1#!/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/reservation/reservation.shlib
34
35#
36# DESCRIPTION:
37#
38# A reservation cannot exceed the quota on a dataset
39#
40# STRATEGY:
41# 1) Create a filesystem and volume
42# 2) Set a quota on the filesystem
43# 3) Attempt to set a reservation larger than the quota. Verify
44# that the attempt fails.
45# 4) Repeat 2-3 for volume
46#
47
48verify_runnable "both"
49
50log_assert "Verify cannot set reservation larger than quota"
51
52function cleanup
53{
54	#
55	# Note we don't destroy $TESTFS as it's used by other tests
56	for obj in $OBJ_LIST ; do
57		datasetexists $obj && destroy_dataset $obj -f
58	done
59
60	log_must zero_reservation $TESTPOOL/$TESTFS
61}
62log_onexit cleanup
63
64space_avail=`get_prop available $TESTPOOL`
65
66if ! is_global_zone ; then
67	OBJ_LIST=""
68else
69	OBJ_LIST="$TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2"
70
71        ((vol_set_size = space_avail / 4))
72	vol_set_size=$(floor_volsize $vol_set_size)
73	((sparse_vol_set_size = space_avail * 4))
74	sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size)
75
76	log_must zfs create -V $vol_set_size $TESTPOOL/$TESTVOL
77	log_must zfs create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2
78fi
79
80for obj in $TESTPOOL/$TESTFS $OBJ_LIST ; do
81
82	space_avail=`get_prop available $obj`
83	((quota_set_size = space_avail / 3))
84
85	#
86	# Volumes do not support quota so only need to explicitly
87	# set quotas for filesystems.
88	#
89	# The maximum reservation value that can be set on a volume
90	# is determined by the quota set on its parent filesystems or
91	# the amount of space in the pool, whichever is smaller.
92	#
93	if [[ $obj == $TESTPOOL/$TESTFS ]]; then
94		log_must zfs set quota=$quota_set_size $obj
95		((resv_set_size = quota_set_size + RESV_SIZE))
96	elif [[ $obj == $TESTPOOL/$TESTVOL || $obj == $TESTPOOL/$TESTVOL2 ]]
97	then
98		resv_set_size=`expr $space_avail + $RESV_DELTA`
99	fi
100
101	orig_quota=`get_prop quota $obj`
102
103	log_mustnot zfs set reservation=$resv_set_size $obj
104	new_quota=`get_prop quota $obj`
105
106	if [[ $orig_quota != $new_quota ]]; then
107		log_fail "Quota value changed from $orig_quota " \
108				"to $new_quota"
109	fi
110
111	if [[ $obj == $TESTPOOL/$TESTFS ]]; then
112		log_must zfs set quota=none $obj
113	fi
114done
115
116log_pass "As expected cannot set reservation larger than quota"
117