We have tracepoints for setting a delegation and reclaiming them. Add a tracepoint for when the delegation is being detached from the inode. Reviewed-by: Benjamin Coddington <bcodding@xxxxxxxxxx> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> --- fs/nfs/delegation.c | 2 ++ fs/nfs/nfs4trace.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 10ef46e29b2544920c026f023885301d5d8e22cd..78a97d340bbd98390ca8302176c17caf08dcab4a 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -355,6 +355,8 @@ nfs_detach_delegation_locked(struct nfs_inode *nfsi, rcu_dereference_protected(nfsi->delegation, lockdep_is_held(&clp->cl_lock)); + trace_nfs4_detach_delegation(&nfsi->vfs_inode, delegation->type); + if (deleg_cur == NULL || delegation != deleg_cur) return NULL; diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index deab4c0e21a0642ee97b0b81f8c55812f5028f7c..6e1c4590ef9bf60eac994e85be816e82f5e0c741 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -956,6 +956,7 @@ DECLARE_EVENT_CLASS(nfs4_set_delegation_event, TP_ARGS(inode, fmode)) DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_set_delegation); DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_reclaim_delegation); +DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_detach_delegation); TRACE_EVENT(nfs4_delegreturn_exit, TP_PROTO( -- 2.49.0
