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
55 _require_local_device $SCRATCH_DEV
61 $FSSTRESS_PROG -n 50 -p 3 -d $target >/dev/null
65 # prepare some mountpoint dir
66 SRCHEAD=$TEST_DIR/$seq-src
67 DSTHEAD=$TEST_DIR/$seq-dst
68 rm -rf $SRCHEAD $DSTHEAD
69 mkdir $SRCHEAD $DSTHEAD 2>>$seqres.full
78 findmnt -n -o TARGET,SOURCE $SCRATCH_DEV | \
79 sed -e "s;$mpA;mpA;g" \
83 _filter_spaces | _filter_testdir_and_scratch | sort
91 _scratch_mkfs >$seqres.full 2>&1
93 _get_mount -t $FSTYP $SCRATCH_DEV $SRCHEAD
94 # make sure $SRCHEAD is private
95 $MOUNT_PROG --make-private $SRCHEAD
97 _get_mount -t $FSTYP $SCRATCH_DEV $DSTHEAD
98 # test start with a bind, then make-shared $DSTHEAD
99 _get_mount --bind $DSTHEAD $DSTHEAD
100 $MOUNT_PROG --make-"${type}" $DSTHEAD
101 mkdir $mpA $mpB $mpC $mpD
107 rm -rf $mpA $mpB $mpC $mpD
117 echo "move $source to $dest"
118 _get_mount -t $FSTYP $SCRATCH_DEV $mpA
119 mkdir -p $mpA/dir 2>/dev/null
120 $MOUNT_PROG --make-shared $mpA
121 # need a peer for slave later
122 _get_mount --bind $mpA $mpB
123 $MOUNT_PROG --make-"$source" $mpB
124 # maybe unbindable at here
125 _get_mount --move $mpB $mpC 2>/dev/null
126 if [ $? -ne 0 ]; then
132 # check mpC after move B to C
133 for m in $mpA $mpC; do
134 _get_mount -t $FSTYP $SCRATCH_DEV $m/dir
140 # mpC will be in different parent mount, test moving from different
141 # parent mount, and moving a mount residing under a shared mount is
143 _get_mount --move $mpC $mpD 2>/dev/null
144 if [ $? -ne 0 ]; then
149 for m in $mpA $mpD; do
150 _get_mount -t $FSTYP $SCRATCH_DEV $m/dir
162 move_run shared shared
163 move_run slave shared
164 move_run private shared
165 move_run unbindable shared
167 move_run shared slave
169 move_run private slave
170 move_run unbindable slave
172 move_run shared private
173 move_run slave private
174 move_run private private
175 move_run unbindable private