In SPC-3, WRITE(10)/(16) support grouping function. Let's associate bio write hint with group number for enabling StreamID or Turbo Write feature. Change-Id: I565c8e0c1d10e17a23e73f2a02c1adbd198b04b3 Signed-off-by: Randall Huang <huangrandall@xxxxxxxxxx> --- drivers/scsi/sd.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 4b49cb67617e..db48a849107e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1201,7 +1201,11 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) SCpnt->cmnd[11] = (unsigned char) (this_count >> 16) & 0xff; SCpnt->cmnd[12] = (unsigned char) (this_count >> 8) & 0xff; SCpnt->cmnd[13] = (unsigned char) this_count & 0xff; - SCpnt->cmnd[14] = SCpnt->cmnd[15] = 0; + if (rq_data_dir(rq) == WRITE) + SCpnt->cmnd[14] = rq->bio->bi_write_hint & 0x3f; + else + SCpnt->cmnd[14] = 0; + SCpnt->cmnd[15] = 0; } else if ((this_count > 0xff) || (block > 0x1fffff) || scsi_device_protection(SCpnt->device) || SCpnt->device->use_10_for_rw) { @@ -1211,9 +1215,13 @@ static int sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) SCpnt->cmnd[3] = (unsigned char) (block >> 16) & 0xff; SCpnt->cmnd[4] = (unsigned char) (block >> 8) & 0xff; SCpnt->cmnd[5] = (unsigned char) block & 0xff; - SCpnt->cmnd[6] = SCpnt->cmnd[9] = 0; + if (rq_data_dir(rq) == WRITE) + SCpnt->cmnd[6] = rq->bio->bi_write_hint & 0x1f; + else + SCpnt->cmnd[6] = 0; SCpnt->cmnd[7] = (unsigned char) (this_count >> 8) & 0xff; SCpnt->cmnd[8] = (unsigned char) this_count & 0xff; + SCpnt->cmnd[9] = 0; } else { if (unlikely(rq->cmd_flags & REQ_FUA)) { /* -- 2.20.1.415.g653613c723-goog