nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalid
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index de018ec..7748d6a 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -39,6 +39,8 @@
#define NFSDDBG_FACILITY NFSDDBG_PROC
+static void nfsd4_mark_cb_fault(struct nfs4_client *, int reason);
+
#define NFSPROC4_CB_NULL 0
#define NFSPROC4_CB_COMPOUND 1
@@ -460,6 +462,8 @@
*/
status = 0;
out:
+ if (status)
+ nfsd4_mark_cb_fault(cb->cb_clp, status);
return status;
out_overflow:
print_overflow_msg(__func__, xdr);
@@ -686,6 +690,12 @@
warn_no_callback_path(clp, reason);
}
+static void nfsd4_mark_cb_fault(struct nfs4_client *clp, int reason)
+{
+ clp->cl_cb_state = NFSD4_CB_FAULT;
+ warn_no_callback_path(clp, reason);
+}
+
static void nfsd4_cb_probe_done(struct rpc_task *task, void *calldata)
{
struct nfs4_client *clp = container_of(calldata, struct nfs4_client, cl_cb_null);