1 #! /usr/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 2008 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27 
  28 #
  29 # Copyright (c) 2013 by Delphix. All rights reserved.
  30 #
  31 
  32 . $STF_SUITE/include/libtest.shlib
  33 
  34 #
  35 # DESCRIPTION:
  36 # Verify that ZFS volume snapshot could be fscked
  37 #
  38 # STRATEGY:
  39 # 1. Create a ZFS volume
  40 # 2. Copy some files and create snapshot
  41 # 3. Verify fsck on the snapshot is OK
  42 #
  43 
  44 verify_runnable "global"
  45 
  46 function cleanup
  47 {
  48         snapexists $TESTPOOL/$TESTVOL@snap && \
  49                 $ZFS destroy $TESTPOOL/$TESTVOL@snap
  50 
  51         ismounted $TESTDIR ufs
  52         (( $? == 0 )) && log_must $UMOUNT $TESTDIR
  53 
  54         [[ -e $TESTDIR ]] && $RM -rf $TESTDIR
  55 }
  56 
  57 log_assert "Verify that ZFS volume snapshot could be fscked"
  58 log_onexit cleanup
  59 
  60 TESTVOL='testvol'
  61 BLOCKSZ=$(( 1024 * 1024 ))
  62 NUM_WRITES=40
  63 
  64 $ECHO "y" | $NEWFS -v /dev/zvol/rdsk/$TESTPOOL/$TESTVOL >/dev/null 2>&1
  65 (( $? != 0 )) && log_fail "Unable to newfs(1M) $TESTPOOL/$TESTVOL"
  66 
  67 log_must $MKDIR $TESTDIR
  68 log_must $MOUNT /dev/zvol/dsk/$TESTPOOL/$TESTVOL $TESTDIR
  69 
  70 typeset -i fn=0
  71 typeset -i retval=0
  72 
  73 while (( 1 )); do
  74         $FILE_WRITE -o create -f $TESTDIR/testfile$$.$fn \
  75             -b $BLOCKSZ -c $NUM_WRITES
  76         retval=$?
  77         if (( $retval != 0 )); then
  78                 break
  79         fi
  80 
  81         (( fn = fn + 1 ))
  82 done
  83 
  84 log_must $LOCKFS -f $TESTDIR
  85 log_must $ZFS snapshot $TESTPOOL/$TESTVOL@snap
  86 
  87 $FSCK -n /dev/zvol/rdsk/$TESTPOOL/$TESTVOL@snap >/dev/null 2>&1
  88 retval=$?
  89 (( $retval == 39 )) || log_fail "$FSCK exited with wrong value $retval "
  90 
  91 log_pass "Verify that ZFS volume snapshot could be fscked"