Boaz Harrosh wrote: > Douglas Gilbert wrote: >> The "correct" maximum value (SPC-3 and draft SPC-4) is 252. >> Since SPC-3 the recommended maximum length for the basic >> SCSI commands that have a 1 byte allocation length field was >> altered from 255 to 252. This is to be a little friendlier >> to transports that move data in 4 byte units across their >> transport. Guessing a bit here but SATA, SAS and FCP fall >> into that group of transports. > > 252 + 8 bytes header for REQUEST_SENSE command. So total > 260 buffer size. (Last I look) > OK you are right 252 allocation length max, specified at REQUEST_SENSE CDB. The sense_buffer structure itself has 252 + 8 restriction which got me confused. In OSD we have large sense payload that can get truncated by these values. Boaz -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
