On 15-10-27 01:49 AM, vinayak.kale@xxxxxxxxx wrote:
From: Vinayak Kale <vinayak.kale@xxxxxxxxxxx> This patch is needed to make NCQ commands with FPDMA protocol value (eg READ/WRITE FPDMA) work over SCSI Generic (SG) interface.
..
+ /* For NCQ commands with FPDMA protocol, copy the tag value */ + if (tf->protocol == ATA_PROT_NCQ) + tf->nsect = qc->tag << 3; +
What prevents the qc-tag value here from conflicting with in-flight I/O using the exact same qc-tag ?? -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
