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authorDamien Le Moal <damien.lemoal@opensource.wdc.com>2022-02-20 12:18:02 +0900
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-22 21:31:20 -0500
commita1e7c7991923ab736e5be0ebcf65499acb04d583 (patch)
tree84069e022f5c90f69848d5d70c4d36783e87ec41 /drivers
parentf792a3629f4c4aa4c3703d66b43ce1edcc3ec09a (diff)
downloadlinux-a1e7c7991923ab736e5be0ebcf65499acb04d583.tar.bz2
scsi: libsas: Simplify sas_ata_qc_issue() detection of NCQ commands
To detect if a command is NCQ, there is no need to test all possible NCQ command codes. Instead, use ata_is_ncq() to test the command protocol. Link: https://lore.kernel.org/r/20220220031810.738362-24-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/libsas/sas_ata.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index dd4ae5e8cb5c..d34c82e24d9a 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -179,14 +179,9 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
task->task_proto = SAS_PROTOCOL_STP;
task->task_done = sas_ata_task_done;
- if (qc->tf.command == ATA_CMD_FPDMA_WRITE ||
- qc->tf.command == ATA_CMD_FPDMA_READ ||
- qc->tf.command == ATA_CMD_FPDMA_RECV ||
- qc->tf.command == ATA_CMD_FPDMA_SEND ||
- qc->tf.command == ATA_CMD_NCQ_NON_DATA) {
- /* Need to zero out the tag libata assigned us */
+ /* For NCQ commands, zero out the tag libata assigned us */
+ if (ata_is_ncq(qc->tf.protocol))
qc->tf.nsect = 0;
- }
ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis);
task->uldd_task = qc;