Change Details

Regular lookup always locks vnodes, which means if LOCKLEAF is not specified it has to unlock. Since we don't lock upfront, check what needs to be done.

Regular lookup always locks vnodes, which means if LOCKLEAF is not specified it has to unlock. Since fast path does not lock upfront we can just check what needs to be done. New vget variant is introduced to elide locking.

Regular lookup always locks vnodes, which means if LOCKLEAF is not specified it has to unlock. Since we don'fast path does not lock upfront,nt we can just check what needs to be done. check what needsNew vget variant is introduced to be doneelide locking.