Commit fb253d5b authored May 21, 2022 by Steve French

smb3: add trace point for lease not found issue



When trying to debug problems with server sending us a
lease we don't recognize, it would be helpful to have
a dynamic trace point for this case.  New tracepoint
is called trace_smb3_lease_not_found

Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

parent fb64f7f1

fs/cifs/smb2misc.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -656,6 +656,12 @@ smb2_is_valid_lease_break(char *buffer)
		}
		spin_unlock(&cifs_tcp_ses_lock);
		cifs_dbg(FYI, "Can not process lease break - no lease matched\n");
		trace_smb3_lease_not_found(le32_to_cpu(rsp->CurrentLeaseState),
		le32_to_cpu(rsp->hdr.Id.SyncId.TreeId),
		le64_to_cpu(rsp->hdr.SessionId),
		((u64 )rsp->LeaseKey),
		((u64 )&rsp->LeaseKey[8]));

		return false;
		}

fs/cifs/trace.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -814,6 +814,7 @@ DEFINE_EVENT(smb3_lease_done_class, smb3_##name, \
		TP_ARGS(lease_state, tid, sesid, lease_key_low, lease_key_high))

		DEFINE_SMB3_LEASE_DONE_EVENT(lease_done);
		DEFINE_SMB3_LEASE_DONE_EVENT(lease_not_found);

		DECLARE_EVENT_CLASS(smb3_lease_err_class,
		TP_PROTO(__u32 lease_state,