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 https://opensource.org/licenses/CDDL-1.0.
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]
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20# CDDL HEADER END
21#
22
23#
24# Copyright (c) 2020 by Lawrence Livermore National Security, LLC.
25#
26
27. $STF_SUITE/include/libtest.shlib
28
29#
30# DESCRIPTION:
31# Test fallocate(2) preallocation.
32#
33# STRATEGY:
34# 1. Verify mode 0 fallocate is supported.
35# 2. Verify default 10% reserve space is honored by setting a quota.
36#
37
38verify_runnable "global"
39
40FILE=$TESTDIR/$TESTFILE0
41
42function cleanup
43{
44	log_must zfs set quota=none $TESTPOOL
45
46	[[ -e $TESTDIR ]] && log_must rm -Rf $TESTDIR/*
47}
48
49log_assert "Ensure sparse files can be preallocated"
50
51log_onexit cleanup
52
53# Pre-allocate a sparse 1GB file.
54log_must fallocate -l $((1024 * 1024 * 1024)) $FILE
55log_must rm -Rf $TESTDIR/*
56
57# Verify that an additional ~10% reserve space is required.
58log_must zfs set quota=100M $TESTPOOL
59log_mustnot fallocate -l $((150 * 1024 * 1024)) $FILE
60log_mustnot fallocate -l $((110 * 1024 * 1024)) $FILE
61log_must fallocate -l $((90 * 1024 * 1024)) $FILE
62
63log_pass "Ensure sparse files can be preallocated"
64