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 $tmp.*
  24 }
  25
  26 # get standard environment, filters and checks
  27 . ./common/rc
  28 . ./common/filter
  29
  30 # real QA test starts here
  31 _supported_fs btrfs
  32 _require_test
  33 _require_scratch
  34 _require_fssum
  35
  36 send_files_dir=$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 touch $SCRATCH_MNT/f1
  46 touch $SCRATCH_MNT/f2
  47 touch $SCRATCH_MNT/f3
  48
  49 # Filesystem looks like:
  50 #
  51 # .                                                             (ino 256)
  52 # |
  53 # |--- f1                                                       (ino 257)
  54 # |--- f2                                                       (ino 258)
  55 # |--- f3                                                       (ino 259)
  56 #
  57 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  58         $SCRATCH_MNT/mysnap1 > /dev/null
  59
  60 $BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
  61         $SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
  62
  63 mv $SCRATCH_MNT/f3 $SCRATCH_MNT/f4
  64 ln $SCRATCH_MNT/f2 $SCRATCH_MNT/f5
  65 mv $SCRATCH_MNT/f2 $SCRATCH_MNT/f3
  66 mv $SCRATCH_MNT/f1 $SCRATCH_MNT/f2
  67
  68 # Filesystem now looks like:
  69 #
  70 # .                                                             (ino 256)
  71 # |
  72 # |--- f2                                                       (ino 257)
  73 # |--- f3                                                       (ino 258)
  74 # |--- f4                                                       (ino 259)
  75 # |--- f5                                                       (ino 258)
  76 #
  77
  78 $BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
  79                  $SCRATCH_MNT/mysnap2 > /dev/null
  80
  81 $BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
  82                  $SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
  83
  84 $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  85 $FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
  86         -x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
  87
  88 # Now recreate the filesystem by receiving both send streams and verify we get
  89 # the same content that the original filesystem had.
  90 _scratch_unmount
  91 _scratch_mkfs >>$seqres.full 2>&1
  92 _scratch_mount
  93
  94 $BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
  95 $BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
  96 $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
  97 $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
  98
  99 status=0
 100 exit