tests/btrfs/043

   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/043
   6 #
   7 # Regression test for btrfs incremental send issue where a rmdir instruction
   8 # is sent against an orphan directory inode which is not empty yet, causing
   9 # btrfs receive to fail when it attempts to remove the directory.
  10 #
  11 # This issue is fixed by the following linux kernel btrfs patch:
  12 #
  13 #   Btrfs: fix send attempting to rmdir non-empty directories
  14 #
  15 seq=`basename $0`
  16 seqres=$RESULT_DIR/$seq
  17 echo "QA output created by $seq"
  18
  19 tmp=`mktemp -d`
  20 status=1        # failure is the default!
  21 trap "_cleanup; exit \$status" 0 1 2 3 15
  22
  23 _cleanup()
  24 {
  25     rm -fr $tmp
  26 }
  27
  28 # get standard environment, filters and checks
  29 . ./common/rc
  30 . ./common/filter
  31
  32 # real QA test starts here
  33 _supported_fs btrfs
  34 _supported_os Linux
  35 _require_scratch
  36 _require_fssum
  37
  38 rm -f $seqres.full
  39
  40 _scratch_mkfs >/dev/null 2>&1
  41 _scratch_mount
  42
  43 mkdir -p $SCRATCH_MNT/a/b
  44 mkdir $SCRATCH_MNT/0
  45 mkdir $SCRATCH_MNT/1
  46 mkdir $SCRATCH_MNT/a/b/c
  47 mv $SCRATCH_MNT/0 $SCRATCH_MNT/a/b/c
  48 mv $SCRATCH_MNT/1 $SCRATCH_MNT/a/b/c
  49 echo 'ola mundo' > $SCRATCH_MNT/a/b/c/foo.txt
  50 mkdir $SCRATCH_MNT/a/b/c/x
  51 mkdir $SCRATCH_MNT/a/b/c/x2
  52 mkdir $SCRATCH_MNT/a/b/y
  53 mkdir $SCRATCH_MNT/a/b/z
  54 mkdir -p $SCRATCH_MNT/a/b/d1/d2/d3
  55 mkdir $SCRATCH_MNT/a/b/d4
  56
  57 # Filesystem looks like:
  58 #
  59 # .                        (ino 256)
  60 # |-- a/                   (ino 257)
  61 #     |-- b/               (ino 258)
  62 #         |-- c/           (ino 261)
  63 #         |   |-- foo.txt  (ino 262)
  64 #         |   |-- 0/       (ino 259)
  65 #         |   |-- 1/       (ino 260)
  66 #         |   |-- x/       (ino 263)
  67 #         |   |-- x2/      (ino 264)
  68 #         |
  69 #         |-- y/           (ino 265)
  70 #         |-- z/           (ino 266)
  71 #         |-- d1/          (ino 267)
  72 #         |   |-- d2/      (ino 268)
  73 #         |       |-- d3/  (ino 269)
  74 #         |
  75 #         |-- d4/          (ino 270)
  76
  77 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
  78
  79 rm -f $SCRATCH_MNT/a/b/c/foo.txt
  80 mv $SCRATCH_MNT/a/b/y $SCRATCH_MNT/a/b/YY
  81 mv $SCRATCH_MNT/a/b/z $SCRATCH_MNT/a
  82 mv $SCRATCH_MNT/a/b/c/x $SCRATCH_MNT/a/b/YY
  83 mv $SCRATCH_MNT/a/b/c/0 $SCRATCH_MNT/a/b/YY/00
  84 mv $SCRATCH_MNT/a/b/c/x2 $SCRATCH_MNT/a/z/X_2
  85 mv $SCRATCH_MNT/a/b/c/1 $SCRATCH_MNT/a/z/X_2
  86 rmdir $SCRATCH_MNT/a/b/c
  87 mv $SCRATCH_MNT/a/b/d4 $SCRATCH_MNT/a/d44
  88 mv $SCRATCH_MNT/a/b/d1/d2 $SCRATCH_MNT/a/d44
  89 rmdir $SCRATCH_MNT/a/b/d1
  90
  91 # Filesystem now looks like:
  92 #
  93 # .                        (ino 256)
  94 # |-- a/                   (ino 257)
  95 #     |-- b/               (ino 258)
  96 #     |   |-- YY/          (ino 265)
  97 #     |        |-- x/      (ino 263)
  98 #     |        |-- 00/     (ino 259)
  99 #     |
 100 #     |-- z/               (ino 266)
 101 #     |   |-- X_2/         (ino 264)
 102 #     |        |-- 1/      (ino 260)
 103 #     |
 104 #     |-- d44/             (ino 270)
 105 #          |-- d2/         (ino 268)
 106 #              |-- d3/     (ino 269)
 107
 108 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
 109
 110 run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
 111 run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
 112         $SCRATCH_MNT/mysnap2
 113
 114 _run_btrfs_util_prog send -f $tmp/1.snap $SCRATCH_MNT/mysnap1
 115 _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 -f $tmp/2.snap \
 116         $SCRATCH_MNT/mysnap2
 117
 118 _check_scratch_fs
 119
 120 _scratch_unmount
 121 _scratch_mkfs >/dev/null 2>&1
 122 _scratch_mount
 123
 124 _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT
 125 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1
 126
 127 _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT
 128 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2
 129
 130 status=0
 131 exit