On Tue, Jul 5, 2016 at 11:10 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > I started a systemd-devel@ thread since that's where most udev stuff > gets talked about. > > https://lists.freedesktop.org/archives/systemd-devel/2016-July/037031.html > Before discussing how to implement it in systemd, we need to decide what to implement. I.e. 1) do you always want to mount filesystem in degraded mode if not enough devices are present or only if explicit hint is given? 2) do you want to restrict degrade handling to root only or to other filesystems as well? Note that there could be more early boot filesystems that absolutely need same treatment (enters separate /usr), and there are also normal filesystems that may need be mounted even degraded. 3) can we query btrfs whether it is mountable in degraded mode? according to documentation, "btrfs device ready" (which udev builtin follows) checks "if it has ALL of it’s devices in cache for mounting". This is required for proper systemd ordering of services. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
