Qfs client library: fix handling invalidated i-node path cache entries, where the entry path is valid, but i-node number and generation aren't. For example: i-node (file or directory) was deleted with bulk delete was used (rmdirs) and then created again.
Qfs client library: fix handling invalidated i-node path cache entries, where the entry path is valid, but i-node number and generation aren't. For example: i-node (file or directory) was deleted with bulk delete was used (rmdirs) and then created again.

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