" 'skip=N' skip N bs-sized blocks at the start of input\n";
printf("%s\nSupported formats:", help_msg);
- bdrv_iterate_format(format_print, NULL);
+ bdrv_iterate_format(format_print, NULL, false);
printf("\n\n" QEMU_HELP_BOTTOM "\n");
exit(EXIT_SUCCESS);
}
{
int n, ret;
QEMUIOVector qiov;
- struct iovec iov;
assert(nb_sectors <= s->buf_sectors);
while (nb_sectors > 0) {
bs_sectors = s->src_sectors[src_cur];
n = MIN(nb_sectors, bs_sectors - (sector_num - src_cur_offset));
- iov.iov_base = buf;
- iov.iov_len = n << BDRV_SECTOR_BITS;
- qemu_iovec_init_external(&qiov, &iov, 1);
+ qemu_iovec_init_buf(&qiov, buf, n << BDRV_SECTOR_BITS);
ret = blk_co_preadv(
blk, (sector_num - src_cur_offset) << BDRV_SECTOR_BITS,
{
int ret;
QEMUIOVector qiov;
- struct iovec iov;
while (nb_sectors > 0) {
int n = nb_sectors;
(s->compressed &&
!buffer_is_zero(buf, n * BDRV_SECTOR_SIZE)))
{
- iov.iov_base = buf;
- iov.iov_len = n << BDRV_SECTOR_BITS;
- qemu_iovec_init_external(&qiov, &iov, 1);
+ qemu_iovec_init_buf(&qiov, buf, n << BDRV_SECTOR_BITS);
ret = blk_co_pwritev(s->target, sector_num << BDRV_SECTOR_BITS,
n << BDRV_SECTOR_BITS, &qiov, flags);
if (!s->has_zero_init && !s->target_has_backing &&
bdrv_can_write_zeroes_with_unmap(blk_bs(s->target)))
{
- ret = blk_make_zero(s->target, BDRV_REQ_MAY_UNMAP);
+ ret = blk_make_zero(s->target, BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK);
if (ret == 0) {
s->has_zero_init = true;
}
bdrv_refresh_filename(bs);
overlay_filename = bs->exact_filename[0] ? bs->exact_filename
: bs->filename;
- out_real_path = g_malloc(PATH_MAX);
-
- bdrv_get_full_backing_filename_from_filename(overlay_filename,
- out_baseimg,
- out_real_path,
- PATH_MAX,
- &local_err);
+ out_real_path =
+ bdrv_get_full_backing_filename_from_filename(overlay_filename,
+ out_baseimg,
+ &local_err);
if (local_err) {
error_reportf_err(local_err,
"Could not resolve backing filename: ");
ret = -1;
- g_free(out_real_path);
goto out;
}