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[RFC,18/24] nfs: add a tracepoint to nfs_inode_detach_delegation_locked

Message ID 20240315-dir-deleg-v1-18-a1d6209a3654@kernel.org (mailing list archive)
State RFC
Headers show
Series vfs, nfsd, nfs: implement directory delegations | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Jeff Layton March 15, 2024, 4:53 p.m. UTC 
We have a tracepoint for setting a delegation and reclaiming them. Add a
tracepoint for when the delegation is being detached from the inode.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/nfs/delegation.c | 2 ++
 fs/nfs/nfs4trace.h  | 1 +
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index d4a42ce0c7e3..a331a2dbae12 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -342,6 +342,8 @@  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 fd7cb15b08b2..b4ebac1961cc 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -926,6 +926,7 @@  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(