tests/btrfs/162

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2018 Oracle.  All Rights Reserved.
   4 #
   5 # FS QA Test 162
   6 #
   7 # Nested seed device test
   8 #  Create a seed device
   9 #  Create a sprout device
  10 #  Make the sprout device a seed device and create a sprout device again
  11 #
  12 . ./common/preamble
  13 _begin_fstest auto quick volume seed
  14
  15 # Import common functions.
  16 . ./common/filter
  17 . ./common/filter.btrfs
  18
  19 # real QA test starts here
  20
  21 # Modify as appropriate.
  22 _supported_fs btrfs
  23 _require_command "$BTRFS_TUNE_PROG" btrfstune
  24 _require_scratch_dev_pool 3
  25
  26 _scratch_dev_pool_get 3
  27
  28 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
  29 dev_sprout_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
  30 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
  31
  32 create_seed()
  33 {
  34         _mkfs_dev $dev_seed
  35         run_check _mount $dev_seed $SCRATCH_MNT
  36         $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 256K" $SCRATCH_MNT/foobar >\
  37                 /dev/null
  38         echo -- gloden --
  39         od -x $SCRATCH_MNT/foobar
  40         _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
  41         _scratch_unmount
  42         $BTRFS_TUNE_PROG -S 1 $dev_seed
  43 }
  44
  45 create_sprout_seed()
  46 {
  47         run_check _mount $dev_seed $SCRATCH_MNT
  48         _run_btrfs_util_prog device add -f $dev_sprout_seed $SCRATCH_MNT
  49         _scratch_unmount
  50         $BTRFS_TUNE_PROG -S 1 $dev_sprout_seed
  51 }
  52
  53 create_next_sprout()
  54 {
  55         run_check _mount $dev_sprout_seed $SCRATCH_MNT
  56         _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
  57         _scratch_unmount
  58         run_check _mount $dev_sprout $SCRATCH_MNT
  59         echo -- sprout --
  60         od -x $SCRATCH_MNT/foobar
  61 }
  62
  63 create_seed
  64 create_sprout_seed
  65 create_next_sprout
  66
  67 _scratch_dev_pool_put
  68
  69 status=0
  70 exit