Zdenek Kabelac 2a08d6d1d4 cachevol: use CVOL UUID for cdata and cmeta layered devices ... Since code is using -cdata and -cmeta UUID suffixes, it does not need any new 'extra' ID to be generated and stored in metadata. Since introduce of new 'segtype' cache+CACHE_USES_CACHEVOL we can safely assume 'new' cache with cachevol will now be created without extra metadata_id and data_id in metadata. For backward compatibility, code still reads them in case older version of metadata have them - so it still should be able to activate such volumes. Bonus is lowered size of lv structure used to store info about LV (noticable with big volume groups).		2019-10-17 13:03:49 +02:00
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cache.c	cachevol: use CVOL UUID for cdata and cmeta layered devices	2019-10-17 13:03:49 +02:00