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] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright (c) 2021 by Lawrence Livermore National Security, LLC. 25# 26 27. $STF_SUITE/include/libtest.shlib 28. $STF_SUITE/tests/functional/mmap/mmap.cfg 29 30# 31# DESCRIPTION: 32# lseek() data/holes for an mmap()'d file. 33# 34# STRATEGY: 35# 1. Enable compression and hole reporting for dirty files. 36# 2. Call mmap_seek binary test case for various record sizes. 37# 38 39verify_runnable "global" 40 41function cleanup 42{ 43 log_must zfs set compression=off $TESTPOOL/$TESTFS 44 log_must zfs set recordsize=128k $TESTPOOL/$TESTFS 45 log_must rm -f $TESTDIR/test-mmap-file 46 log_must set_tunable64 DMU_OFFSET_NEXT_SYNC $dmu_offset_next_sync 47} 48 49log_assert "lseek() data/holes for an mmap()'d file." 50 51log_onexit cleanup 52 53# Enable hole reporting for dirty files. 54typeset dmu_offset_next_sync=$(get_tunable DMU_OFFSET_NEXT_SYNC) 55log_must set_tunable64 DMU_OFFSET_NEXT_SYNC 1 56 57# Compression must be enabled to convert zero'd blocks to holes. 58# This behavior is checked by the mmap_seek test. 59log_must zfs set compression=on $TESTPOOL/$TESTFS 60 61for bs in 4096 8192 16384 32768 65536 131072; do 62 log_must zfs set recordsize=$bs $TESTPOOL/$TESTFS 63 log_must mmap_seek $TESTDIR/test-mmap-file $((1024*1024)) $bs 64 log_must rm $TESTDIR/test-mmap-file 65done 66 67log_pass "lseek() data/holes for an mmap()'d file succeeded." 68