Re: [Qemu-devel] [PATCH v3 0/4] Bitmap clean-up patches for 2.6

2015-11-25 Thread Fam Zheng
On Wed, 11/25 09:57, Vladimir Sementsov-Ogievskiy wrote: > Hmm, stop. Very bad thing (sorry, that I didn't realize it before): > > This breaks my dirty bitmap migration series with its meta bitmaps. > Meta bitmap is an additional HBitmap in BdrvDirtyBitmap, which > tracks dirtiness of this BdrvDir

Re: [Qemu-devel] [PATCH v3 0/4] Bitmap clean-up patches for 2.6

2015-11-24 Thread Vladimir Sementsov-Ogievskiy
Hmm, stop. Very bad thing (sorry, that I didn't realize it before): This breaks my dirty bitmap migration series with its meta bitmaps. Meta bitmap is an additional HBitmap in BdrvDirtyBitmap, which tracks dirtiness of this BdrvDirtyBitmap. And it (meta bitmap) have its own granularity of cour

[Qemu-devel] [PATCH v3 0/4] Bitmap clean-up patches for 2.6

2015-11-24 Thread Fam Zheng
v3: Split patch 2. [Vladimir] v2: bitmap_set -> set_bit. [Congyang, Paolo, John] Add John Snow's rev-by with that change. This makes a cleaner base for more dirty bitmap work. "granularity" appearing with different representations have always been mind twisting, remove it from HBitmap to make