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os/bluestore: fix empty store divide by 0 runtime error #46133

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os/bluestore: fix empty store divide by 0 runtime error #46133

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3 changes: 2 additions & 1 deletion src/os/bluestore/BlueStore.h
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Expand Up @@ -2460,7 +2460,8 @@ class BlueStore : public ObjectStore,
return (2 > onode_num) ? 2 : onode_num;
}
double get_bytes_per_onode() const {
return (double)_get_used_bytes() / (double)_get_num_onodes();
return std::max((double)_get_used_bytes(), 1.0) /
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Looks like std::max should be applied to _get_num_onodes() call not _get_used_bytes() to fight devision by zero issue

(double)_get_num_onodes();
}
};
std::shared_ptr<MetaCache> meta_cache;
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