[Sending once more as vger bounced the previous mail - sorry for the duplicates] 2012/11/17 Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx> > > After reading SBC again it becomes a lot more clear how this > opcode works. > Reactivate the opcode and implement it properly. > Compare the first "number of blocks" from DATA-OUT with the existing > content of these blocks on the LUN. > If it compare ok, then overwrite these block on the lun with the > next "number of blocks" from the DATA-OUT buffer. How is atomicity guaranteed? CMIIW (it's been a while that I looked into TGT code), but I think another backing store thread could modify the data concurrently. Thanks, Arne -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
