tests/btrfs/164

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2018 Oracle.  All Rights Reserved.
   4 #
   5 # FS QA Test 164 seed device delete test
   6 #
   7 # Test case to verify that a seed device can be deleted
   8 #  Create a seed device
   9 #  Create a sprout device
  10 #  Remount RW
  11 #  Run device delete on the seed device
  12 seq=`basename $0`
  13 seqres=$RESULT_DIR/$seq
  14 echo "QA output created by $seq"
  15
  16 here=`pwd`
  17 tmp=/tmp/$$
  18 status=1        # failure is the default!
  19 trap "_cleanup; exit \$status" 0 1 2 3 15
  20
  21 _cleanup()
  22 {
  23         cd /
  24         rm -f $tmp.*
  25         _btrfs_rescan_devices
  26 }
  27
  28 # get standard environment, filters and checks
  29 . ./common/rc
  30 . ./common/module
  31
  32 # remove previous $seqres.full before test
  33 rm -f $seqres.full
  34
  35 # real QA test starts here
  36
  37 # Modify as appropriate.
  38 _supported_fs btrfs
  39 _require_btrfs_forget_or_module_loadable
  40 _require_scratch_dev_pool 2
  41
  42 _scratch_dev_pool_get 2
  43
  44 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
  45 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
  46
  47 create_seed()
  48 {
  49         _mkfs_dev $dev_seed
  50         run_check _mount $dev_seed $SCRATCH_MNT
  51         $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\
  52                 /dev/null
  53         echo -- gloden --
  54         od -x $SCRATCH_MNT/foobar
  55         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  56         _scratch_unmount
  57         $BTRFS_TUNE_PROG -S 1 $dev_seed
  58         run_check _mount $dev_seed $SCRATCH_MNT
  59 }
  60
  61 add_sprout()
  62 {
  63         _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
  64         run_check mount -o rw,remount $dev_seed $SCRATCH_MNT
  65         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  66 }
  67
  68 delete_seed()
  69 {
  70         _run_btrfs_util_prog device delete $dev_seed $SCRATCH_MNT
  71         _scratch_unmount
  72         _btrfs_forget_or_module_reload
  73         run_check _mount $dev_sprout $SCRATCH_MNT
  74         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  75         echo -- sprout --
  76         od -x $SCRATCH_MNT/foobar
  77         _scratch_unmount
  78 }
  79
  80 seed_is_mountable()
  81 {
  82         run_check _mount $dev_seed $SCRATCH_MNT
  83         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  84         _scratch_unmount
  85 }
  86
  87 create_seed
  88 add_sprout
  89 delete_seed
  90
  91 seed_is_mountable
  92
  93 _scratch_dev_pool_put
  94 _btrfs_rescan_devices
  95
  96 status=0
  97 exit