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 seq=`basename $0`
  10 seqres=$RESULT_DIR/$seq
  11 echo "QA output created by $seq"
  12
  13 here=`pwd`
  14 tmp=/tmp/$$
  15 status=1        # failure is the default!
  16 trap "_cleanup; exit \$status" 0 1 2 3 15
  17
  18 _cleanup()
  19 {
  20         cd /
  21         rm -f $tmp.*
  22 }
  23
  24 # get standard environment, filters and checks
  25 . ./common/rc
  26 . ./common/filter
  27
  28 # remove previous $seqres.full before test
  29 rm -f $seqres.full
  30
  31 # real QA test starts here
  32
  33 # Modify as appropriate.
  34 _supported_fs btrfs
  35 _require_scratch_dev_pool 3
  36 _require_scratch_swapfile
  37
  38 # We check the filesystem manually because we move devices around.
  39 rm -f "${RESULT_DIR}/require_scratch"
  40
  41 scratch_dev1="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $1 }')"
  42 scratch_dev2="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $2 }')"
  43 scratch_dev3="$(echo "${SCRATCH_DEV_POOL}" | awk '{ print $3 }')"
  44
  45 echo "Remove device"
  46 _scratch_mkfs >> $seqres.full 2>&1
  47 _scratch_mount
  48 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
  49 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  50 swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
  51 # We know the swap file is on device 1 because we added device 2 after it was
  52 # already created.
  53 $BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy"
  54 # Deleting/readding device 2 should still work.
  55 $BTRFS_UTIL_PROG device delete "$scratch_dev2" "$SCRATCH_MNT"
  56 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  57 swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1
  58 # Deleting device 1 should work again after swapoff.
  59 $BTRFS_UTIL_PROG device delete "$scratch_dev1" "$SCRATCH_MNT"
  60 _scratch_unmount
  61 _check_scratch_fs "$scratch_dev2"
  62
  63 echo "Replace device"
  64 _scratch_mkfs >> $seqres.full 2>&1
  65 _scratch_mount
  66 _format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
  67 $BTRFS_UTIL_PROG device add -f "$scratch_dev2" "$SCRATCH_MNT"
  68 swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
  69 # Again, we know the swap file is on device 1.
  70 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev3" "$SCRATCH_MNT" 2>&1 | grep -o "Text file busy"
  71 # Replacing device 2 should still work.
  72 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev2" "$scratch_dev3" "$SCRATCH_MNT"
  73 swapoff "$SCRATCH_MNT/swap" > /dev/null 2>&1
  74 # Replacing device 1 should work again after swapoff.
  75 $BTRFS_UTIL_PROG replace start -fB "$scratch_dev1" "$scratch_dev2" "$SCRATCH_MNT"
  76 _scratch_unmount
  77 _check_scratch_fs "$scratch_dev2"
  78
  79 # success, all done
  80 status=0
  81 exit