ldio outstanding variable needs to be decremented in io completion path for
iMR dual queue depth
This patch is depending on patch 8
This patch is same as V4 and there is no specific update for V5
Signed-off-by: Sasikumar Chandrasekaran <sasikumar...@broadcom.com>
Reviewed-by: Tomas Henzl <the...@redhat.com>
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c
b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 9b08de7..d4c78b0 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2571,7 +2571,6 @@ void megasas_prepare_secondRaid1_IO(struct
megasas_instance *instance,
if (atomic_inc_return(&instance->fw_outstanding) >
instance->host->can_queue) {
- dev_err(&instance->pdev->dev, "Throttle IOs beyond Controller
queue depth\n");
atomic_dec(&instance->fw_outstanding);
return SCSI_MLQUEUE_HOST_BUSY;
}
@@ -2803,6 +2802,9 @@ void megasas_prepare_secondRaid1_IO(struct
megasas_instance *instance,
extStatus, data_length, sense);
scsi_io_req->RaidContext.raid_context.status =
0;
scsi_io_req->RaidContext.raid_context.ex_status
= 0;
+ if (instance->ldio_threshold
+ && megasas_cmd_type(scmd_local) ==
READ_WRITE_LDIO)
+ atomic_dec(&instance->ldio_outstanding);
megasas_return_cmd_fusion(instance, cmd_fusion);
scsi_dma_unmap(scmd_local);
scmd_local->scsi_done(scmd_local);
@@ -3951,7 +3953,8 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int
reason)
scmd_local->result =
megasas_check_mpio_paths(instance,
scmd_local);
- if (megasas_cmd_type(scmd_local) ==
READ_WRITE_LDIO)
+ if (instance->ldio_threshold &&
+ megasas_cmd_type(scmd_local) ==
READ_WRITE_LDIO)
atomic_dec(&instance->ldio_outstanding);
megasas_return_cmd_fusion(instance, cmd_fusion);
scsi_dma_unmap(scmd_local);
--
1.8.3.1
--
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