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 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 52# Detect and make sure this test must be executed on a multi-process system 53is_mp || log_fail "This test requires a multi-processor system." 54 55log_must mkdir -p ${TESTDIR}/tmp 56 57typeset -i i=0 58while [ $i -lt $NUMFILES ]; do 59 (( i = i + 1 )) 60 touch ${TESTDIR}/tmp/x$i > /dev/null 2>&1 61done 62 63sleep 3 64 65rm -f ${TESTDIR}/tmp/x* >/dev/null 2>&1 66 67rm_lnkcnt_zero_file ${TESTDIR}/tmp/test$$ > /dev/null 2>&1 & 68PID=$! 69log_note "rm_lnkcnt_zero_file ${TESTDIR}/tmp/test$$ pid: $PID" 70 71i=0 72while [ $i -lt $ITERS ]; do 73 if ! pgrep rm_lnkcnt_zero_file > /dev/null ; then 74 log_note "rm_lnkcnt_zero_file completes" 75 break 76 fi 77 log_must sleep 10 78 (( i = i + 1 )) 79done 80 81if pgrep rm_lnkcnt_zero_file > /dev/null; then 82 log_must kill -TERM $PID 83 log_fail "file link count is zero" 84fi 85 86log_must kill -TERM $PID 87log_must rm -f ${TESTDIR}/tmp/test$$* 88 89log_pass "Verify file link count is zero on zfs" 90