diff options
Diffstat (limited to 'tests/qemu-iotests/175')
| -rwxr-xr-x | tests/qemu-iotests/175 | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/tests/qemu-iotests/175 b/tests/qemu-iotests/175 index d0ffc495c2..51e62c8276 100755 --- a/tests/qemu-iotests/175 +++ b/tests/qemu-iotests/175 @@ -28,10 +28,25 @@ status=1 # failure is the default! _cleanup() { - _cleanup_test_img + _cleanup_test_img + rm -f "$TEST_DIR/empty" } trap "_cleanup; exit \$status" 0 1 2 3 15 +# Some file systems sometimes allocate extra blocks independently of +# the file size. This function hides the resulting difference in the +# stat -c '%b' output. +# Parameter 1: Number of blocks an empty file occupies +# Parameter 2: Image size in bytes +_filter_blocks() +{ + extra_blocks=$1 + img_size=$2 + + sed -e "s/blocks=$extra_blocks\\(\$\\|[^0-9]\\)/nothing allocated/" \ + -e "s/blocks=$((extra_blocks + img_size / 512))\\(\$\\|[^0-9]\\)/everything allocated/" +} + # get standard environment, filters and checks . ./common.rc . ./common.filter @@ -40,18 +55,21 @@ _supported_fmt raw _supported_proto file _supported_os Linux -size=1m +size=$((1 * 1024 * 1024)) + +touch "$TEST_DIR/empty" +extra_blocks=$(stat -c '%b' "$TEST_DIR/empty") echo echo "== creating image with default preallocation ==" _make_test_img $size | _filter_imgfmt -stat -c "size=%s, blocks=%b" $TEST_IMG +stat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $size for mode in off full falloc; do echo echo "== creating image with preallocation $mode ==" IMGOPTS=preallocation=$mode _make_test_img $size | _filter_imgfmt - stat -c "size=%s, blocks=%b" $TEST_IMG + stat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $size done # success, all done |