Commit 0139a30a authored by Jeff Layton's avatar Jeff Layton Committed by Trond Myklebust
Browse files

nfs: add a tracepoint to nfs_inode_detach_delegation_locked 



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: default avatarBenjamin Coddington <bcodding@redhat.com>
Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-2-540c9fb48da2@kernel.org


Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 8c206b0a

fs/nfs/delegation.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

fs/nfs/nfs4trace.h

+1 −0
Original line number Diff line number Diff line
@@ -983,6 +983,7 @@ 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(