@@ -1951,6 +1951,8 @@ static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
assert(begin < overall_end && nb_extents);
while (begin < overall_end && i < nb_extents) {
+ bool next_dirty = !dirty;
+
if (dirty) {
end = bdrv_dirty_bitmap_next_zero(bitmap, begin);
} else {
@@ -1962,6 +1964,7 @@ static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
end = MIN(bdrv_dirty_bitmap_size(bitmap),
begin + UINT32_MAX + 1 -
bdrv_dirty_bitmap_granularity(bitmap));
+ next_dirty = dirty;
}
if (dont_fragment && end > overall_end) {
end = overall_end;
@@ -1971,7 +1974,7 @@ static unsigned int bitmap_to_extents(BdrvDirtyBitmap *bitmap, uint64_t offset,
extents[i].flags = cpu_to_be32(dirty ? NBD_STATE_DIRTY : 0);
i++;
begin = end;
- dirty = !dirty;
+ dirty = next_dirty;
}
bdrv_dirty_iter_free(it);