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#!/bin/bash
# make sure that 'missing' is accepted for device deletion
source $TOP/tests/common
check_prereq mkfs.btrfs
check_prereq btrfs
ndevs=4
declare -a devs
dev1=
devtodel=
setup_root_helper
prepare_devices()
{
for i in `seq $ndevs`; do
touch img$i
chmod a+rw img$i
truncate -s0 img$i
truncate -s2g img$i
devs[$i]=`run_check_stdout $SUDO_HELPER losetup --find --show img$i`
done
}
cleanup_devices()
{
for dev in ${devs[@]}; do
run_mayfail $SUDO_HELPER losetup -d $dev
done
for i in `seq $ndevs`; do
truncate -s0 img$i
done
run_check $SUDO_HELPER losetup --all
}
test_do_mkfs()
{
run_check $SUDO_HELPER $TOP/mkfs.btrfs -f $@ ${devs[@]}
run_check $SUDO_HELPER $TOP/btrfs inspect-internal dump-super $dev1
run_check $SUDO_HELPER $TOP/btrfs check $dev1
run_check $SUDO_HELPER $TOP/btrfs filesystem show
}
test_wipefs()
{
run_check $SUDO_HELPER wipefs -a $devtodel
run_check $SUDO_HELPER losetup -d $devtodel
run_check $SUDO_HELPER losetup --all
run_check $TOP/btrfs filesystem show
}
test_delete_missing()
{
run_check_mount_test_dev -o degraded
run_check $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs device delete missing $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT
run_check_umount_test_dev
run_check_mount_test_dev
local out
out="$(run_check_stdout $SUDO_HELPER $TOP/btrfs filesystem show $TEST_MNT)"
if echo "$out" | grep -q -- "$devtodel"; then
_fail "device $devtodel not deleted"
fi
if echo "$out" | grep -q missing; then
_fail "missing device still present"
fi
run_check_umount_test_dev
}
prepare_devices
dev1=${devs[1]}
devtodel=${devs[3]}
TEST_DEV=$dev1
test_do_mkfs
test_wipefs
test_delete_missing
cleanup_devices
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