2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2014 Filipe Manana. All Rights Reserved.
5 # FS QA Test No. btrfs/043
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.
11 # This issue is fixed by the following linux kernel btrfs patch:
13 # Btrfs: fix send attempting to rmdir non-empty directories
16 seqres=$RESULT_DIR/$seq
17 echo "QA output created by $seq"
20 status=1 # failure is the default!
21 trap "_cleanup; exit \$status" 0 1 2 3 15
28 # get standard environment, filters and checks
32 # real QA test starts here
40 _scratch_mkfs >/dev/null 2>&1
43 mkdir -p $SCRATCH_MNT/a/b
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
57 # Filesystem looks like:
63 # | |-- foo.txt (ino 262)
77 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
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
91 # Filesystem now looks like:
101 # | |-- X_2/ (ino 264)
108 _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
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 \
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 \
121 _scratch_mkfs >/dev/null 2>&1
124 _run_btrfs_util_prog receive -f $tmp/1.snap $SCRATCH_MNT
125 run_check $FSSUM_PROG -r $tmp/1.fssum $SCRATCH_MNT/mysnap1
127 _run_btrfs_util_prog receive -f $tmp/2.snap $SCRATCH_MNT
128 run_check $FSSUM_PROG -r $tmp/2.fssum $SCRATCH_MNT/mysnap2