From: Anand Lodnoor Date: Tue, 14 Jan 2020 11:21:14 +0000 (+0530) Subject: scsi: megaraid_sas: Update optimal queue depth for SAS and NVMe devices X-Git-Tag: v5.6-rc1~124^2~27 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6e73550670ed1c07779706bb6cf61b99c871fc42;p=linux.git scsi: megaraid_sas: Update optimal queue depth for SAS and NVMe devices Ideally, optimal queue depth will be provided by firmware. The driver defines will be used as a fallback mechanism in case the FW assisted QD is not supported. The driver defined values provide optimal queue depth for most of the drives and the workloads, as is learned from the firmware assisted QD results. Link: https://lore.kernel.org/r/1579000882-20246-4-git-send-email-anand.lodnoor@broadcom.com Signed-off-by: Chandrakanth Patil Signed-off-by: Anand Lodnoor Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index bd8184072bed..ddfbe6f6667a 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2233,9 +2233,9 @@ enum MR_PD_TYPE { /* JBOD Queue depth definitions */ #define MEGASAS_SATA_QD 32 -#define MEGASAS_SAS_QD 64 +#define MEGASAS_SAS_QD 256 #define MEGASAS_DEFAULT_PD_QD 64 -#define MEGASAS_NVME_QD 32 +#define MEGASAS_NVME_QD 64 #define MR_DEFAULT_NVME_PAGE_SIZE 4096 #define MR_DEFAULT_NVME_PAGE_SHIFT 12