diff options
Diffstat (limited to 'block/qcow2-bitmap.c')
| -rw-r--r-- | block/qcow2-bitmap.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index 7bf12502da..1f38806ca6 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -1757,19 +1757,20 @@ bool qcow2_supports_persistent_dirty_bitmap(BlockDriverState *bs) } /* - * Compute the space required for bitmaps in @bs. + * Compute the space required to copy bitmaps from @in_bs. * * The computation is based as if copying to a new image with the - * given @cluster_size, which may differ from the cluster size in @bs. + * given @cluster_size, which may differ from the cluster size in + * @in_bs; in fact, @in_bs might be something other than qcow2. */ -uint64_t qcow2_get_persistent_dirty_bitmap_size(BlockDriverState *bs, +uint64_t qcow2_get_persistent_dirty_bitmap_size(BlockDriverState *in_bs, uint32_t cluster_size) { uint64_t bitmaps_size = 0; BdrvDirtyBitmap *bm; size_t bitmap_dir_size = 0; - FOR_EACH_DIRTY_BITMAP(bs, bm) { + FOR_EACH_DIRTY_BITMAP(in_bs, bm) { if (bdrv_dirty_bitmap_get_persistence(bm)) { const char *name = bdrv_dirty_bitmap_name(bm); uint32_t granularity = bdrv_dirty_bitmap_granularity(bm); |