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osd/PG: tolerate missing epoch key
An orphan PG may have an info attr but no epoch key. Signed-off-by: Sage Weil <sage@redhat.com>
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@ -2847,7 +2847,10 @@ int PG::peek_map_epoch(ObjectStore *store,
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values.clear();
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keys.insert(ek);
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store->omap_get_values(coll_t::meta(), legacy_infos_oid, keys, &values);
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assert(values.size() == 1);
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if (values.size() < 1) {
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// probably bug 10617; see OSD::load_pgs()
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return -1;
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}
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bufferlist::iterator p = values[ek].begin();
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::decode(cur_epoch, p);
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} else {
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