tests/btrfs/144

   1 #! /bin/bash
   2 # FS QA Test No. btrfs/144
   3 #
   4 # Test that an incremental send operation works correctly when an inode A is
   5 # renamed, a new hard link added to it and some other inode B is renamed to
   6 # the old name of inode A.
   7 #
   8 #-----------------------------------------------------------------------
   9 #
  10 # Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
  11 # Author: Filipe Manana <fdmanana@suse.com>
  12 #
  13 # This program is free software; you can redistribute it and/or
  14 # modify it under the terms of the GNU General Public License as
  15 # published by the Free Software Foundation.
  16 #
  17 # This program is distributed in the hope that it would be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with this program; if not, write the Free Software Foundation,
  24 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  25 #-----------------------------------------------------------------------
  26 #
  27
  28 seq=`basename $0`
  29 seqres=$RESULT_DIR/$seq
  30 echo "QA output created by $seq"
  31
  32 tmp=/tmp/$$
  33 status=1        # failure is the default!
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 _cleanup()
  37 {
  38         cd /
  39         rm -fr $send_files_dir
  40         rm -f $tmp.*
  41 }
  42
  43 # get standard environment, filters and checks
  44 . ./common/rc
  45 . ./common/filter
  46
  47 # real QA test starts here
  48 _supported_fs btrfs
  49 _supported_os Linux
  50 _require_test
  51 _require_scratch
  52 _require_fssum
  53
  54 send_files_dir=$TEST_DIR/btrfs-test-$seq
  55
  56 rm -f $seqres.full
  57 rm -fr $send_files_dir
  58 mkdir $send_files_dir
  59
  60 _scratch_mkfs >>$seqres.full 2>&1
  61 _scratch_mount
  62
  63 touch $SCRATCH_MNT/f1
  64 touch $SCRATCH_MNT/f2
  65 touch $SCRATCH_MNT/f3
  66
  67 # Filesystem looks like:
  68 #
  69 # .                                                             (ino 256)
  70 # |
  71 # |--- f1                                                       (ino 257)
  72 # |--- f2                                                       (ino 258)
  73 # |--- f3                                                       (ino 259)
  74 #
  75 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  76         $SCRATCH_MNT/mysnap1 > /dev/null
  77
  78 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  79         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  80
  81 mv $SCRATCH_MNT/f3 $SCRATCH_MNT/f4
  82 ln $SCRATCH_MNT/f2 $SCRATCH_MNT/f5
  83 mv $SCRATCH_MNT/f2 $SCRATCH_MNT/f3
  84 mv $SCRATCH_MNT/f1 $SCRATCH_MNT/f2
  85
  86 # Filesystem now looks like:
  87 #
  88 # .                                                             (ino 256)
  89 # |
  90 # |--- f2                                                       (ino 257)
  91 # |--- f3                                                       (ino 258)
  92 # |--- f4                                                       (ino 259)
  93 # |--- f5                                                       (ino 258)
  94 #
  95
  96 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  97                  $SCRATCH_MNT/mysnap2 > /dev/null
  98
  99 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
 100                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
 101
 102 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 103 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
 104         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
 105
 106 # Now recreate the filesystem by receiving both send streams and verify we get
 107 # the same content that the original filesystem had.
 108 _scratch_unmount
 109 _scratch_mkfs >>$seqres.full 2>&1
 110 _scratch_mount
 111
 112 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
 113 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
 114 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 115 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
 116
 117 status=0
 118 exit