diff mbox series

[v3,08/35] scsi: scsi_dh: Convert to scsi_exec_req

Message ID 20221003175321.8040-9-michael.christie@oracle.com
State Superseded
Headers show
Series Allow scsi_execute users to control retries | expand

Commit Message

Mike Christie Oct. 3, 2022, 5:52 p.m. UTC 
scsi_execute* is going to be removed. Convert to scsi_exec_req so
we pass all args in a scsi_exec_args struct.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
---
 drivers/scsi/device_handler/scsi_dh_alua.c  | 26 ++++++++++++++++-----
 drivers/scsi/device_handler/scsi_dh_emc.c   | 13 ++++++++---
 drivers/scsi/device_handler/scsi_dh_hp_sw.c | 20 ++++++++++++----
 drivers/scsi/device_handler/scsi_dh_rdac.c  | 15 +++++++++---
 4 files changed, 58 insertions(+), 16 deletions(-)

Comments

Bart Van Assche Oct. 4, 2022, 10:34 p.m. UTC | #1 
On 10/3/22 10:52, Mike Christie wrote:
> scsi_execute* is going to be removed. Convert to scsi_exec_req so
> we pass all args in a scsi_exec_args struct.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff mbox series

Patch

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 610a51538f03..e4825da21d05 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -139,9 +139,16 @@  static int submit_rtpg(struct scsi_device *sdev, unsigned char *buff,
 		cdb[1] = MI_REPORT_TARGET_PGS;
 	put_unaligned_be32(bufflen, &cdb[6]);
 
-	return scsi_execute(sdev, cdb, DMA_FROM_DEVICE, buff, bufflen, NULL,
-			sshdr, ALUA_FAILOVER_TIMEOUT * HZ,
-			ALUA_FAILOVER_RETRIES, req_flags, 0, NULL);
+	return scsi_exec_req(((struct scsi_exec_args) {
+				.sdev = sdev,
+				.cmd = cdb,
+				.data_dir = DMA_FROM_DEVICE,
+				.buf = buff,
+				.buf_len = bufflen,
+				.sshdr = sshdr,
+				.timeout = ALUA_FAILOVER_TIMEOUT * HZ,
+				.retries = ALUA_FAILOVER_RETRIES,
+				.op_flags = req_flags }));
 }
 
 /*
@@ -171,9 +178,16 @@  static int submit_stpg(struct scsi_device *sdev, int group_id,
 	cdb[1] = MO_SET_TARGET_PGS;
 	put_unaligned_be32(stpg_len, &cdb[6]);
 
-	return scsi_execute(sdev, cdb, DMA_TO_DEVICE, stpg_data, stpg_len, NULL,
-			sshdr, ALUA_FAILOVER_TIMEOUT * HZ,
-			ALUA_FAILOVER_RETRIES, req_flags, 0, NULL);
+	return scsi_exec_req(((struct scsi_exec_args) {
+				.sdev = sdev,
+				.cmd = cdb,
+				.data_dir = DMA_TO_DEVICE,
+				.buf = stpg_data,
+				.buf_len = stpg_len,
+				.sshdr = sshdr,
+				.timeout = ALUA_FAILOVER_TIMEOUT * HZ,
+				.retries = ALUA_FAILOVER_RETRIES,
+				.op_flags = req_flags }));
 }
 
 static struct alua_port_group *alua_find_get_pg(char *id_str, size_t id_size,
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index 2e21ab447873..0ad6163dc426 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -263,9 +263,16 @@  static int send_trespass_cmd(struct scsi_device *sdev,
 	BUG_ON((len > CLARIION_BUFFER_SIZE));
 	memcpy(csdev->buffer, page22, len);
 
-	err = scsi_execute(sdev, cdb, DMA_TO_DEVICE, csdev->buffer, len, NULL,
-			&sshdr, CLARIION_TIMEOUT * HZ, CLARIION_RETRIES,
-			req_flags, 0, NULL);
+	err = scsi_exec_req(((struct scsi_exec_args) {
+				.sdev = sdev,
+				.cmd = cdb,
+				.data_dir = DMA_TO_DEVICE,
+				.buf = csdev->buffer,
+				.buf_len = len,
+				.sshdr = &sshdr,
+				.timeout = CLARIION_TIMEOUT * HZ,
+				.retries = CLARIION_RETRIES,
+				.op_flags = req_flags }));
 	if (err) {
 		if (scsi_sense_valid(&sshdr))
 			res = trespass_endio(sdev, &sshdr);
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 0d2cfa60aa06..adcbe3b883b7 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -87,8 +87,14 @@  static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
 		REQ_FAILFAST_DRIVER;
 
 retry:
-	res = scsi_execute(sdev, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
-			HP_SW_TIMEOUT, HP_SW_RETRIES, req_flags, 0, NULL);
+	res = scsi_exec_req(((struct scsi_exec_args) {
+				.sdev = sdev,
+				.cmd = cmd,
+				.data_dir = DMA_NONE,
+				.sshdr = &sshdr,
+				.timeout = HP_SW_TIMEOUT,
+				.retries = HP_SW_RETRIES,
+				.op_flags = req_flags }));
 	if (res) {
 		if (scsi_sense_valid(&sshdr))
 			ret = tur_done(sdev, h, &sshdr);
@@ -125,8 +131,14 @@  static int hp_sw_start_stop(struct hp_sw_dh_data *h)
 		REQ_FAILFAST_DRIVER;
 
 retry:
-	res = scsi_execute(sdev, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
-			HP_SW_TIMEOUT, HP_SW_RETRIES, req_flags, 0, NULL);
+	res = scsi_exec_req(((struct scsi_exec_args) {
+				.sdev = sdev,
+				.cmd = cmd,
+				.data_dir = DMA_NONE,
+				.sshdr = &sshdr,
+				.timeout = HP_SW_TIMEOUT,
+				.retries = HP_SW_RETRIES,
+				.op_flags = req_flags }));
 	if (res) {
 		if (!scsi_sense_valid(&sshdr)) {
 			sdev_printk(KERN_WARNING, sdev,
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index bf8754741f85..c4d1830512ca 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -538,6 +538,7 @@  static void send_mode_select(struct work_struct *work)
 	unsigned int data_size;
 	blk_opf_t req_flags = REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
 		REQ_FAILFAST_DRIVER;
+	int result;
 
 	spin_lock(&ctlr->ms_lock);
 	list_splice_init(&ctlr->ms_head, &list);
@@ -555,9 +556,17 @@  static void send_mode_select(struct work_struct *work)
 		(char *) h->ctlr->array_name, h->ctlr->index,
 		(retry_cnt == RDAC_RETRY_COUNT) ? "queueing" : "retrying");
 
-	if (scsi_execute(sdev, cdb, DMA_TO_DEVICE, &h->ctlr->mode_select,
-			data_size, NULL, &sshdr, RDAC_TIMEOUT * HZ,
-			RDAC_RETRIES, req_flags, 0, NULL)) {
+	result = scsi_exec_req(((struct scsi_exec_args) {
+					.sdev = sdev,
+					.cmd = cdb,
+					.data_dir = DMA_TO_DEVICE,
+					.buf = &h->ctlr->mode_select,
+					.buf_len = data_size,
+					.sshdr = &sshdr,
+					.timeout = RDAC_TIMEOUT * HZ,
+					.retries = RDAC_RETRIES,
+					.op_flags = req_flags }));
+	if (result) {
 		err = mode_select_handle_sense(sdev, &sshdr);
 		if (err == SCSI_DH_RETRY && retry_cnt--)
 			goto retry;