tests/btrfs/145

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
   4 #
   5 # FS QA Test No. btrfs/145
   6 #
   7 # Test that an incremental send works if we rename some directory inode A and
   8 # then rename some file inode B to the name inode A had, for the case where the
   9 # directory inode A is an ancestor of inode B in the parent snapshot.
  10 #
  11 seq=`basename $0`
  12 seqres=$RESULT_DIR/$seq
  13 echo "QA output created by $seq"
  14
  15 tmp=/tmp/$$
  16 status=1        # failure is the default!
  17 trap "_cleanup; exit \$status" 0 1 2 3 15
  18
  19 _cleanup()
  20 {
  21         cd /
  22         rm -fr $send_files_dir
  23         rm -f $tmp.*
  24 }
  25
  26 # get standard environment, filters and checks
  27 . ./common/rc
  28 . ./common/filter
  29
  30 # real QA test starts here
  31 _supported_fs btrfs
  32 _require_test
  33 _require_scratch
  34 _require_fssum
  35
  36 send_files_dir=$TEST_DIR/btrfs-test-$seq
  37
  38 rm -f $seqres.full
  39 rm -fr $send_files_dir
  40 mkdir $send_files_dir
  41
  42 _scratch_mkfs >>$seqres.full 2>&1
  43 _scratch_mount
  44
  45 mkdir $SCRATCH_MNT/dir1
  46 mkdir $SCRATCH_MNT/dir1/dir2
  47 touch $SCRATCH_MNT/dir1/dir2/file1
  48 touch $SCRATCH_MNT/dir1/dir2/file2
  49 touch $SCRATCH_MNT/dir1/dir2/file3
  50 mkdir $SCRATCH_MNT/dir1/dir3
  51 mv $SCRATCH_MNT/dir1/dir2/file2 $SCRATCH_MNT/dir1/dir3/file22
  52 mkdir $SCRATCH_MNT/dir1/dir3/dir4
  53
  54 # Filesystem looks like:
  55 #
  56 # .                                                      (ino 256)
  57 # |
  58 # |--- dir1/                                             (ino 257)
  59 #       |--- dir2/                                       (ino 258)
  60 #       |     |--- file1                                 (ino 259)
  61 #       |     |--- file3                                 (ino 261)
  62 #       |
  63 #       |--- dir3/                                       (ino 262)
  64 #             |--- file22                                (ino 260)
  65 #             |--- dir4/                                 (ino 263)
  66 #
  67 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  68         $SCRATCH_MNT/mysnap1 > /dev/null
  69
  70 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  71         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  72
  73 mv $SCRATCH_MNT/dir1/dir2/file3 $SCRATCH_MNT/dir1/dir3/dir4/file33
  74 mv $SCRATCH_MNT/dir1/dir2/file1 $SCRATCH_MNT/dir1/dir3/dir4/file11
  75 mv $SCRATCH_MNT/dir1/dir3 $SCRATCH_MNT/dir1/file3
  76 mv $SCRATCH_MNT/dir1/file3/file22 $SCRATCH_MNT/dir1/dir3
  77
  78 # Filesystem now looks like:
  79 #
  80 # .                                                      (ino 256)
  81 # |
  82 # |--- dir1/                                             (ino 257)
  83 #       |--- dir2/                                       (ino 258)
  84 #       |--- dir3                                        (ino 260)
  85 #       |--- file3/                                      (ino 262)
  86 #             |--- dir4/                                 (ino 263)
  87 #                   |--- file11                          (ino 269)
  88 #                   |--- file33                          (ino 261)
  89 #
  90 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  91                  $SCRATCH_MNT/mysnap2 > /dev/null
  92
  93 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
  94                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
  95
  96 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  97 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
  98         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
  99
 100 # Now recreate the filesystem by receiving both send streams and verify we get
 101 # the same content that the original filesystem had.
 102 _scratch_unmount
 103 _scratch_mkfs >>$seqres.full 2>&1
 104 _scratch_mount
 105
 106 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
 107 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
 108 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 109 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
 110
 111 status=0
 112 exit