tests/btrfs/145

   1 #! /bin/bash
   2 # FS QA Test No. btrfs/145
   3 #
   4 # Test that an incremental send works if we rename some directory inode A and
   5 # then rename some file inode B to the name inode A had, for the case where the
   6 # directory inode A is an ancestor of inode B in the parent snapshot.
   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 mkdir $SCRATCH_MNT/dir1
  64 mkdir $SCRATCH_MNT/dir1/dir2
  65 touch $SCRATCH_MNT/dir1/dir2/file1
  66 touch $SCRATCH_MNT/dir1/dir2/file2
  67 touch $SCRATCH_MNT/dir1/dir2/file3
  68 mkdir $SCRATCH_MNT/dir1/dir3
  69 mv $SCRATCH_MNT/dir1/dir2/file2 $SCRATCH_MNT/dir1/dir3/file22
  70 mkdir $SCRATCH_MNT/dir1/dir3/dir4
  71
  72 # Filesystem looks like:
  73 #
  74 # .                                                      (ino 256)
  75 # |
  76 # |--- dir1/                                             (ino 257)
  77 #       |--- dir2/                                       (ino 258)
  78 #       |     |--- file1                                 (ino 259)
  79 #       |     |--- file3                                 (ino 261)
  80 #       |
  81 #       |--- dir3/                                       (ino 262)
  82 #             |--- file22                                (ino 260)
  83 #             |--- dir4/                                 (ino 263)
  84 #
  85 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  86         $SCRATCH_MNT/mysnap1 > /dev/null
  87
  88 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  89         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  90
  91 mv $SCRATCH_MNT/dir1/dir2/file3 $SCRATCH_MNT/dir1/dir3/dir4/file33
  92 mv $SCRATCH_MNT/dir1/dir2/file1 $SCRATCH_MNT/dir1/dir3/dir4/file11
  93 mv $SCRATCH_MNT/dir1/dir3 $SCRATCH_MNT/dir1/file3
  94 mv $SCRATCH_MNT/dir1/file3/file22 $SCRATCH_MNT/dir1/dir3
  95
  96 # Filesystem now looks like:
  97 #
  98 # .                                                      (ino 256)
  99 # |
 100 # |--- dir1/                                             (ino 257)
 101 #       |--- dir2/                                       (ino 258)
 102 #       |--- dir3                                        (ino 260)
 103 #       |--- file3/                                      (ino 262)
 104 #             |--- dir4/                                 (ino 263)
 105 #                   |--- file11                          (ino 269)
 106 #                   |--- file33                          (ino 261)
 107 #
 108 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
 109                  $SCRATCH_MNT/mysnap2 > /dev/null
 110
 111 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
 112                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
 113
 114 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 115 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
 116         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
 117
 118 # Now recreate the filesystem by receiving both send streams and verify we get
 119 # the same content that the original filesystem had.
 120 _scratch_unmount
 121 _scratch_mkfs >>$seqres.full 2>&1
 122 _scratch_mount
 123
 124 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
 125 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
 126 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 127 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
 128
 129 status=0
 130 exit