| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 159/280] scsi: aacraid: Fix performance issue on logical drives | Date | Fri, 22 Mar 2019 12:15:12 +0100 |
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4.19-stable review patch. If anyone has any objections, please let me know.
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From: Sagar Biradar <sagar.biradar@microchip.com>
commit 0015437cc046e5ec2b57b00ff8312b8d432eac7c upstream.
Fix performance issue where the queue depth for SmartIOC logical volumes is set to 1, and allow the usual logical volume code to be executed
Fixes: a052865fe287 (aacraid: Set correct Queue Depth for HBA1000 RAW disks) Cc: stable@vger.kernel.org Signed-off-by: Sagar Biradar <Sagar.Biradar@microchip.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/scsi/aacraid/linit.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -413,13 +413,16 @@ static int aac_slave_configure(struct sc if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) { devtype = aac->hba_map[chn][tid].devtype; - if (devtype == AAC_DEVTYPE_NATIVE_RAW) + if (devtype == AAC_DEVTYPE_NATIVE_RAW) { depth = aac->hba_map[chn][tid].qd_limit; - else if (devtype == AAC_DEVTYPE_ARC_RAW) + set_timeout = 1; + goto common_config; + } + if (devtype == AAC_DEVTYPE_ARC_RAW) { set_qd_dev_type = true; - - set_timeout = 1; - goto common_config; + set_timeout = 1; + goto common_config; + } } if (aac->jbod && (sdev->type == TYPE_DISK))
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