-static int
-nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
- struct nfs4_state *state, long *timeout)
-{
- struct nfs_client *clp = server->nfs_client;
-
- if (task->tk_status >= 0)
- return 0;
- switch(task->tk_status) {
- case -NFS4ERR_DELEG_REVOKED:
- case -NFS4ERR_ADMIN_REVOKED:
- case -NFS4ERR_BAD_STATEID:
- case -NFS4ERR_OPENMODE:
- if (state == NULL)
- break;
- if (nfs4_schedule_stateid_recovery(server, state) < 0)
- goto recovery_failed;
- goto wait_on_recovery;
- case -NFS4ERR_EXPIRED:
- if (state != NULL) {
- if (nfs4_schedule_stateid_recovery(server, state) < 0)
- goto recovery_failed;
- }
- case -NFS4ERR_STALE_STATEID:
- case -NFS4ERR_STALE_CLIENTID:
- nfs4_schedule_lease_recovery(clp);
- goto wait_on_recovery;
- case -NFS4ERR_MOVED:
- if (nfs4_schedule_migration_recovery(server) < 0)
- goto recovery_failed;
- goto wait_on_recovery;
- case -NFS4ERR_LEASE_MOVED:
- nfs4_schedule_lease_moved_recovery(clp);
- goto wait_on_recovery;
-#if defined(CONFIG_NFS_V4_1)
- case -NFS4ERR_BADSESSION:
- case -NFS4ERR_BADSLOT:
- case -NFS4ERR_BAD_HIGH_SLOT:
- case -NFS4ERR_DEADSESSION:
- case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
- case -NFS4ERR_SEQ_FALSE_RETRY:
- case -NFS4ERR_SEQ_MISORDERED:
- dprintk("%s ERROR %d, Reset session\n", __func__,
- task->tk_status);
- nfs4_schedule_session_recovery(clp->cl_session, task->tk_status);
- goto wait_on_recovery;
-#endif /* CONFIG_NFS_V4_1 */
- case -NFS4ERR_DELAY:
- nfs_inc_server_stats(server, NFSIOS_DELAY);
- rpc_delay(task, nfs4_update_delay(timeout));
- goto restart_call;
- case -NFS4ERR_GRACE:
- rpc_delay(task, NFS4_POLL_RETRY_MAX);
- case -NFS4ERR_RETRY_UNCACHED_REP:
- case -NFS4ERR_OLD_STATEID:
- goto restart_call;
- }
- task->tk_status = nfs4_map_errors(task->tk_status);
- return 0;
-recovery_failed:
- task->tk_status = -EIO;
- return 0;
-wait_on_recovery:
- rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL);
- if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0)
- rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task);
- if (test_bit(NFS_MIG_FAILED, &server->mig_status))
- goto recovery_failed;
-restart_call:
- task->tk_status = 0;
- return -EAGAIN;
-}
-