diff options
Diffstat (limited to 'block/mirror.c')
| -rw-r--r-- | block/mirror.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/block/mirror.c b/block/mirror.c index b33f4bb1d6..eaf0fe7858 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -621,6 +621,7 @@ static int coroutine_fn mirror_dirty_init(MirrorBlockJob *s) BlockDriverState *bs = s->source; BlockDriverState *target_bs = blk_bs(s->target); int ret, n; + int64_t count; end = s->bdev_length / BDRV_SECTOR_SIZE; @@ -670,11 +671,16 @@ static int coroutine_fn mirror_dirty_init(MirrorBlockJob *s) return 0; } - ret = bdrv_is_allocated_above(bs, base, sector_num, nb_sectors, &n); + ret = bdrv_is_allocated_above(bs, base, sector_num * BDRV_SECTOR_SIZE, + nb_sectors * BDRV_SECTOR_SIZE, &count); if (ret < 0) { return ret; } + /* TODO: Relax this once bdrv_is_allocated_above and dirty + * bitmaps no longer require sector alignment. */ + assert(QEMU_IS_ALIGNED(count, BDRV_SECTOR_SIZE)); + n = count >> BDRV_SECTOR_BITS; assert(n > 0); if (ret == 1) { bdrv_set_dirty_bitmap(s->dirty_bitmap, sector_num, n); |