tests/btrfs/144

   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/144
   6 #
   7 # Test that an incremental send operation works correctly when an inode A is
   8 # renamed, a new hard link added to it and some other inode B is renamed to
   9 # the old name of 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 touch $SCRATCH_MNT/f1
  47 touch $SCRATCH_MNT/f2
  48 touch $SCRATCH_MNT/f3
  49
  50 # Filesystem looks like:
  51 #
  52 # .                                                             (ino 256)
  53 # |
  54 # |--- f1                                                       (ino 257)
  55 # |--- f2                                                       (ino 258)
  56 # |--- f3                                                       (ino 259)
  57 #
  58 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  59         $SCRATCH_MNT/mysnap1 > /dev/null
  60
  61 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  62         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  63
  64 mv $SCRATCH_MNT/f3 $SCRATCH_MNT/f4
  65 ln $SCRATCH_MNT/f2 $SCRATCH_MNT/f5
  66 mv $SCRATCH_MNT/f2 $SCRATCH_MNT/f3
  67 mv $SCRATCH_MNT/f1 $SCRATCH_MNT/f2
  68
  69 # Filesystem now looks like:
  70 #
  71 # .                                                             (ino 256)
  72 # |
  73 # |--- f2                                                       (ino 257)
  74 # |--- f3                                                       (ino 258)
  75 # |--- f4                                                       (ino 259)
  76 # |--- f5                                                       (ino 258)
  77 #
  78
  79 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  80                  $SCRATCH_MNT/mysnap2 > /dev/null
  81
  82 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
  83                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
  84
  85 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  86 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
  87         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
  88
  89 # Now recreate the filesystem by receiving both send streams and verify we get
  90 # the same content that the original filesystem had.
  91 _scratch_unmount
  92 _scratch_mkfs >>$seqres.full 2>&1
  93 _scratch_mount
  94
  95 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
  96 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
  97 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  98 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
  99
 100 status=0
 101 exit