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| author | Chuck Lever <chuck.lever@oracle.com> | 2022-10-28 17:47:09 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-11-28 20:54:46 +0300 |
| commit | a1c74569bbde91299f24535abf711be5c84df9de (patch) | |
| tree | b40e8a9e1c94dfe8a8afff48f6340ccdbe5d214a /fs/nfsd/nfs4state.c | |
| parent | 20eee313ff4b8a7e71ae9560f5c4ba27cd763005 (diff) | |
| download | linux-a1c74569bbde91299f24535abf711be5c84df9de.tar.xz | |
NFSD: Trace delegation revocations
Delegation revocation is an exceptional event that is not otherwise
visible externally (eg, no network traffic is emitted). Generate a
trace record when it occurs so that revocation can be observed or
other activity can be triggered. Example:
nfsd-1104 [005] 1912.002544: nfsd_stid_revoke: client 633c9343:4e82788d stateid 00000003:00000001 ref=2 type=DELEG
Trace infrastructure is provided for subsequent additional tracing
related to nfs4_stid activity.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 9ec66611a458..7c131cac2705 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1366,6 +1366,8 @@ static void revoke_delegation(struct nfs4_delegation *dp) WARN_ON(!list_empty(&dp->dl_recall_lru)); + trace_nfsd_stid_revoke(&dp->dl_stid); + if (clp->cl_minorversion) { dp->dl_stid.sc_type = NFS4_REVOKED_DELEG_STID; refcount_inc(&dp->dl_stid.sc_count); |