Chunk server: do not search for stale chunks in flight if the stale chunks RPC's available chunks sequence matches, change log messages from warning to notice.
Chunk server: do not search for stale chunks in flight if the stale chunks RPC's available chunks sequence matches, change log messages from warning to notice.

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