Introduce new helpers, prepare_loop_dev() and cleanup_loop_dev() to
prepare and cleanup loop device.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
tests/common | 38 ++++++++++++++++++++++
.../misc-tests/006-image-on-missing-device/test.sh | 12 ++-----
tests/misc-tests/011-delete-missing-device/test.sh | 12 ++-----
tests/mkfs-tests/001-basic-profiles/test.sh | 12 ++-----
.../005-long-device-name-for-ssd/test.sh | 10 ++----
tests/mkfs-tests/006-partitioned-loopdev/test.sh | 10 ++----
6 files changed, 53 insertions(+), 41 deletions(-)
diff --git a/tests/common b/tests/common
index 7ad436e3..3808cfc5 100644
--- a/tests/common
+++ b/tests/common
@@ -355,6 +355,44 @@ setup_root_helper()
SUDO_HELPER=root_helper
}
+# prepare loop device using specified size and path
+# $1: path of the file
+# $2: size of the device, optional, default value is '2G'
+prepare_loop_dev()
+{
+ local path="$1"
+ local size="$2"
+
+ [[ "$path" ]] || _fail "path must be specified for prepare_loop_dev()"
+ [[ "$size" ]] || size='2G'
+
+ # Cleanup if it's already mounted or set up as loop device
+ cleanup_loop_dev $path
+
+ run_check touch $path
+ chmod a+rw $path
+ run_check truncate -s $size $path
+
+ run_check_stdout $SUDO_HELPER losetup --find --show $path
+}
+
+# cleanup loop device based on its backend file
+# $1: the path of the backend file
+#
+# We don't want to populate result in cleanup, so any error will only be
+# caught manually, don't call run_check here.
+cleanup_loop_dev()
+{
+ local path="$1"
+
+ loop_dev=$(losetup -l | tail -n +2 | grep $path | cut -f1 -d\ )
+ if [ ! -z "$loop_dev" ]; then
+ umount $loop_dev &> /dev/null
+ $SUDO_HELPER losetup -d $loop_dev || \
+ _fail "failed to detach $path"
+ fi
+}
+
prepare_test_dev()
{
# num[K/M/G/T...]
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 5b6fe065..8249c0e9 100755
--- a/tests/misc-tests/006-image-on-missing-device/test.sh
+++ b/tests/misc-tests/006-image-on-missing-device/test.sh
@@ -23,21 +23,15 @@ 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`
+ devs[$i]=$(prepare_loop_dev 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
+ cleanup_loop_dev img$i
+ rm img$i
done
run_check $SUDO_HELPER losetup --all
}
diff --git a/tests/misc-tests/011-delete-missing-device/test.sh b/tests/misc-tests/011-delete-missing-device/test.sh
index 5b5f9786..ad4b7d45 100755
--- a/tests/misc-tests/011-delete-missing-device/test.sh
+++ b/tests/misc-tests/011-delete-missing-device/test.sh
@@ -16,21 +16,15 @@ 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`
+ devs[$i]=$(prepare_loop_dev 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
+ cleanup_loop_dev img$i
+ rm img$i
done
run_check $SUDO_HELPER losetup --all
}
diff --git a/tests/mkfs-tests/001-basic-profiles/test.sh b/tests/mkfs-tests/001-basic-profiles/test.sh
index 0dc9a2bd..98bd9e6b 100755
--- a/tests/mkfs-tests/001-basic-profiles/test.sh
+++ b/tests/mkfs-tests/001-basic-profiles/test.sh
@@ -16,21 +16,15 @@ 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`
+ devs[$i]=$(prepare_loop_dev img$i)
done
}
cleanup_devices()
{
- for dev in ${devs[@]}; do
- run_check $SUDO_HELPER losetup -d $dev
- done
for i in `seq $ndevs`; do
- truncate -s0 img$i
+ cleanup_loop_dev img$i
+ rm img$i
done
run_check $SUDO_HELPER losetup --all
}
diff --git a/tests/mkfs-tests/005-long-device-name-for-ssd/test.sh b/tests/mkfs-tests/005-long-device-name-for-ssd/test.sh
index 63fb1785..aacff6ee 100755
--- a/tests/mkfs-tests/005-long-device-name-for-ssd/test.sh
+++ b/tests/mkfs-tests/005-long-device-name-for-ssd/test.sh
@@ -13,11 +13,7 @@ dmname=\
btrfs-test-with-very-long-name-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
dmdev=/dev/mapper/$dmname
-run_check truncate -s0 img
-chmod a+w img
-run_check truncate -s2g img
-
-loopdev=`run_check_stdout $SUDO_HELPER losetup --find --show img`
+loopdev=$(prepare_loop_dev img)
run_check $SUDO_HELPER dmsetup create $dmname --table "0 1048576 linear $loopdev 0"
dmbase=`readlink -f $dmdev`
@@ -36,5 +32,5 @@ run_check $SUDO_HELPER $TOP/btrfs inspect-internal dump-super $dmdev
# cleanup
run_check $SUDO_HELPER dmsetup remove $dmname
-run_mayfail $SUDO_HELPER losetup -d $loopdev
-run_check truncate -s0 img
+cleanup_loop_dev img
+rm img
diff --git a/tests/mkfs-tests/006-partitioned-loopdev/test.sh b/tests/mkfs-tests/006-partitioned-loopdev/test.sh
index 12f37842..b005ef3d 100755
--- a/tests/mkfs-tests/006-partitioned-loopdev/test.sh
+++ b/tests/mkfs-tests/006-partitioned-loopdev/test.sh
@@ -12,12 +12,8 @@ check_prereq mkfs.btrfs
setup_root_helper
-run_check truncate -s0 img
-chmod a+w img
cp partition-1g-1g img
-run_check truncate -s2g img
-
-loopdev=$(run_check_stdout $SUDO_HELPER losetup --partscan --find --show img)
+loopdev=$(prepare_loop_dev img)
base=$(basename $loopdev)
# expect partitions named like loop0p1 etc
@@ -27,5 +23,5 @@ for looppart in $(ls /dev/$base?*); do
done
# cleanup
-run_check $SUDO_HELPER losetup -d $loopdev
-run_check truncate -s0 img
+cleanup_loop_dev img
+rm img
--
2.13.0
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