btrfs-progs: tests: convert misc/006-image-on-missing-device to loopdevs

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

diff --git a/tests/misc-tests/006-image-on-missing-device/test.sh b/tests/misc-tests/006-image-on-missing-device/test.sh
index 5b6fe06..2766fb1 100755 (executable)
--- a/tests/misc-tests/006-image-on-missing-device/test.sh
+++ b/tests/misc-tests/006-image-on-missing-device/test.sh
@@ -10,38 +10,8 @@ check_prereq btrfs-image
 check_prereq mkfs.btrfs
 check_prereq btrfs
 
-ndevs=2
-declare -a devs
-dev1=
-dev2=
-
 setup_root_helper
 
-
-# TODO: move the helpers to common
-
-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_image_dump()
 {
        run_check $SUDO_HELPER $TOP/btrfs check $dev1
@@ -65,13 +35,15 @@ test_run()
        # btrfs-image must not loop
        run_mayfail wipefs -a $dev2
        run_check $SUDO_HELPER losetup -d $dev2
+       unset loopdevs[2]
        run_check $SUDO_HELPER $TOP/btrfs filesystem show $dev1
 
        test_image_dump
 }
 
-prepare_devices
-dev1=${devs[1]}
-dev2=${devs[2]}
+setup_loopdevs 2
+prepare_loopdevs
+dev1=${loopdevs[1]}
+dev2=${loopdevs[2]}
 test_run
-cleanup_devices
+cleanup_loopdevs