symlink", "virtio-9p", fs_unlinkat_symlink,
> );
> qos_add_test("local/hardlink_file", "virtio-9p", fs_hardlink_file,
> );
> +qos_add_test("local/unlinkat_hardlink", "virtio-9p",
> fs_unlinkat_hardlink,
> + );
> }
>
> libqos_init(register_virtio_9p_test);
