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| author | Kashyap Desai <kashyap.desai@broadcom.com> | 2020-05-08 10:38:34 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-12 05:06:23 +0200 |
| commit | 6c205a66d65d031e8bf54cf0f4586258ca09396a (patch) | |
| tree | 3513ac73193dc679aff5facbbabf431cf3dd0660 | |
| parent | scsi: ufs: Cleanup WriteBooster feature (diff) | |
| download | linux-6c205a66d65d031e8bf54cf0f4586258ca09396a.tar.xz linux-6c205a66d65d031e8bf54cf0f4586258ca09396a.zip | |
scsi: megaraid_sas: Limit device queue depth to controller queue depth
The driver currently assigns a pre-defined queue depth when the
firmware-provided device queue depth is greater than the controller queue
depth.
Use the controller queue depth if the reported target queue depth is too
large.
Link: https://lore.kernel.org/r/20200508083838.22778-2-chandrakanth.patil@broadcom.com
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index fb9c3ceed508..00668335c2af 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1982,9 +1982,9 @@ static void megasas_set_fw_assisted_qd(struct scsi_device *sdev, if (is_target_prop) { tgt_device_qd = le32_to_cpu(instance->tgt_prop->device_qdepth); - if (tgt_device_qd && - (tgt_device_qd <= instance->host->can_queue)) - device_qd = tgt_device_qd; + if (tgt_device_qd) + device_qd = min(instance->host->can_queue, + (int)tgt_device_qd); } if (instance->enable_sdev_max_qd && interface_type != UNKNOWN_DRIVE) |