lockInfo
static void releaseLockInfo(struct lockInfo *pLock){
struct lockInfo **ppLock, /* Return the lockInfo structure here */
struct lockInfo *pLock;
pLock = (struct lockInfo*)sqliteHashFind(&lockHash, &key1, sizeof(key1));
struct lockInfo *pOld;
struct lockInfo *pLock; /* Info about locks on this inode */