tests/btrfs/147

   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/147
   6 #
   7 # Test that an incremental send/receive operation works correctly after moving
   8 # some directory inode A, renaming a regular file inode B into the old name of
   9 # inode A and finally creating a new hard link for inode B at directory inode A.
  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 mkdir $SCRATCH_MNT/dir1/dir2/dir3
  48 mkdir $SCRATCH_MNT/dir5
  49 touch $SCRATCH_MNT/dir1/dir2/dir3/file1
  50 mkdir $SCRATCH_MNT/dir1/dir2/dir3/dir4
  51
  52 # Filesystem looks like:
  53 #
  54 # .                                                      (ino 256)
  55 # |
  56 # |--- dir1/                                             (ino 257)
  57 # |      |--- dir2/                                      (ino 258)
  58 # |             |--- dir3/                               (ino 259)
  59 # |                   |--- file1                         (ino 261)
  60 # |                   |--- dir4/                         (ino 262)
  61 # |
  62 # |--- dir5/                                             (ino 260)
  63 #
  64 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  65         $SCRATCH_MNT/mysnap1 > /dev/null
  66
  67 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  68         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  69
  70 mkdir $SCRATCH_MNT/dir1/dir6
  71 mv $SCRATCH_MNT/dir5 $SCRATCH_MNT/dir1/dir2/dir3/dir4/dir55
  72 ln $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4/file11
  73 mv $SCRATCH_MNT/dir1/dir2/dir3/dir4 $SCRATCH_MNT/dir1/dir6/dir44
  74 mv $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4
  75
  76 # Filesystem now looks like:
  77 #
  78 # .                                                      (ino 256)
  79 # |
  80 # |--- dir1/                                             (ino 257)
  81 #        |--- dir2/                                      (ino 258)
  82 #        |      |--- dir3/                               (ino 259)
  83 #        |            |--- dir4                          (ino 261)
  84 #        |
  85 #        |--- dir6/                                      (ino 263)
  86 #               |--- dir44/                              (ino 262)
  87 #                      |--- file11                       (ino 261)
  88 #                      |--- dir55/                       (ino 260)
  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