NFSv4: Add debugging printks to state manager (cc0a9843) · Commits · e / devices / android_kernel_teracube_2e

fs/nfs/nfs4state.c

+33 −0

Original line number	Diff line number	Diff line
		@@ -1108,6 +1108,8 @@ void nfs4_schedule_lease_recovery(struct nfs_client *clp)
		return;
		if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
		set_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state);
		dprintk("%s: scheduling lease recovery for server %s\n", __func__,
		clp->cl_hostname);
		nfs4_schedule_state_manager(clp);
		}
		EXPORT_SYMBOL_GPL(nfs4_schedule_lease_recovery);
		@@ -1124,6 +1126,8 @@ static void nfs40_handle_cb_pathdown(struct nfs_client *clp)
		{
		set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
		nfs_expire_all_delegations(clp);
		dprintk("%s: handling CB_PATHDOWN recovery for server %s\n", __func__,
		clp->cl_hostname);
		}

		void nfs4_schedule_path_down_recovery(struct nfs_client *clp)
		@@ -1160,6 +1164,8 @@ void nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4
		struct nfs_client *clp = server->nfs_client;

		nfs4_state_mark_reclaim_nograce(clp, state);
		dprintk("%s: scheduling stateid recovery for server %s\n", __func__,
		clp->cl_hostname);
		nfs4_schedule_state_manager(clp);
		}
		EXPORT_SYMBOL_GPL(nfs4_schedule_stateid_recovery);
		@@ -1506,8 +1512,12 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
		nfs4_warn_keyexpired(clp->cl_hostname);
		break;
		default:
		dprintk("%s: failed to handle error %d for server %s\n",
		__func__, error, clp->cl_hostname);
		return error;
		}
		dprintk("%s: handled error %d for server %s\n", __func__, error,
		clp->cl_hostname);
		return 0;
		}

		@@ -1605,15 +1615,21 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status)
		case -NFS4ERR_MINOR_VERS_MISMATCH:
		if (clp->cl_cons_state == NFS_CS_SESSION_INITING)
		nfs_mark_client_ready(clp, -EPROTONOSUPPORT);
		dprintk("%s: exit with error %d for server %s\n",
		__func__, -EPROTONOSUPPORT, clp->cl_hostname);
		return -EPROTONOSUPPORT;
		case -EKEYEXPIRED:
		nfs4_warn_keyexpired(clp->cl_hostname);
		case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery
		* in nfs4_exchange_id */
		default:
		dprintk("%s: exit with error %d for server %s\n", __func__,
		status, clp->cl_hostname);
		return status;
		}
		set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
		dprintk("%s: handled error %d for server %s\n", __func__, status,
		clp->cl_hostname);
		return 0;
		}

		@@ -1653,6 +1669,8 @@ EXPORT_SYMBOL_GPL(nfs4_schedule_session_recovery);
		void nfs41_handle_recall_slot(struct nfs_client *clp)
		{
		set_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
		dprintk("%s: scheduling slot recall for server %s\n", __func__,
		clp->cl_hostname);
		nfs4_schedule_state_manager(clp);
		}

		@@ -1662,6 +1680,8 @@ static void nfs4_reset_all_state(struct nfs_client *clp)
		set_bit(NFS4CLNT_PURGE_STATE, &clp->cl_state);
		clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
		nfs4_state_start_reclaim_nograce(clp);
		dprintk("%s: scheduling reset of all state for server %s!\n",
		__func__, clp->cl_hostname);
		nfs4_schedule_state_manager(clp);
		}
		}
		@@ -1670,6 +1690,8 @@ static void nfs41_handle_server_reboot(struct nfs_client *clp)
		{
		if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
		nfs4_state_start_reclaim_reboot(clp);
		dprintk("%s: server %s rebooted!\n", __func__,
		clp->cl_hostname);
		nfs4_schedule_state_manager(clp);
		}
		}
		@@ -1677,12 +1699,15 @@ static void nfs41_handle_server_reboot(struct nfs_client *clp)
		static void nfs41_handle_state_revoked(struct nfs_client *clp)
		{
		nfs4_reset_all_state(clp);
		dprintk("%s: state revoked on server %s\n", __func__, clp->cl_hostname);
		}

		static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp)
		{
		/* This will need to handle layouts too */
		nfs_expire_all_delegations(clp);
		dprintk("%s: Recallable state revoked on server %s!\n", __func__,
		clp->cl_hostname);
		}

		static void nfs41_handle_backchannel_fault(struct nfs_client *clp)
		@@ -1690,6 +1715,8 @@ static void nfs41_handle_backchannel_fault(struct nfs_client *clp)
		nfs_expire_all_delegations(clp);
		if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0)
		nfs4_schedule_state_manager(clp);
		dprintk("%s: server %s declared a backchannel fault\n", __func__,
		clp->cl_hostname);
		}

		static void nfs41_handle_cb_path_down(struct nfs_client *clp)
		@@ -1740,6 +1767,8 @@ static int nfs4_reset_session(struct nfs_client *clp)
		memset(clp->cl_session->sess_id.data, 0, NFS4_MAX_SESSIONID_LEN);
		status = nfs4_proc_create_session(clp, cred);
		if (status) {
		dprintk("%s: session reset failed with status %d for server %s!\n",
		__func__, status, clp->cl_hostname);
		status = nfs4_handle_reclaim_lease_error(clp, status);
		goto out;
		}
		@@ -1747,6 +1776,8 @@ static int nfs4_reset_session(struct nfs_client *clp)
		/* create_session negotiated new slot table */
		clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
		clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
		dprintk("%s: session reset was successful for server %s!\n",
		__func__, clp->cl_hostname);

		/* Let the state manager reestablish state */
		if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
		@@ -1798,6 +1829,8 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp)
		clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
		switch (ret) {
		case 0:
		dprintk("%s: bind_conn_to_session was successful for server %s!\n",
		__func__, clp->cl_hostname);
		break;
		case -NFS4ERR_DELAY:
		ssleep(1);