echo 'Testing failing commit'
echo
+TEST_IMG="$TEST_IMG.base" _make_test_img 1M
+
# Create an image with a null backing file to which committing will fail (with
# ENOSPC so we can distinguish the result from some generic EIO which may be
# generated anywhere in the block layer)
-_make_test_img -b "json:{'driver': 'raw',
+_make_test_img -b "json:{'driver': '$IMGFMT',
'file': {
'driver': 'blkdebug',
'inject-error': [{
'once': true
}],
'image': {
- 'driver': 'null-co'
+ 'driver': 'file',
+ 'filename': '$TEST_IMG.base'
}}}"
# Just write anything so committing will not be a no-op
$QEMU_IO -c 'writev 0 64k' "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG commit "$TEST_IMG"
-_cleanup_test_img
+_cleanup
# success, all done
echo "*** done"
Testing failing commit
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 backing_file=json:{'driver': 'raw',,
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=1048576
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=json:{'driver': 'IMGFMT',,
'file': {
'driver': 'blkdebug',,
'inject-error': [{
'once': true
}],,
'image': {
- 'driver': 'null-co'
+ 'driver': 'file',,
+ 'filename': 'TEST_DIR/t.IMGFMT.base'
}}}
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)