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The PV header extension information (PV header extension version, flags and list of Embedding Area locations) is stored just beyond the PV header base. When calculating the Embedding Area start value (ea_start), the same logic is used as when calculating the pe_start value for Data Area - the value must follow exactly the same alignment restrictions for its start value (the alignment detected automatically or provided via command line using the --dataalignment and --dataalignmentoffset arguments). The Embedding Area is placed at the very start of the PV, starting at ea_start. The Data Area starting at pe_start is placed next. The pe_start is still properly aligned. Due to the pe_start alignment, it's possible that the resulting Embedding Area size (ea_size) ends up bigger in size than requested (but never less than requested). |
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| .. | ||
| lv_alloc.h | ||
| lv_manip.c | ||
| lv.c | ||
| lv.h | ||
| merge.c | ||
| metadata-exported.h | ||
| metadata.c | ||
| metadata.h | ||
| mirror.c | ||
| pv_alloc.h | ||
| pv_manip.c | ||
| pv_map.c | ||
| pv_map.h | ||
| pv.c | ||
| pv.h | ||
| raid_manip.c | ||
| replicator_manip.c | ||
| segtype.c | ||
| segtype.h | ||
| snapshot_manip.c | ||
| thin_manip.c | ||
| vg.c | ||
| vg.h | ||