drv = NULL;
}
- ret = bdrv_open(bs, filename, flags, drv);
+ ret = bdrv_open(bs, filename, NULL, flags, drv);
if (ret < 0) {
error_report("Could not open '%s': %s", filename, strerror(-ret));
goto fail;
}
assert (remainder == 0);
- if (n < cluster_sectors) {
- memset(buf + n * 512, 0, cluster_size - n * 512);
- }
- if (!buffer_is_zero(buf, cluster_size)) {
- ret = bdrv_write_compressed(out_bs, sector_num, buf,
- cluster_sectors);
+ if (!buffer_is_zero(buf, n * BDRV_SECTOR_SIZE)) {
+ ret = bdrv_write_compressed(out_bs, sector_num, buf, n);
if (ret != 0) {
error_report("error while compressing sector %" PRId64
": %s", sector_num, strerror(-ret));
bs_old_backing = bdrv_new("old_backing");
bdrv_get_backing_filename(bs, backing_name, sizeof(backing_name));
- ret = bdrv_open(bs_old_backing, backing_name, BDRV_O_FLAGS,
+ ret = bdrv_open(bs_old_backing, backing_name, NULL, BDRV_O_FLAGS,
old_backing_drv);
if (ret) {
error_report("Could not open old backing file '%s'", backing_name);
}
if (out_baseimg[0]) {
bs_new_backing = bdrv_new("new_backing");
- ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS,
+ ret = bdrv_open(bs_new_backing, out_baseimg, NULL, BDRV_O_FLAGS,
new_backing_drv);
if (ret) {
error_report("Could not open new backing file '%s'",