[LTP] [PATCH v12 1/2] tst_cgroup.c: Add a cgroup base controller

[Petr Vorel]

Hi Wei, Li,

> Hi Wei,

> Seems we have to skip the cgroup.subtree_control cleanup
> process inside tst_cg_cleanup(), otherwise, test complains that
> there is error operation in line#1020 if the unified cgroup-V2
> was mounted by LTP.

> (no need to resend another patch, someone who merge this can help fix.)

> --- a/lib/tst_cgroup.c
> +++ b/lib/tst_cgroup.c
> @@ -1012,7 +1012,8 @@ void tst_cg_cleanup(void)
>         }

>         for_each_ctrl(ctrl) {
> -               if (!cgroup_ctrl_on_v2(ctrl) ||
> !ctrl->ctrl_root->we_mounted_it)
> +               if (!cgroup_ctrl_on_v2(ctrl) ||
> !ctrl->ctrl_root->we_mounted_it
> +                               || !strcmp(ctrl->ctrl_name, "base"))
>                         continue;

Agree.

Reviewed-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr

>                 SAFE_FILE_PRINTFAT(ctrl->ctrl_root->mnt_dir.dir_fd,

> With above fix: