By default, the host_tagset_enable feature is disabled，Fio performance
has improved significantly
fio test command:
sudo fio -filename=/fio_test -direct=1 -iodepth 32 -thread -rw=write -ioengine=libaio
-bs=4K -size=5120M -runtime=600 -numjobs=$CPUN -group_reporting -name=**.result >> **.result
The test data results bw are as follows：
v6.8_kernel v6.8_kernel_disable_host_tagset
4k randwrite 375 642
4k randread 210 784
4k write 306 387
4k read 435 2457
128k write 355 380
128k read 976 3665
1M read 415 3122
Signed-off-by: mengfanhui <mengfanhui@xxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_base.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 3d4f13da1ae8..da19c4c07f2f 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -123,9 +123,9 @@ MODULE_PARM_DESC(poll_queues, "Number of queues to be use for io_uring poll mode
"High iops queues are not allocated &\n\t\t"
);
-int host_tagset_enable = 1;
+int host_tagset_enable;
module_param(host_tagset_enable, int, 0444);
-MODULE_PARM_DESC(host_tagset_enable, "Shared host tagset enable/disable Default: enable(1)");
+MODULE_PARM_DESC(host_tagset_enable, "Shared host tagset enable/disable Default: disable(0)");
MODULE_LICENSE("GPL");
MODULE_VERSION(MEGASAS_VERSION);
--
2.25.1
