linux-kernel - [PATCH] lustre: Use time

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Message-Id: <1400692596-13875-1-git-send-email-manuel.schoelling@gmx.de>
Date:	Wed, 21 May 2014 19:16:36 +0200
From:	Manuel Schölling <manuel.schoelling@....de>
To:	gregkh@...uxfoundation.org
Cc:	bergwolf@...il.com, andreas.dilger@...el.com,
	manuel.schoelling@....de, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] lustre: Use time_before()

To be future-proof and for better readability the time comparisons are modified
to use time_before() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoelling@....de>
---
 drivers/staging/lustre/lustre/include/linux/obd.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/linux/obd.h b/drivers/staging/lustre/lustre/include/linux/obd.h
index dc36f75e..518e48a 100644
--- a/drivers/staging/lustre/lustre/include/linux/obd.h
+++ b/drivers/staging/lustre/lustre/include/linux/obd.h
@@ -80,8 +80,8 @@ static inline void __client_obd_list_lock(client_obd_lock_t *lock,
 			break;
 		}
 
-		if ((jiffies - cur > 5 * HZ) &&
-		    (jiffies - lock->time > 5 * HZ)) {
+		if (time_before(cur + 5 * HZ, jiffies) &&
+		    time_before(lock->time + 5 * HZ, jiffies)) {
 			struct task_struct *task = lock->task;
 
 			if (task == NULL)
-- 
1.7.10.4

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