const std::string &erasure_code_profile,
unsigned *stripe_width,
std::ostream *ss);
+ uint32_t get_osd_num_by_crush(int crush_rule);
int check_pg_num(int64_t pool, int pg_num, int size, int crush_rule, std::ostream* ss);
int prepare_new_pool(std::string& name,
int crush_rule,