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 $tmp.*
  24 }
  25
  26 # get standard environment, filters and checks
  27 . ./common/rc
  28 . ./common/filter
  29
  30 # real QA test starts here
  31 _supported_fs btrfs
  32 _supported_os Linux
  33 _require_test
  34 _require_scratch
  35 _require_fssum
  36
  37 send_files_dir=$TEST_DIR/btrfs-test-$seq
  38
  39 rm -f $seqres.full
  40 rm -fr $send_files_dir
  41 mkdir $send_files_dir
  42
  43 _scratch_mkfs >>$seqres.full 2>&1
  44 _scratch_mount
  45
  46 mkdir $SCRATCH_MNT/dir1
  47 mkdir $SCRATCH_MNT/dir1/dir2
  48 mkdir $SCRATCH_MNT/dir1/dir2/dir3
  49 mkdir $SCRATCH_MNT/dir5
  50 touch $SCRATCH_MNT/dir1/dir2/dir3/file1
  51 mkdir $SCRATCH_MNT/dir1/dir2/dir3/dir4
  52
  53 # Filesystem looks like:
  54 #
  55 # .                                                      (ino 256)
  56 # |
  57 # |--- dir1/                                             (ino 257)
  58 # |      |--- dir2/                                      (ino 258)
  59 # |             |--- dir3/                               (ino 259)
  60 # |                   |--- file1                         (ino 261)
  61 # |                   |--- dir4/                         (ino 262)
  62 # |
  63 # |--- dir5/                                             (ino 260)
  64 #
  65 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  66         $SCRATCH_MNT/mysnap1 > /dev/null
  67
  68 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  69         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  70
  71 mkdir $SCRATCH_MNT/dir1/dir6
  72 mv $SCRATCH_MNT/dir5 $SCRATCH_MNT/dir1/dir2/dir3/dir4/dir55
  73 ln $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4/file11
  74 mv $SCRATCH_MNT/dir1/dir2/dir3/dir4 $SCRATCH_MNT/dir1/dir6/dir44
  75 mv $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4
  76
  77 # Filesystem now looks like:
  78 #
  79 # .                                                      (ino 256)
  80 # |
  81 # |--- dir1/                                             (ino 257)
  82 #        |--- dir2/                                      (ino 258)
  83 #        |      |--- dir3/                               (ino 259)
  84 #        |            |--- dir4                          (ino 261)
  85 #        |
  86 #        |--- dir6/                                      (ino 263)
  87 #               |--- dir44/                              (ino 262)
  88 #                      |--- file11                       (ino 261)
  89 #                      |--- dir55/                       (ino 260)
  90 #
  91 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  92                  $SCRATCH_MNT/mysnap2 > /dev/null
  93
  94 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
  95                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
  96
  97 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  98 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
  99         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
 100
 101 # Now recreate the filesystem by receiving both send streams and verify we get
 102 # the same content that the original filesystem had.
 103 _scratch_unmount
 104 _scratch_mkfs >>$seqres.full 2>&1
 105 _scratch_mount
 106
 107 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
 108 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
 109 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
 110 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
 111
 112 status=0
 113 exit