It's possible to set both `atim` and `atim_now` in the `fstflags` parameter. Same goes for `mtin` and `mtim_now`. However, it's ambiguous which time should be set in these two cases. This commit checks this and returns `EINVAL`.
It's possible to set both `atim` and `atim_now` in the `fstflags` parameter. Same goes for `mtin` and `mtim_now`. However, it's ambiguous which time should be set in these two cases. This commit checks this and returns `EINVAL`.