Current md_list_get() implementation filters all block devices, started from "md*". This is ambiguous because list could contain: - partitions created upon md device (mdXpY) - external metadata container- specific type of md array. For partitions there is no issue, because they aren't handle STOP_ARRAY ioctl sent later. It generates misleading errors only. Second case is more problematic because containers are not locked in kernel. They are stopped even if container member array is active. For that reason reboot or shutdown flow could be blocked because metadata manager cannot be restarted after switch root on shutdown. Add filters to remove partitions and containers from md_list. Partitions can be excluded by DEVTYPE. Containers are determined by MD_LEVEL property, we are excluding all with "container" value. Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
System and Service Manager
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