linux-kernel - [PATCH] scsi: bfa: use time_is_before_jiffies() instead of open coding it

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Date:   Sun, 27 Feb 2022 19:14:35 -0800
From:   Qing Wang <wangqing@...o.com>
To:     Anil Gurumurthy <anil.gurumurthy@...gic.com>,
        Sudarsana Kalluru <sudarsana.kalluru@...gic.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] scsi: bfa: use time_is_before_jiffies() instead of open coding it

From: Wang Qing <wangqing@...o.com>

Use the helper function time_is_{before,after}_jiffies() to improve
code readability.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/scsi/bfa/bfad_im.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 759d2bb..41f49f5f
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/export.h>
+#include <linux/jiffies.h>
 
 #include "bfad_drv.h"
 #include "bfad_im.h"
@@ -870,9 +871,9 @@ bfad_ramp_up_qdepth(struct bfad_itnim_s *itnim, struct scsi_device *sdev)
 {
 	struct scsi_device *tmp_sdev;
 
-	if (((jiffies - itnim->last_ramp_up_time) >
+	if (time_is_before_jiffies(itnim->last_ramp_up_time +
 		BFA_QUEUE_FULL_RAMP_UP_TIME * HZ) &&
-		((jiffies - itnim->last_queue_full_time) >
+		time_is_before_jiffies(itnim->last_queue_full_time +
 		BFA_QUEUE_FULL_RAMP_UP_TIME * HZ)) {
 		shost_for_each_device(tmp_sdev, sdev->host) {
 			if (bfa_lun_queue_depth > tmp_sdev->queue_depth) {
-- 
2.7.4