On 12 August 2016 at 09:34, Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote: >>>>>> "Tom," == tom ty89 <tom.ty89@xxxxxxxxx> writes: > > Tom, > > + put_unaligned_be64(65535 * ATA_MAX_TRIM_RNUM / > + (sector_size / 512), &rbuf[36]); > > MAXIMUM WRITE SAME LENGTH is in units of the device's logical block > size. Yeah that's why: + sector_size = ata_id_logical_sector_size(args->id); Where the logical sector size of the device is reported with the same function in ata_scsi_dev_config() and ata_scsiop_read_cap(). So were you trying to pointing out something I am still missing, or were you merely confirming I was right? > > -- > Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
