btrfs-progs: tests: convert misc/011-delete-missing-device to loopdevs

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/tests/misc-tests/011-delete-missing-device/test.sh b/tests/misc-tests/011-delete-missing-device/test.sh
index 5b5f978..e817d90 100755 (executable)
--- a/tests/misc-tests/011-delete-missing-device/test.sh
+++ b/tests/misc-tests/011-delete-missing-device/test.sh
@@ -6,38 +6,11 @@ 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/mkfs.btrfs -f $@ ${loopdevs[@]}
        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
@@ -47,6 +20,7 @@ test_wipefs()
 {
        run_check $SUDO_HELPER wipefs -a $devtodel
        run_check $SUDO_HELPER losetup -d $devtodel
+       unset loopdevs[3]
        run_check $SUDO_HELPER losetup --all
        run_check $TOP/btrfs filesystem show
 }
@@ -70,13 +44,14 @@ test_delete_missing()
        run_check_umount_test_dev
 }
 
-prepare_devices
-dev1=${devs[1]}
-devtodel=${devs[3]}
+setup_loopdevs 4
+prepare_loopdevs
+dev1=${loopdevs[1]}
+devtodel=${loopdevs[3]}
 TEST_DEV=$dev1
 
 test_do_mkfs
 test_wipefs
 test_delete_missing
 
-cleanup_devices
+cleanup_loopdevs