v1.1.6

This is the sixth patch release for JuiceFS v1.1. It has 6 commits from 5 contributors, thanks to @davies @jiefenghuang @tangyoupeng @polyrabbit @YinhaoHu!

Bugfix

• cache: upload stage on link error to avoid read error (#5467)
• meta/kv: fix stat when unlinking an open file (#5488)
• fuse: fix copied bytes overflow (#5565)
• cmd/sync: fix check-all in cluster mode (#5525)
• cmd/sync: fix memory allocation that could cause stalls (#5497)
• object/hdfs: retry close if ErrReplica is returned (#5342)