函数逻辑报告

函数名称：The hash key of the lock dependency chains is a hash itself too:* it's a hash of all locks taken up to that lock, including that lock.* It's a 64-bit hash, because it's important for the keys to be* unique.

函数原型：static inline u64 iterate_chain_key(u64 key, unsigned int idx)

返回类型：u64

参数：