tests/ts/lsfd/lsfd-functions.bash

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
   4 #
   5 # This file is part of util-linux.
   6 #
   7 # This file is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This file is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17
  18 function lsfd_wait_for_pausing {
  19         ts_check_prog "sleep"
  20
  21         local PID=$1
  22         until [[ $(ps --no-headers -ostat "${PID}") =~ S.* ]]; do
  23                 sleep 1
  24         done
  25 }
  26
  27 function lsfd_compare_dev {
  28     local LSFD=$1
  29     local FINDMNT=$2
  30     local EXPR=$3
  31
  32     ts_check_prog "grep"
  33
  34     local MNTID=$("${LSFD}" --raw -n -o MNTID -Q "${EXPR}")
  35     echo 'MNTID[RUN]:' $?
  36     local DEV=$("${LSFD}" --raw -n -o DEV -Q "${EXPR}")
  37     echo 'DEV[RUN]:' $?
  38     # "stat -c" %d or "stat -c %D" can be used here instead of "findmnt".
  39     # "stat" just prints a device id.
  40     # Unlike "stat", "findmnt" can print the major part and minor part
  41     # for a given device separately.
  42     # We can save the code for extracting the major part and minor part
  43     # if we use findmnt.
  44     local FINDMNT_MNTID_DEV=$("${FINDMNT}" --raw -n -o ID,MAJ:MIN | grep "^${MNTID}")
  45     echo 'FINDMNT[RUN]:' $?
  46     [ "${MNTID} ${DEV}" == "${FINDMNT_MNTID_DEV}" ]
  47     echo 'DEV[STR]:' $?
  48 }