Chuck Lever 08281341be NFSD: Add tracepoints in nfsd4_decode/encode_compound() ...

For troubleshooting purposes, record failures to decode NFSv4
operation arguments and encode operation results.

trace_nfsd_compound_decode_err() replaces the dprintk() call sites
that are embedded in READ_* macros that are about to be removed.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

2020-11-30 14:46:35 -05:00

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