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 }
  26
  27 # get standard environment, filters and checks
  28 . ./common/rc
  29 . ./common/module
  30
  31 # remove previous $seqres.full before test
  32 rm -f $seqres.full
  33
  34 # real QA test starts here
  35
  36 # Modify as appropriate.
  37 _supported_fs btrfs
  38 _require_btrfs_forget_or_module_loadable
  39 _require_scratch_dev_pool 2
  40
  41 _scratch_dev_pool_get 2
  42
  43 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
  44 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
  45
  46 create_seed()
  47 {
  48         _mkfs_dev $dev_seed
  49         run_check _mount $dev_seed $SCRATCH_MNT
  50         $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\
  51                 /dev/null
  52         echo -- gloden --
  53         od -x $SCRATCH_MNT/foobar
  54         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  55         _scratch_unmount
  56         $BTRFS_TUNE_PROG -S 1 $dev_seed
  57         run_check _mount $dev_seed $SCRATCH_MNT
  58 }
  59
  60 add_sprout()
  61 {
  62         _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
  63         run_check mount -o rw,remount $dev_seed $SCRATCH_MNT
  64         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  65 }
  66
  67 delete_seed()
  68 {
  69         _run_btrfs_util_prog device delete $dev_seed $SCRATCH_MNT
  70         _scratch_unmount
  71         _btrfs_forget_or_module_reload
  72         run_check _mount $dev_sprout $SCRATCH_MNT
  73         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  74         echo -- sprout --
  75         od -x $SCRATCH_MNT/foobar
  76         _scratch_unmount
  77 }
  78
  79 seed_is_mountable()
  80 {
  81         run_check _mount $dev_seed $SCRATCH_MNT
  82         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  83         _scratch_unmount
  84 }
  85
  86 create_seed
  87 add_sprout
  88 delete_seed
  89
  90 seed_is_mountable
  91
  92 _scratch_dev_pool_put
  93
  94 status=0
  95 exit