2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2019 Red Hat Inc. All Rights Reserved.
7 # Test mount shared subtrees, verify the move semantics:
9 # ---------------------------------------------------------------------------
10 # | MOVE MOUNT OPERATION |
11 # |**************************************************************************
12 # |source(A)->| shared | private | slave | unbindable |
16 # |**************************************************************************
17 # | shared | shared | shared | shared & slave | invalid |
19 # |non-shared| shared | private | slave | unbindable |
20 # ***************************************************************************
21 # NOTE: moving a mount residing under a shared mount is invalid.
23 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 15
39 # make sure there's no bug cause dentry isn't be freed
43 # get standard environment, filters and checks
47 # remove previous $seqres.full before test
50 # real QA test starts here
54 _require_local_device $SCRATCH_DEV
60 $FSSTRESS_PROG -n 50 -p 3 -d $target >/dev/null
64 # prepare some mountpoint dir
65 SRCHEAD=$TEST_DIR/$seq-src
66 DSTHEAD=$TEST_DIR/$seq-dst
67 rm -rf $SRCHEAD $DSTHEAD
68 mkdir $SRCHEAD $DSTHEAD 2>>$seqres.full
77 findmnt -n -o TARGET,SOURCE $SCRATCH_DEV | \
78 sed -e "s;$mpA;mpA;g" \
82 _filter_spaces | _filter_testdir_and_scratch | sort
90 _scratch_mkfs >$seqres.full 2>&1
92 _get_mount -t $FSTYP $SCRATCH_DEV $SRCHEAD
93 # make sure $SRCHEAD is private
94 $MOUNT_PROG --make-private $SRCHEAD
96 _get_mount -t $FSTYP $SCRATCH_DEV $DSTHEAD
97 # test start with a bind, then make-shared $DSTHEAD
98 _get_mount --bind $DSTHEAD $DSTHEAD
99 $MOUNT_PROG --make-"${type}" $DSTHEAD
100 mkdir $mpA $mpB $mpC $mpD
106 rm -rf $mpA $mpB $mpC $mpD
116 echo "move $source to $dest"
117 _get_mount -t $FSTYP $SCRATCH_DEV $mpA
118 mkdir -p $mpA/dir 2>/dev/null
119 $MOUNT_PROG --make-shared $mpA
120 # need a peer for slave later
121 _get_mount --bind $mpA $mpB
122 $MOUNT_PROG --make-"$source" $mpB
123 # maybe unbindable at here
124 _get_mount --move $mpB $mpC 2>/dev/null
125 if [ $? -ne 0 ]; then
131 # check mpC after move B to C
132 for m in $mpA $mpC; do
133 _get_mount -t $FSTYP $SCRATCH_DEV $m/dir
139 # mpC will be in different parent mount, test moving from different
140 # parent mount, and moving a mount residing under a shared mount is
142 _get_mount --move $mpC $mpD 2>/dev/null
143 if [ $? -ne 0 ]; then
148 for m in $mpA $mpD; do
149 _get_mount -t $FSTYP $SCRATCH_DEV $m/dir
161 move_run shared shared
162 move_run slave shared
163 move_run private shared
164 move_run unbindable shared
166 move_run shared slave
168 move_run private slave
169 move_run unbindable slave
171 move_run shared private
172 move_run slave private
173 move_run private private
174 move_run unbindable private