NFSD: Add nfsd_clid_verf_mismatch tracepoint
authorChuck Lever <chuck.lever@oracle.com>
Fri, 14 May 2021 19:55:36 +0000 (15:55 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Tue, 18 May 2021 17:44:03 +0000 (13:44 -0400)
commit744ea54c869cebe41fbad5f53f8a8ca5d93a5c97
treeadb7fc452412189acacde5ae3c77fe6c5fb44d81
parent27787733ef44332fce749aa853f2749d141982b0
NFSD: Add nfsd_clid_verf_mismatch tracepoint

Record when a client presents a different boot verifier than the
one we know about. Typically this is a sign the client has
rebooted, but sometimes it signals a conflicting client ID, which
the client's administrator will need to address.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
fs/nfsd/nfs4state.c
fs/nfsd/trace.h