NFS remove operations taking a long time and tripping hung_task backtraces and/or hung_task panics
Issue
- experiencing hung_task panics or in general slow NFS remove operations
- removing a NFS file is slow with NetApp NFS server
Environment
- Red Hat Enterprise Linux 6, 7, 8, 9 (NFS client)
- seen with NetApp filer (NFS server) and large file removes
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