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 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 34# 35# DESCRIPTION: 36# Verify file link count is zero on zfs 37# 38# STRATEGY: 39# 1. Make sure this test executes on multi-processes system 40# 2. Make zero size files and remove them in the background 41# 3. Call the binary 42# 4. Make sure the files can be removed successfully 43# 44 45verify_runnable "both" 46 47log_assert "Verify file link count is zero on zfs" 48 49export ITERS=10 50export NUMFILES=10000 51 52if is_freebsd; then 53 log_unsupported "Not applicable on FreeBSD" 54fi 55 56# Detect and make sure this test must be executed on a multi-process system 57if ! is_mp; then 58 log_unsupported "This test requires a multi-processor system." 59fi 60 61log_must mkdir -p ${TESTDIR}/tmp 62 63typeset -i i=0 64while [ $i -lt $NUMFILES ]; do 65 (( i = i + 1 )) 66 touch ${TESTDIR}/tmp/x$i > /dev/null 2>&1 67done 68 69sleep 3 70 71rm -f ${TESTDIR}/tmp/x* >/dev/null 2>&1 72 73rm_lnkcnt_zero_file ${TESTDIR}/tmp/test$$ > /dev/null 2>&1 & 74PID=$! 75log_note "rm_lnkcnt_zero_file ${TESTDIR}/tmp/test$$ pid: $PID" 76 77i=0 78while [ $i -lt $ITERS ]; do 79 if ! pgrep rm_lnkcnt_zero_file > /dev/null ; then 80 log_note "rm_lnkcnt_zero_file completes" 81 break 82 fi 83 log_must sleep 10 84 (( i = i + 1 )) 85done 86 87if pgrep rm_lnkcnt_zero_file > /dev/null; then 88 log_must kill -TERM $PID 89 log_fail "file link count is zero" 90fi 91 92log_must kill -TERM $PID 93log_must rm -f ${TESTDIR}/tmp/test$$* 94 95log_pass "Verify file link count is zero on zfs" 96