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#!/bin/bash
# Copyright (C) 2012 Karel Zak <kzak@redhat.com>
TS_TOPDIR="${0%/*}/../.."
TS_DESC="umount-recursive"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_MOUNT"
ts_check_test_command "$TS_CMD_UMOUNT"
ts_check_test_command "$TS_CMD_FDISK"
ts_skip_nonroot
$TS_CMD_UMOUNT --help | grep -q recursive
[ $? -eq 1 ] && ts_skip "recursive unsupported"
ts_log "Init device"
DEVICE=$(ts_scsi_debug_init dev_size_mb=50)
ts_log "Create partitions"
$TS_CMD_FDISK ${DEVICE} &> /dev/null <<EOF
n
p
1
+10M
n
p
2
+10M
n
p
3
+10M
n
p
+10M
w
q
EOF
udevadm settle
ts_log "Create filesystem A"
mkfs.ext2 ${DEVICE}1 &> /dev/null
ts_log "Create filesystem B"
mkfs.ext2 ${DEVICE}2 &> /dev/null
ts_log "Create filesystem C"
mkfs.ext2 ${DEVICE}3 &> /dev/null
ts_log "Create filesystem D"
mkfs.ext2 ${DEVICE}4 &> /dev/null
udevadm settle
ts_log "Do tests..."
[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
ts_log "A) Mount root"
$TS_CMD_MOUNT ${DEVICE}1 $TS_MOUNTPOINT >> $TS_OUTPUT 2>&1
$TS_CMD_MOUNT --make-shared $TS_MOUNTPOINT
ts_log "B) Mount child"
mkdir -p $TS_MOUNTPOINT/mntB
$TS_CMD_MOUNT ${DEVICE}2 $TS_MOUNTPOINT/mntB >> $TS_OUTPUT 2>&1
ts_log "B2) Mount child-bind"
mkdir -p $TS_MOUNTPOINT/bindB
$TS_CMD_MOUNT --bind $TS_MOUNTPOINT/mntB $TS_MOUNTPOINT/bindB >> $TS_OUTPUT 2>&1
ts_log "C) Mount child/child"
mkdir -p $TS_MOUNTPOINT/mntB/mnt{C,D}
$TS_CMD_MOUNT ${DEVICE}3 $TS_MOUNTPOINT/mntB/mntC >> $TS_OUTPUT 2>&1
ts_log "D) Mount child/child"
$TS_CMD_MOUNT ${DEVICE}4 $TS_MOUNTPOINT/mntB/mntD >> $TS_OUTPUT 2>&1
ts_log "E) Mount child-bind"
mkdir -p $TS_MOUNTPOINT/bindC
$TS_CMD_MOUNT --bind $TS_MOUNTPOINT/mntB/mntC $TS_MOUNTPOINT/bindC
$TS_CMD_UMOUNT --recursive $TS_MOUNTPOINT >> $TS_OUTPUT 2>&1
[ $? == 0 ] || ts_die "umount failed"
udevadm settle
rmmod scsi_debug >> $TS_OUTPUT 2>&1
[ $? == 0 ] || ts_die "device busy (umount failed?)"
ts_log "Success"
ts_finalize
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