usr/src/test/zfs-tests/tests/functional/sparse/sparse_001_pos.ksh

   1 #!/usr/bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 #
  29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  30 #
  31
  32 . $STF_SUITE/include/libtest.shlib
  33 . $STF_SUITE/tests/functional/sparse/sparse.cfg
  34
  35 #
  36 # DESCRIPTION:
  37 # Holes in ZFS files work correctly.
  38 #
  39 # STRATEGY:
  40 # 1. Open file
  41 # 2. Write random blocks in random places
  42 # 3. Read each block back to check for correctness.
  43 # 4. Repeat steps 2 and 3 lots of times
  44 #
  45
  46 verify_runnable "global"
  47
  48 function cleanup
  49 {
  50         [[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/*
  51 }
  52
  53 log_assert "Ensure random blocks are read back correctly"
  54
  55 options=""
  56 options_display="default options"
  57
  58 log_onexit cleanup
  59
  60 [[ -n "$HOLES_FILESIZE" ]] && options=" $options -f $HOLES_FILESIZE "
  61
  62 [[ -n "$HOLES_BLKSIZE" ]] && options="$options -b $HOLES_BLKSIZE "
  63
  64 [[ -n "$HOLES_COUNT" ]] && options="$options -c $HOLES_COUNT "
  65
  66 [[ -n "$HOLES_SEED" ]] && options="$options -s $HOLES_SEED "
  67
  68 [[ -n "$HOLES_FILEOFFSET" ]] && options="$options -o $HOLES_FILEOFFSET "
  69
  70 options="$options -r "
  71
  72 [[ -n "$options" ]] && options_display=$options
  73
  74 log_note "Invoking file_trunc with: $options_display"
  75 log_must file_trunc $options $TESTDIR/$TESTFILE
  76
  77 typeset dir=$(get_device_dir $DISKS)
  78 verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
  79
  80 log_pass "Random blocks have been read back correctly."