diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/qemu-img.c b/qemu-img.c index 86e24335fc..f7ffb79db6 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -1508,12 +1508,16 @@ static int img_compare(int argc, char **argv) } for (;;) { + int64_t count; + nb_sectors = sectors_to_process(total_sectors_over, sector_num); if (nb_sectors <= 0) { break; } - ret = bdrv_is_allocated_above(blk_bs(blk_over), NULL, sector_num, - nb_sectors, &pnum); + ret = bdrv_is_allocated_above(blk_bs(blk_over), NULL, + sector_num * BDRV_SECTOR_SIZE, + nb_sectors * BDRV_SECTOR_SIZE, + &count); if (ret < 0) { ret = 3; error_report("Sector allocation test failed for %s", @@ -1521,7 +1525,10 @@ static int img_compare(int argc, char **argv) goto out; } - nb_sectors = pnum; + /* TODO relax this once bdrv_is_allocated_above does not enforce + * sector alignment */ + assert(QEMU_IS_ALIGNED(count, BDRV_SECTOR_SIZE)); + nb_sectors = count >> BDRV_SECTOR_BITS; if (ret) { ret = check_empty_sectors(blk_over, sector_num, nb_sectors, filename_over, buf1, quiet); |