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scsi: qla2xxx: Fix I/O failures during remote port toggle testing

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Driver was using a lower value for dev_loss_tmo making it more prone to I/O
failures during remote port toggle testing. Set dev_loss_tmo to zero during
remote port registration to allow nvme-fc default dev_loss_tmo to be used,
which is higher than what driver was using.

Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Himanshu Madhani <[email protected]>
Signed-off-by: Arun Easi <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Nilesh Javali <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
Arun Easi
2020-09-22 18:42:24 -04:00
committed by Martin K. Petersen
parent 2584e5aef8
commit dd8d0bf6fb
2 changed files with 1 additions and 4 deletions
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drivers/scsi/qla2xxx/qla_nvme.c
+1 -1
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@@ -42,7 +42,7 @@ int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport)
req.port_name = wwn_to_u64(fcport->port_name);
req.node_name = wwn_to_u64(fcport->node_name);
req.port_role = 0;
req.dev_loss_tmo = NVME_FC_DEV_LOSS_TMO;
req.dev_loss_tmo = 0;
if (fcport->nvme_prli_service_param & NVME_PRLI_SP_INITIATOR)
req.port_role = FC_PORT_ROLE_NVME_INITIATOR;
drivers/scsi/qla2xxx/qla_nvme.h
-3
View File
@@ -14,9 +14,6 @@
#include "qla_def.h"
#include "qla_dsd.h"
/* default dev loss time (seconds) before transport tears down ctrl */
#define NVME_FC_DEV_LOSS_TMO 30
#define NVME_ATIO_CMD_OFF 32
#define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF)
#define Q2T_NVME_NUM_TAGS 2048