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 . ./common/preamble
  16 _begin_fstest auto quick send
  17
  18 tmp=`mktemp -d`
  19
  20 # Override the default cleanup function.
  21 _cleanup()
  22 {
  23     rm -fr $tmp
  24 }
  25
  26 # Import common functions.
  27 . ./common/filter
  28
  29 # real QA test starts here
  30 _supported_fs btrfs
  31 _require_scratch
  32 _require_fssum
  33
  34 _scratch_mkfs >/dev/null 2>&1
  35 _scratch_mount
  36
  37 mkdir -p $SCRATCH_MNT/a/b
  38 mkdir $SCRATCH_MNT/0
  39 mkdir $SCRATCH_MNT/1
  40 mkdir $SCRATCH_MNT/a/b/c
  41 mv $SCRATCH_MNT/0 $SCRATCH_MNT/a/b/c
  42 mv $SCRATCH_MNT/1 $SCRATCH_MNT/a/b/c
  43 echo 'ola mundo' > $SCRATCH_MNT/a/b/c/foo.txt
  44 mkdir $SCRATCH_MNT/a/b/c/x
  45 mkdir $SCRATCH_MNT/a/b/c/x2
  46 mkdir $SCRATCH_MNT/a/b/y
  47 mkdir $SCRATCH_MNT/a/b/z
  48 mkdir -p $SCRATCH_MNT/a/b/d1/d2/d3
  49 mkdir $SCRATCH_MNT/a/b/d4
  50
  51 # Filesystem looks like:
  52 #
  53 # .                        (ino 256)
  54 # |-- a/                   (ino 257)
  55 #     |-- b/               (ino 258)
  56 #         |-- c/           (ino 261)
  57 #         |   |-- foo.txt  (ino 262)
  58 #         |   |-- 0/       (ino 259)
  59 #         |   |-- 1/       (ino 260)
  60 #         |   |-- x/       (ino 263)
  61 #         |   |-- x2/      (ino 264)
  62 #         |
  63 #         |-- y/           (ino 265)
  64 #         |-- z/           (ino 266)
  65 #         |-- d1/          (ino 267)
  66 #         |   |-- d2/      (ino 268)
  67 #         |       |-- d3/  (ino 269)
  68 #         |
  69 #         |-- d4/          (ino 270)
  70
  71 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
  72
  73 rm -f $SCRATCH_MNT/a/b/c/foo.txt
  74 mv $SCRATCH_MNT/a/b/y $SCRATCH_MNT/a/b/YY
  75 mv $SCRATCH_MNT/a/b/z $SCRATCH_MNT/a
  76 mv $SCRATCH_MNT/a/b/c/x $SCRATCH_MNT/a/b/YY
  77 mv $SCRATCH_MNT/a/b/c/0 $SCRATCH_MNT/a/b/YY/00
  78 mv $SCRATCH_MNT/a/b/c/x2 $SCRATCH_MNT/a/z/X_2
  79 mv $SCRATCH_MNT/a/b/c/1 $SCRATCH_MNT/a/z/X_2
  80 rmdir $SCRATCH_MNT/a/b/c
  81 mv $SCRATCH_MNT/a/b/d4 $SCRATCH_MNT/a/d44
  82 mv $SCRATCH_MNT/a/b/d1/d2 $SCRATCH_MNT/a/d44
  83 rmdir $SCRATCH_MNT/a/b/d1
  84
  85 # Filesystem now looks like:
  86 #
  87 # .                        (ino 256)
  88 # |-- a/                   (ino 257)
  89 #     |-- b/               (ino 258)
  90 #     |   |-- YY/          (ino 265)
  91 #     |        |-- x/      (ino 263)
  92 #     |        |-- 00/     (ino 259)
  93 #     |
  94 #     |-- z/               (ino 266)
  95 #     |   |-- X_2/         (ino 264)
  96 #     |        |-- 1/      (ino 260)
  97 #     |
  98 #     |-- d44/             (ino 270)
  99 #          |-- d2/         (ino 268)
 100 #              |-- d3/     (ino 269)
 101
 102 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
 103
 104 run_check $FSSUM_PROG -A -f -w $tmp/1.fssum $SCRATCH_MNT/mysnap1
 105 run_check $FSSUM_PROG -A -f -w $tmp/2.fssum -x $SCRATCH_MNT/mysnap2/mysnap1 \
 106         $SCRATCH_MNT/mysnap2
 107
 108 _run_btrfs_util_prog send -f $tmp/1.snap $SCRATCH_MNT/mysnap1
 109 _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 -f $tmp/2.snap \
 110         $SCRATCH_MNT/mysnap2
 111
 112 _check_scratch_fs
 113
 114 _scratch_unmount
 115 _scratch_mkfs >/dev/null 2>&1
 116 _scratch_mount
 117
 118 _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT
 119 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1
 120
 121 _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT
 122 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2
 123
 124 status=0
 125 exit