BitmapActionStartsync
state = llbitmap_state_machine(llbitmap, p, p, BitmapActionStartsync);
[BitmapActionStartsync] = BitNone,
[BitmapActionStartsync] = BitNone,
[BitmapActionStartsync] = BitNone,
[BitmapActionStartsync] = BitSyncing,
[BitmapActionStartsync] = BitSyncing,
[BitmapActionStartsync] = BitSyncingUnwritten,
[BitmapActionStartsync] = BitSyncingUnwritten,
[BitmapActionStartsync] = BitNone,
action == BitmapActionStartsync)