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 2007 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/zvol/zvol.cfg
34
35#
36# DESCRIPTION:
37# A zvol volume will return ENOSPC when the underlying pool runs out of
38# space.
39#
40# STRATEGY:
41# 1. Create a pool
42# 2. Create a zvol volume
43# 3. Create a ufs file system ontop of the zvol
44# 4. Mount the ufs file system
45# 5. Fill volume until ENOSPC is returned
46#
47
48verify_runnable "global"
49
50function cleanup
51{
52	rm -rf $TESTDIR/*
53}
54
55log_assert "A zvol volume will return ENOSPC when the underlying pool " \
56    "runs out of space."
57
58log_onexit cleanup
59
60typeset -i fn=0
61typeset -i retval=0
62
63BLOCKSZ=$(( 1024 * 1024 ))
64NUM_WRITES=40
65
66while (( 1 )); do
67        file_write -o create -f $TESTDIR/testfile$$.$fn \
68            -b $BLOCKSZ -c $NUM_WRITES
69        retval=$?
70        if (( $retval != 0 )); then
71                break
72        fi
73
74        (( fn = fn + 1 ))
75done
76
77(( $retval != $ENOSPC )) &&
78    log_fail "ENOSPC was not returned, $retval was received instead"
79
80log_pass "ENOSPC was returned as expected"
81