tests/btrfs/176

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2018 Facebook.  All Rights Reserved.
   4 #
   5 # FS QA Test 176
   6 #
   7 # Test device remove/replace with an active swap file.
   8 #
   9 . ./common/preamble
  10 _begin_fstest auto quick swap volume
  11
  12 # Import common functions.
  13 . ./common/filter
  14
  15 # real QA test starts here
  16
  17 # Modify as appropriate.
  18 _supported_fs btrfs
  19 _require_scratch_dev_pool 3
  20 _require_scratch_swapfile
  21
  22 # We check the filesystem manually because we move devices around.
  23 rm -f "${RESULT_DIR}/require_scratch"
  24
  25 scratch_dev1="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $1 }')"
  26 scratch_dev2="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $2 }')"
  27 scratch_dev3="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $3 }')"
  28
  29 echo "Remove device"
  30 _scratch_mkfs >> $seqres.full 2>&1
  31 _scratch_mount
  32 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
  33 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  34 swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
  35 # We know the swap file is on device 1 because we added device 2 after it was
  36 # already created.
  37 $BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy"
  38 # Deleting/readding device 2 should still work.
  39 $BTRFS_UTIL_PROG device delete "$scratch_dev2" "$SCRATCH_MNT"
  40 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  41 swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1
  42 # Deleting device 1 should work again after swapoff.
  43 $BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT"
  44 _scratch_unmount
  45 _check_scratch_fs "$scratch_dev2"
  46
  47 echo "Replace device"
  48 _scratch_mkfs >> $seqres.full 2>&1
  49 _scratch_mount
  50 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
  51 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  52 swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
  53 # Again, we know the swap file is on device 1.
  54 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev3" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy"
  55 # Replacing device 2 should still work.
  56 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev2" "$scratch_dev3" "$SCRATCH_MNT"
  57 swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1
  58 # Replacing device 1 should work again after swapoff.
  59 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev2" "$SCRATCH_MNT"
  60 _scratch_unmount
  61 _check_scratch_fs "$scratch_dev2"
  62
  63 # success, all done
  64 status=0
  65 exit