Meta server: fix condition reversal with connection check and read lease acquire.
Meta server: fix condition reversal with connection check and read lease acquire.

qnu/qfs,qnu/qfs,quantcast/qfs,fengshao0907/qfs,chanwit/qfs,chanwit/qfs,fengshao0907/qfs,fengshao0907/qfs,thebigbrain/qfs,fengshao0907/qfs,quantcast/qfs,chanwit/qfs,thebigbrain/qfs,quantcast/qfs,thebigbrain/qfs,qnu/qfs,fengshao0907/qfs,qnu/qfs,thebigbrain/qfs,quantcast/qfs,quantcast/qfs,fengshao0907/qfs,thebigbrain/qfs,chanwit/qfs,qnu/qfs,qnu/qfs,fengshao0907/qfs,chanwit/qfs,quantcast/qfs,chanwit/qfs,qnu/qfs,thebigbrain/qfs,qnu/qfs,thebigbrain/qfs,chanwit/qfs,quantcast/qfs,fengshao0907/qfs,quantcast/qfs,chanwit/qfs,thebigbrain/qfs