b=1046

b=1046

- add a new argument to upcalls. The first argument identifies the reason
  of upcall.  The upcall script path is now /proc/sys/lustre/upcall, and the
  config option has changed from --recovery_upcall to --lustre_upcall.

  Current lustre upcall types and arguments:

    FAILED_IMPORT tgt_uuid dev_uuid net_uuid
    RECOVERY_OVER dev_uuid

- The config tools also support the new --portals_upcall, and both of the
  upcalls can be set to the same script with the --upcall option.

  There is only one portals upcall type:

    LBUG filename function line