tests/btrfs/044

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2014 Filipe Manana.  All Rights Reserved.
   4 #
   5 # FS QA Test No. btrfs/044
   6 #
   7 # Regression test for a btrfs incremental send issue where under certain
   8 # scenarios invalid paths for utimes, chown and chmod operations were sent
   9 # to the send stream, causing btrfs receive to fail.
  10 #
  11 # If a directory had a move/rename operation delayed, and none of its parent
  12 # directories, except for the immediate one, had delayed move/rename operations,
  13 # after processing the directory's references, the incremental send code would
  14 # issue invalid paths for utimes, chown and chmod operations.
  15 #
  16 # This issue is fixed by the following linux kernel btrfs patch:
  17 #
  18 #   Btrfs: fix send issuing outdated paths for utimes, chown and chmod
  19 #
  20 seq=`basename $0`
  21 seqres=$RESULT_DIR/$seq
  22 echo "QA output created by $seq"
  23
  24 tmp=`mktemp -d`
  25 status=1        # failure is the default!
  26 trap "_cleanup; exit \$status" 0 1 2 3 15
  27
  28 _cleanup()
  29 {
  30     rm -fr $tmp
  31 }
  32
  33 # get standard environment, filters and checks
  34 . ./common/rc
  35 . ./common/filter
  36
  37 # real QA test starts here
  38 _supported_fs btrfs
  39 _require_scratch
  40 _require_fssum
  41
  42 rm -f $seqres.full
  43
  44 _scratch_mkfs >/dev/null 2>&1
  45 _scratch_mount
  46
  47 umask 0
  48 mkdir -p $SCRATCH_MNT/a/b/c/d/e
  49 mkdir $SCRATCH_MNT/a/b/c/f
  50 echo 'ola ' > $SCRATCH_MNT/a/b/c/d/e/file.txt
  51 chmod 0777 $SCRATCH_MNT/a/b/c/d/e
  52
  53 # Filesystem looks like:
  54 #
  55 # .                                   (ino 256)
  56 # |-- a/                              (ino 257)
  57 #     |-- b/                          (ino 258)
  58 #         |-- c/                      (ino 259)
  59 #             |-- d/                  (ino 260)
  60 #             |   |-- e/              (ino 261)
  61 #             |       |-- file.txt    (ino 262)
  62 #             |
  63 #             |-- f/                  (ino 263)
  64
  65 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
  66
  67 echo 'mundo' >> $SCRATCH_MNT/a/b/c/d/e/file.txt
  68 mv $SCRATCH_MNT/a/b/c/d/e/file.txt $SCRATCH_MNT/a/b/c/d/e/file2.txt
  69 mv $SCRATCH_MNT/a/b/c/f $SCRATCH_MNT/a/b/f2
  70 mv $SCRATCH_MNT/a/b/c/d/e $SCRATCH_MNT/a/b/f2/e2
  71 mv $SCRATCH_MNT/a/b/c $SCRATCH_MNT/a/b/c2
  72 mv $SCRATCH_MNT/a/b/c2/d $SCRATCH_MNT/a/b/c2/d2
  73 chmod 0700 $SCRATCH_MNT/a/b/f2/e2
  74
  75 # Filesystem now looks like:
  76 #
  77 # .                              (ino 256)
  78 # |-- a/                         (ino 257)
  79 #     |-- b/                     (ino 258)
  80 #         |-- c2/                (ino 259)
  81 #         |   |-- d2/            (ino 260)
  82 #         |
  83 #         |-- f2/                (ino 263)
  84 #             |-- e2             (ino 261)
  85 #                 |-- file2.txt  (ino 263)
  86
  87 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
  88
  89 run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
  90 run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
  91         $SCRATCH_MNT/mysnap2
  92
  93 _run_btrfs_util_prog send -f $tmp/1.snap $SCRATCH_MNT/mysnap1
  94 _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 -f $tmp/2.snap \
  95         $SCRATCH_MNT/mysnap2
  96
  97 _check_scratch_fs
  98
  99 _scratch_unmount
 100 _scratch_mkfs >/dev/null 2>&1
 101 _scratch_mount
 102
 103 _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT
 104 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1
 105
 106 _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT
 107 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2
 108
 109 status=0
 110 exit