#!/bin/ksh -p # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2007 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2013 by Delphix. All rights reserved. # . $STF_SUITE/include/libtest.shlib # # DESCRIPTION: # Verify file link count is zero on zfs # # STRATEGY: # 1. Make sure this test executes on multi-processes system # 2. Make zero size files and remove them in the background # 3. Call the binary # 4. Make sure the files can be removed successfully # verify_runnable "both" log_assert "Verify file link count is zero on zfs" export ITERS=10 export NUMFILES=10000 # Detect and make sure this test must be executed on a multi-process system is_mp || log_fail "This test requires a multi-processor system." log_must $MKDIR -p ${TESTDIR}/tmp typeset -i i=0 while [ $i -lt $NUMFILES ]; do (( i = i + 1 )) $TOUCH ${TESTDIR}/tmp/x$i > /dev/null 2>&1 done sleep 3 $RM -f ${TESTDIR}/tmp/x* >/dev/null 2>&1 $RM_LNKCNT_ZERO_FILE ${TESTDIR}/tmp/test$$ > /dev/null 2>&1 & PID=$! log_note "$RM_LNKCNT_ZERO_FILE ${TESTDIR}/tmp/test$$ pid: $PID" i=0 while [ $i -lt $ITERS ]; do if ! $PGREP $RM_LNKCNT_ZERO_FILE > /dev/null ; then log_note "$RM_LNKCNT_ZERO_FILE completes" break fi log_must $SLEEP 10 (( i = i + 1 )) done if $PGREP $RM_LNKCNT_ZERO_FILE > /dev/null; then log_must $KILL -TERM $PID log_fail "file link count is zero" fi log_must $KILL -TERM $PID log_must $RM -f ${TESTDIR}/tmp/test$$* log_pass "Verify file link count is zero on zfs"