tests/btrfs/043

   1 #! /bin/bash
   2 # FS QA Test No. btrfs/043
   3 #
   4 # Regression test for btrfs incremental send issue where a rmdir instruction
   5 # is sent against an orphan directory inode which is not empty yet, causing
   6 # btrfs receive to fail when it attempts to remove the directory.
   7 #
   8 # This issue is fixed by the following linux kernel btrfs patch:
   9 #
  10 #   Btrfs: fix send attempting to rmdir non-empty directories
  11 #
  12 #-----------------------------------------------------------------------
  13 # Copyright (c) 2014 Filipe Manana.  All Rights Reserved.
  14 #
  15 # This program is free software; you can redistribute it and/or
  16 # modify it under the terms of the GNU General Public License as
  17 # published by the Free Software Foundation.
  18 #
  19 # This program is distributed in the hope that it would be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write the Free Software Foundation,
  26 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  27 #-----------------------------------------------------------------------
  28 #
  29
  30 seq=`basename $0`
  31 seqres=$RESULT_DIR/$seq
  32 echo "QA output created by $seq"
  33
  34 tmp=`mktemp -d`
  35 status=1        # failure is the default!
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 _cleanup()
  39 {
  40     rm -fr $tmp
  41 }
  42
  43 # get standard environment, filters and checks
  44 . ./common/rc
  45 . ./common/filter
  46
  47 # real QA test starts here
  48 _supported_fs btrfs
  49 _supported_os Linux
  50 _require_scratch
  51 _require_fssum
  52 _need_to_be_root
  53
  54 rm -f $seqres.full
  55
  56 _scratch_mkfs >/dev/null 2>&1
  57 _scratch_mount
  58
  59 mkdir -p $SCRATCH_MNT/a/b
  60 mkdir $SCRATCH_MNT/0
  61 mkdir $SCRATCH_MNT/1
  62 mkdir $SCRATCH_MNT/a/b/c
  63 mv $SCRATCH_MNT/0 $SCRATCH_MNT/a/b/c
  64 mv $SCRATCH_MNT/1 $SCRATCH_MNT/a/b/c
  65 echo 'ola mundo' > $SCRATCH_MNT/a/b/c/foo.txt
  66 mkdir $SCRATCH_MNT/a/b/c/x
  67 mkdir $SCRATCH_MNT/a/b/c/x2
  68 mkdir $SCRATCH_MNT/a/b/y
  69 mkdir $SCRATCH_MNT/a/b/z
  70 mkdir -p $SCRATCH_MNT/a/b/d1/d2/d3
  71 mkdir $SCRATCH_MNT/a/b/d4
  72
  73 # Filesystem looks like:
  74 #
  75 # .                        (ino 256)
  76 # |-- a/                   (ino 257)
  77 #     |-- b/               (ino 258)
  78 #         |-- c/           (ino 261)
  79 #         |   |-- foo.txt  (ino 262)
  80 #         |   |-- 0/       (ino 259)
  81 #         |   |-- 1/       (ino 260)
  82 #         |   |-- x/       (ino 263)
  83 #         |   |-- x2/      (ino 264)
  84 #         |
  85 #         |-- y/           (ino 265)
  86 #         |-- z/           (ino 266)
  87 #         |-- d1/          (ino 267)
  88 #         |   |-- d2/      (ino 268)
  89 #         |       |-- d3/  (ino 269)
  90 #         |
  91 #         |-- d4/          (ino 270)
  92
  93 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
  94
  95 rm -f $SCRATCH_MNT/a/b/c/foo.txt
  96 mv $SCRATCH_MNT/a/b/y $SCRATCH_MNT/a/b/YY
  97 mv $SCRATCH_MNT/a/b/z $SCRATCH_MNT/a
  98 mv $SCRATCH_MNT/a/b/c/x $SCRATCH_MNT/a/b/YY
  99 mv $SCRATCH_MNT/a/b/c/0 $SCRATCH_MNT/a/b/YY/00
 100 mv $SCRATCH_MNT/a/b/c/x2 $SCRATCH_MNT/a/z/X_2
 101 mv $SCRATCH_MNT/a/b/c/1 $SCRATCH_MNT/a/z/X_2
 102 rmdir $SCRATCH_MNT/a/b/c
 103 mv $SCRATCH_MNT/a/b/d4 $SCRATCH_MNT/a/d44
 104 mv $SCRATCH_MNT/a/b/d1/d2 $SCRATCH_MNT/a/d44
 105 rmdir $SCRATCH_MNT/a/b/d1
 106
 107 # Filesystem now looks like:
 108 #
 109 # .                        (ino 256)
 110 # |-- a/                   (ino 257)
 111 #     |-- b/               (ino 258)
 112 #     |   |-- YY/          (ino 265)
 113 #     |        |-- x/      (ino 263)
 114 #     |        |-- 00/     (ino 259)
 115 #     |
 116 #     |-- z/               (ino 266)
 117 #     |   |-- X_2/         (ino 264)
 118 #     |        |-- 1/      (ino 260)
 119 #     |
 120 #     |-- d44/             (ino 270)
 121 #          |-- d2/         (ino 268)
 122 #              |-- d3/     (ino 269)
 123
 124 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
 125
 126 run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
 127 run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
 128         $SCRATCH_MNT/mysnap2
 129
 130 _run_btrfs_util_prog send $SCRATCH_MNT/mysnap1 -f $tmp/1.snap
 131 _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \
 132         -f $tmp/2.snap
 133
 134 _check_scratch_fs
 135
 136 _scratch_unmount
 137 _scratch_mkfs >/dev/null 2>&1
 138 _scratch_mount
 139
 140 _run_btrfs_util_prog receive $SCRATCH_MNT -f $tmp/1.snap
 141 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1
 142
 143 _run_btrfs_util_prog receive $SCRATCH_MNT -f $tmp/2.snap
 144 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2
 145
 146 status=0
 147 exit