diff options
| -rw-r--r-- | block/parallels.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/block/parallels.c b/block/parallels.c index ebcdff8736..a97fb8b506 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -279,7 +279,8 @@ allocate_clusters(BlockDriverState *bs, int64_t sector_num, first_free = find_first_zero_bit(s->used_bmap, s->used_bmap_size); if (first_free == s->used_bmap_size) { uint32_t new_usedsize; - int64_t space = to_allocate * s->tracks + s->prealloc_size; + int64_t bytes = to_allocate * s->cluster_size; + bytes += s->prealloc_size * BDRV_SECTOR_SIZE; host_off = s->data_end * BDRV_SECTOR_SIZE; @@ -289,8 +290,7 @@ allocate_clusters(BlockDriverState *bs, int64_t sector_num, * force the safer-but-slower fallocate. */ if (s->prealloc_mode == PRL_PREALLOC_MODE_TRUNCATE) { - ret = bdrv_co_truncate(bs->file, - (s->data_end + space) << BDRV_SECTOR_BITS, + ret = bdrv_co_truncate(bs->file, host_off + bytes, false, PREALLOC_MODE_OFF, BDRV_REQ_ZERO_WRITE, NULL); if (ret == -ENOTSUP) { @@ -298,16 +298,13 @@ allocate_clusters(BlockDriverState *bs, int64_t sector_num, } } if (s->prealloc_mode == PRL_PREALLOC_MODE_FALLOCATE) { - ret = bdrv_co_pwrite_zeroes(bs->file, - s->data_end << BDRV_SECTOR_BITS, - space << BDRV_SECTOR_BITS, 0); + ret = bdrv_co_pwrite_zeroes(bs->file, host_off, bytes, 0); } if (ret < 0) { return ret; } - new_usedsize = s->used_bmap_size + - (space << BDRV_SECTOR_BITS) / s->cluster_size; + new_usedsize = s->used_bmap_size + bytes / s->cluster_size; s->used_bmap = bitmap_zero_extend(s->used_bmap, s->used_bmap_size, new_usedsize); s->used_bmap_size = new_usedsize; |