diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/qemu-img.c b/qemu-img.c index 27cc0064b6..5cc579df1f 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -1502,28 +1502,26 @@ static int img_convert(int argc, char **argv) n = bs_offset + bs_sectors - sector_num; } - if (has_zero_init) { - /* If the output image is being created as a copy on write image, - assume that sectors which are unallocated in the input image - are present in both the output's and input's base images (no - need to copy them). */ - if (out_baseimg) { - ret = bdrv_is_allocated(bs[bs_i], sector_num - bs_offset, - n, &n1); - if (ret < 0) { - error_report("error while reading metadata for sector " - "%" PRId64 ": %s", - sector_num - bs_offset, strerror(-ret)); - goto out; - } - if (!ret) { - sector_num += n1; - continue; - } - /* The next 'n1' sectors are allocated in the input image. Copy - only those as they may be followed by unallocated sectors. */ - n = n1; + /* If the output image is being created as a copy on write image, + assume that sectors which are unallocated in the input image + are present in both the output's and input's base images (no + need to copy them). */ + if (out_baseimg) { + ret = bdrv_is_allocated(bs[bs_i], sector_num - bs_offset, + n, &n1); + if (ret < 0) { + error_report("error while reading metadata for sector " + "%" PRId64 ": %s", + sector_num - bs_offset, strerror(-ret)); + goto out; + } + if (!ret) { + sector_num += n1; + continue; } + /* The next 'n1' sectors are allocated in the input image. Copy + only those as they may be followed by unallocated sectors. */ + n = n1; } else { n1 = n; } |