lustre/llite/recover.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * Lustre Lite recovery infrastructure.
   5  *
   6  * Copyright (C) 2002 Cluster File Systems Inc.
   7  */
   8
   9 #define DEBUG_SUBSYSTEM S_LLITE
  10
  11 #include <linux/lustre_lite.h>
  12 #include <linux/lustre_ha.h>
  13
  14 static int ll_retry_recovery(struct ptlrpc_connection *conn)
  15 {
  16     ENTRY;
  17     RETURN(0);
  18 }
  19
  20 int ll_recover(struct recovd_data *rd, int phase)
  21 {
  22         struct ptlrpc_connection *conn = class_rd2conn(rd);
  23
  24         LASSERT(conn);
  25         ENTRY;
  26
  27         switch (phase) {
  28             case PTLRPC_RECOVD_PHASE_PREPARE:
  29                 RETURN(ptlrpc_run_recovery_upcall(conn));
  30             case PTLRPC_RECOVD_PHASE_RECOVER:
  31                 RETURN(ptlrpc_reconnect_and_replay(conn));
  32             case PTLRPC_RECOVD_PHASE_FAILURE:
  33                 RETURN(ll_retry_recovery(conn));
  34         }
  35
  36         LBUG();
  37         RETURN(-ENOSYS);
  38 }