diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index a6ea6cb62d..cc59efc184 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2655,8 +2655,8 @@ static int make_completely_empty(BlockDriverState *bs) /* After this call, neither the in-memory nor the on-disk refcount * information accurately describe the actual references */ - ret = bdrv_write_zeroes(bs->file->bs, s->l1_table_offset / BDRV_SECTOR_SIZE, - l1_clusters * s->cluster_sectors, 0); + ret = bdrv_pwrite_zeroes(bs->file->bs, s->l1_table_offset, + l1_clusters * s->cluster_size, 0); if (ret < 0) { goto fail_broken_refcounts; } @@ -2669,9 +2669,8 @@ static int make_completely_empty(BlockDriverState *bs) * overwrite parts of the existing refcount and L1 table, which is not * an issue because the dirty flag is set, complete data loss is in fact * desired and partial data loss is consequently fine as well */ - ret = bdrv_write_zeroes(bs->file->bs, s->cluster_size / BDRV_SECTOR_SIZE, - (2 + l1_clusters) * s->cluster_size / - BDRV_SECTOR_SIZE, 0); + ret = bdrv_pwrite_zeroes(bs->file->bs, s->cluster_size, + (2 + l1_clusters) * s->cluster_size, 0); /* This call (even if it failed overall) may have overwritten on-disk * refcount structures; in that case, the in-memory refcount information * will probably differ from the on-disk information which makes the BDS |