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
46verify_runnable "global"
47
48function cleanup
49{
50	[[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/*
51}
52
53log_assert "Ensure random blocks are read back correctly"
54
55options=""
56options_display="default options"
57
58log_onexit cleanup
59
60[[ -n "$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 $HOLES_FILEOFFSET "
69
70options="$options -r "
71
72[[ -n "$options" ]] && options_display=$options
73
74log_note "Invoking file_trunc with: $options_display"
75log_must file_trunc $options $TESTDIR/$TESTFILE
76
77typeset dir=$(get_device_dir $DISKS)
78verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
79
80log_pass "Random blocks have been read back correctly."
81