usr/src/test/zfs-tests/tests/functional/channel_program/synctask_core/tst.rollback_mult.ksh

   1 #!/bin/ksh -p
   2 #
   3 # This file and its contents are supplied under the terms of the
   4 # Common Development and Distribution License ("CDDL"), version 1.0.
   5 # You may only use this file in accordance with the terms of version
   6 # 1.0 of the CDDL.
   7 #
   8 # A full copy of the text of the CDDL should have accompanied this
   9 # source.  A copy of the CDDL is also available via the Internet at
  10 # http://www.illumos.org/license/CDDL.
  11 #
  12
  13 #
  14 # Copyright (c) 2016, 2017 by Delphix. All rights reserved.
  15 #
  16
  17 . $STF_SUITE/tests/functional/channel_program/channel_common.kshlib
  18
  19 verify_runnable "global"
  20 snap1=$TESTPOOL/$TESTFS@$TESTSNAP1
  21 snap2=$TESTPOOL/$TESTFS@$TESTSNAP2
  22 fs=$TESTPOOL/$TESTFS
  23 file=$TESTDIR/$TESTFILE0
  24
  25 function cleanup
  26 {
  27         datasetexists $snap1 && log_must zfs destroy $snap1 && \
  28             log_must rm $file
  29 }
  30
  31 log_onexit cleanup
  32
  33 log_must mkfile 128b $file
  34 create_snapshot $TESTPOOL/$TESTFS $TESTSNAP1
  35 log_must rm $file
  36 create_snapshot $TESTPOOL/$TESTFS $TESTSNAP2
  37
  38 log_must snapexists $snap1
  39 log_must snapexists $snap2
  40 log_must zfs unmount $fs
  41
  42 log_must_program $TESTPOOL - $fs $snap2 <<-EOF
  43         arg = ...
  44         fs = arg["argv"][1]
  45         snap = arg["argv"][2]
  46         err = zfs.sync.rollback(fs)
  47         if err == 0 then
  48                 err = zfs.sync.destroy(snap)
  49         end
  50         if err == 0 then
  51                 err = zfs.sync.rollback(fs)
  52         end
  53         msg = "rolling back " .. fs .. " err=" .. err
  54         return msg
  55 EOF
  56
  57 log_must zfs mount $fs
  58 log_must [ -f $file ]
  59 log_mustnot snapexists $snap2
  60
  61 log_pass "Rolling back snapshot with channel program works."