From: Xin Hao <xhao@linux.alibaba.com>
Date: Tue, 22 Mar 2022 10:35:12 +0800
Subject: nvme-pci: expose use_threaded_interrupts read-only in sysfs
Patch-mainline: v5.18-rc1
Git-commit: 2e21e4454bd3435ef6e3b84492dcbfaaf9d8769c
References: jsc#PED-1183

Allow reading /sys/module/nvme/parameters/use_threaded_interrupts to see
if the use_threaded_interrupts module parameter is in use.

Signed-off-by: Xin Hao <xhao@linux.alibaba.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/nvme/host/pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -45,7 +45,7 @@
 #define NVME_MAX_SEGS	127
 
 static int use_threaded_interrupts;
-module_param(use_threaded_interrupts, int, 0);
+module_param(use_threaded_interrupts, int, 0444);
 
 static bool use_cmb_sqes = true;
 module_param(use_cmb_sqes, bool, 0444);