diff options
Diffstat (limited to 'block/parallels.c')
| -rw-r--r-- | block/parallels.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/parallels.c b/block/parallels.c index 99fc0f77ef..d6a1a616b6 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -204,13 +204,15 @@ static int64_t allocate_clusters(BlockDriverState *bs, int64_t sector_num, return -EINVAL; } - to_allocate = (sector_num + *pnum + s->tracks - 1) / s->tracks - idx; + to_allocate = DIV_ROUND_UP(sector_num + *pnum, s->tracks) - idx; space = to_allocate * s->tracks; if (s->data_end + space > bdrv_getlength(bs->file->bs) >> BDRV_SECTOR_BITS) { int ret; space += s->prealloc_size; if (s->prealloc_mode == PRL_PREALLOC_MODE_FALLOCATE) { - ret = bdrv_write_zeroes(bs->file->bs, s->data_end, space, 0); + ret = bdrv_pwrite_zeroes(bs->file->bs, + s->data_end << BDRV_SECTOR_BITS, + space << BDRV_SECTOR_BITS, 0); } else { ret = bdrv_truncate(bs->file->bs, (s->data_end + space) << BDRV_SECTOR_BITS); |