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Petersen" , John Garry , Xiang Chen , Jason Yan , Luo Jiaxing Subject: [PATCH 02/20] scsi: libsas: simplify sas_ata_qc_issue() detection of NCQ commands Date: Thu, 10 Feb 2022 20:42:00 +0900 Message-Id: <20220210114218.632725-3-damien.lemoal@opensource.wdc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220210114218.632725-1-damien.lemoal@opensource.wdc.com> References: <20220210114218.632725-1-damien.lemoal@opensource.wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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. Signed-off-by: Damien Le Moal --- drivers/scsi/libsas/sas_ata.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.= c index 7e0cde710fc3..99549862c9c7 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -181,14 +181,9 @@ static unsigned int sas_ata_qc_issue(struct ata_queu= ed_cmd *qc) task->task_proto =3D SAS_PROTOCOL_STP; task->task_done =3D sas_ata_task_done; =20 - if (qc->tf.command =3D=3D ATA_CMD_FPDMA_WRITE || - qc->tf.command =3D=3D ATA_CMD_FPDMA_READ || - qc->tf.command =3D=3D ATA_CMD_FPDMA_RECV || - qc->tf.command =3D=3D ATA_CMD_FPDMA_SEND || - qc->tf.command =3D=3D 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 =3D 0; - } =20 ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis= ); task->uldd_task =3D qc; --=20 2.34.1