On 04/22/2013 11:03 PM, Stefan Hajnoczi wrote: > Imagine sector_num = 0 and nb_sectors = SD_DATA_OBJ_SIZE / BDRV_SECTOR_SIZE. > > start = 0 > end = 1 > > You don't want object 1, only object 0.
Hmm, math, ouch. So nb_sectors include sector_num? What I mean is If [start, end] mean a range of sectors,so 1. nb_sectors = end - start + 1 (I assume this one) 2. nb_sectors = end - start (you meant this one?) which one is correct for .co_is_allocated? Thanks, Yuan