On Fri, 04/24 13:07, Paolo Bonzini wrote: > > > On 24/04/2015 12:53, Fam Zheng wrote: > > + const uint8_t write_same_cdb[] = { 0x41, 0x00, 0x00, 0x00, > > + 0x00, 0x01, 0x02 }; > > The array size should be CDB_SIZE and there's 3 missing bytes in the > 10-byte WRITE SAME CDB. > > byte 0: WRITE SAME opcode > byte 1: all zeros, ok > byte 2...5: LBA = 1, ok > byte 6: GROUP NUMBER = 2? > > Did you mean 0x00, 0x00, 0x02, 0x00? > > It probably works because scsi-disk ignores bytes 6 and 9, and bytes 7-8 > are some nonzero value from the stack, but it would break when changing > the array size to CDB_SIZE.
You're right! Fam > > Otherwise looks good. > > Thanks for writing the tests! > > Paolo >