tests/generic/347

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2015 Red Hat, Inc.  All Rights Reserved.
   4 #
   5 # FS QA Test No. generic/347
   6 #
   7 # Test very basic thin device usage, exhaustion, and growth
   8 #
   9 #
  10 . ./common/preamble
  11 _begin_fstest auto quick rw thin
  12
  13 BACKING_SIZE=$((500 * 1024 * 1024 / 512))       # 500M
  14 VIRTUAL_SIZE=$((10 * $BACKING_SIZE))            # 5000M
  15 GROW_SIZE=$((100 * 1024 * 1024 / 512))          # 100M
  16
  17 # Override the default cleanup function.
  18 _cleanup()
  19 {
  20         _dmthin_cleanup
  21         rm -f $tmp.*
  22 }
  23
  24 _setup_thin()
  25 {
  26         _dmthin_init $BACKING_SIZE $VIRTUAL_SIZE
  27         _dmthin_set_queue
  28         _dmthin_mkfs
  29         _dmthin_mount
  30 }
  31
  32 _workout()
  33 {
  34         # Overfill it by a bit
  35         for I in `seq 1 500`; do
  36                 $XFS_IO_PROG -f -c "pwrite -W 0 1M" $SCRATCH_MNT/file$I &>/dev/null
  37         done
  38
  39         sync
  40
  41         _dmthin_grow  $GROW_SIZE
  42
  43         # Write a little more, but don't fill
  44         for I in `seq 501 510`; do
  45                 $XFS_IO_PROG -f -c "pwrite 0 1M" $SCRATCH_MNT/file$I &>/dev/null
  46         done
  47 }
  48
  49 # Import common functions.
  50 . ./common/dmthin
  51
  52 _supported_fs generic
  53 _require_scratch_nocheck
  54 _require_dm_target thin-pool
  55
  56 _setup_thin
  57 _workout
  58 _dmthin_check_fs
  59 _dmthin_cleanup
  60
  61 echo "=== completed"
  62
  63 status=0
  64 exit