Mikael Pettersson wrote:
@@ -155,7 +155,7 @@ static struct scsi_host_template pdc_ata
.queuecommand = ata_scsi_queuecmd,
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
+ .sg_tablesize = LIBATA_MAX_PRD-1,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
IMO, this will be difficult for human eyes to see, many months from now.
I would prefer a 'PDC_MAX_PRD' constant, defined to this value.
@@ -530,7 +608,7 @@ static void pdc_qc_prep(struct ata_queue
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
/* fall through */
case ATA_PROT_NODATA:
@@ -546,11 +624,11 @@ static void pdc_qc_prep(struct ata_queue
break;
case ATA_PROT_ATAPI:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
break;
case ATA_PROT_ATAPI_DMA:
- ata_qc_prep(qc);
+ pdc_fill_sg(qc);
/*FALLTHROUGH*/
Note that this is not exactly an equivalent change -- you are removing
the test in ata_qc_prep() that occurs prior to ata_fill_sg() call.
Jeff
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