From: Mike Christie <michael.christie@oracle.com>
To: bvanassche@acm.org, mwilck@suse.com, hch@lst.de,
martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
james.bottomley@hansenpartnership.com
Cc: Mike Christie <michael.christie@oracle.com>
Subject: [PATCH v5 24/35] scsi: hp_sw: Have scsi-ml retry scsi_exec_req errors
Date: Sat, 22 Oct 2022 22:03:52 -0500 [thread overview]
Message-ID: <20221023030403.33845-25-michael.christie@oracle.com> (raw)
In-Reply-To: <20221023030403.33845-1-michael.christie@oracle.com>
This has hp_sw have scsi-ml retry scsi_exec_req errors instead of driving
them itself.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
---
drivers/scsi/device_handler/scsi_dh_hp_sw.c | 46 +++++++++++++--------
1 file changed, 29 insertions(+), 17 deletions(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index adcbe3b883b7..8c09d512a415 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -46,9 +46,6 @@ static int tur_done(struct scsi_device *sdev, struct hp_sw_dh_data *h,
int ret = SCSI_DH_IO;
switch (sshdr->sense_key) {
- case UNIT_ATTENTION:
- ret = SCSI_DH_IMM_RETRY;
- break;
case NOT_READY:
if (sshdr->asc == 0x04 && sshdr->ascq == 2) {
/*
@@ -85,8 +82,17 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
int ret = SCSI_DH_OK, res;
blk_opf_t req_flags = REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
+ struct scsi_failure failures[] = {
+ {
+ .sense = UNIT_ATTENTION,
+ .asc = SCMD_FAILURE_ASC_ANY,
+ .ascq = SCMD_FAILURE_ASCQ_ANY,
+ .allowed = SCMD_FAILURE_NO_LIMIT,
+ .result = SAM_STAT_CHECK_CONDITION,
+ },
+ {},
+ };
-retry:
res = scsi_exec_req(((struct scsi_exec_args) {
.sdev = sdev,
.cmd = cmd,
@@ -94,7 +100,8 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
.sshdr = &sshdr,
.timeout = HP_SW_TIMEOUT,
.retries = HP_SW_RETRIES,
- .op_flags = req_flags }));
+ .op_flags = req_flags,
+ .failures = failures }));
if (res) {
if (scsi_sense_valid(&sshdr))
ret = tur_done(sdev, h, &sshdr);
@@ -108,8 +115,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
h->path_state = HP_SW_PATH_ACTIVE;
ret = SCSI_DH_OK;
}
- if (ret == SCSI_DH_IMM_RETRY)
- goto retry;
return ret;
}
@@ -126,11 +131,24 @@ static int hp_sw_start_stop(struct hp_sw_dh_data *h)
struct scsi_sense_hdr sshdr;
struct scsi_device *sdev = h->sdev;
int res, rc = SCSI_DH_OK;
- int retry_cnt = HP_SW_RETRIES;
blk_opf_t req_flags = REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
+ struct scsi_failure failures[] = {
+ {
+ /*
+ * LUN not ready - manual intervention required
+ *
+ * Switch-over in progress, retry.
+ */
+ .sense = NOT_READY,
+ .asc = 0x04,
+ .ascq = 0x03,
+ .allowed = HP_SW_RETRIES,
+ .result = SAM_STAT_CHECK_CONDITION,
+ },
+ {},
+ };
-retry:
res = scsi_exec_req(((struct scsi_exec_args) {
.sdev = sdev,
.cmd = cmd,
@@ -138,7 +156,8 @@ static int hp_sw_start_stop(struct hp_sw_dh_data *h)
.sshdr = &sshdr,
.timeout = HP_SW_TIMEOUT,
.retries = HP_SW_RETRIES,
- .op_flags = req_flags }));
+ .op_flags = req_flags,
+ .failures = failures }));
if (res) {
if (!scsi_sense_valid(&sshdr)) {
sdev_printk(KERN_WARNING, sdev,
@@ -149,13 +168,6 @@ static int hp_sw_start_stop(struct hp_sw_dh_data *h)
switch (sshdr.sense_key) {
case NOT_READY:
if (sshdr.asc == 0x04 && sshdr.ascq == 3) {
- /*
- * LUN not ready - manual intervention required
- *
- * Switch-over in progress, retry.
- */
- if (--retry_cnt)
- goto retry;
rc = SCSI_DH_RETRY;
break;
}
--
2.25.1
next prev parent reply other threads:[~2022-10-23 3:08 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-23 3:03 [PATCH v5 00/35] Allow scsi_execute users to control retries Mike Christie
2022-10-23 3:03 ` [PATCH v5 01/35] scsi: Add helper to prep sense during error handling Mike Christie
2022-10-23 3:03 ` [PATCH v5 02/35] scsi: Allow passthrough to override what errors to retry Mike Christie
2022-10-23 3:03 ` [PATCH v5 03/35] scsi: Add struct for args to execution functions Mike Christie
2022-10-23 3:03 ` [PATCH v5 04/35] scsi: Add scsi_failure field to scsi_exec_args Mike Christie
2022-10-23 3:03 ` [PATCH v5 05/35] scsi: libata: Convert to scsi_exec_req Mike Christie
2022-10-23 3:03 ` [PATCH v5 06/35] hwmon: drivetemp: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 07/35] scsi: ch: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 08/35] scsi: scsi_dh: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 09/35] scsi: core: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 10/35] scsi: spi: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 11/35] scsi: sd: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 12/35] scsi: zbc: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 13/35] scsi: ses: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 14/35] scsi: sr: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 15/35] scsi: virtio_scsi: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 16/35] scsi: target_core_pscsi: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 17/35] scsi: ufshcd: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 18/35] scsi: cxlflash: " Mike Christie
2022-10-23 3:03 ` [PATCH v5 19/35] scsi: Remove scsi_execute functions Mike Christie
2022-10-23 3:03 ` [PATCH v5 20/35] scsi: Have scsi-ml retry scsi_probe_lun errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 21/35] scsi: retry INQUIRY after timeout Mike Christie
2022-10-23 3:03 ` [PATCH v5 22/35] scsi: Have scsi-ml retry read_capacity_16 errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 23/35] scsi: Have scsi-ml retry sd_spinup_disk errors Mike Christie
2022-10-23 3:03 ` Mike Christie [this message]
2022-10-23 3:03 ` [PATCH v5 25/35] scsi: rdac: Have scsi-ml retry send_mode_select errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 26/35] scsi: spi: Have scsi-ml retry spi_execute errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 27/35] scsi: sd: Have scsi-ml retry sd_sync_cache errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 28/35] scsi: ch: Have scsi-ml retry ch_do_scsi errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 29/35] scsi: Have scsi-ml retry scsi_mode_sense errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 30/35] scsi: Have scsi-ml retry scsi_report_lun_scan errors Mike Christie
2022-10-23 3:03 ` [PATCH v5 31/35] scsi: sd: Have sd_pr_command retry UAs Mike Christie
2022-10-23 3:04 ` [PATCH v5 32/35] scsi: sd: Have scsi-ml retry read_capacity_10 errors Mike Christie
2022-10-23 3:04 ` [PATCH v5 33/35] scsi: ses: Have scsi-ml retry scsi_exec_req errors Mike Christie
2022-10-23 3:04 ` [PATCH v5 34/35] scsi: sr: Have scsi-ml retry get_sectorsize errors Mike Christie
2022-10-23 3:04 ` [PATCH v5 35/35] scsi: Add kunit tests for scsi_check_passthrough Mike Christie
2022-10-23 6:32 ` kernel test robot
2022-10-24 18:39 ` Mike Christie
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