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[PATCH] block: xen: use time_after_eq() instead of jiffies judgment
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- From: Qing Wang <wangqing@xxxxxxxx>
- Date: Thu, 10 Feb 2022 00:29:23 -0800
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- Cc: Wang Qing <wangqing@xxxxxxxx>
- Delivery-date: Thu, 10 Feb 2022 08:32:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: Wang Qing <wangqing@xxxxxxxx>
It is better to use time_xxx() directly instead of jiffies judgment
for understanding.
Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
drivers/block/xen-blkback/blkback.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/block/xen-blkback/blkback.c
b/drivers/block/xen-blkback/blkback.c
index d1e2646..aecc1f4
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -42,6 +42,7 @@
#include <linux/delay.h>
#include <linux/freezer.h>
#include <linux/bitmap.h>
+#include <linux/jiffies.h>
#include <xen/events.h>
#include <xen/page.h>
@@ -134,8 +135,8 @@ module_param(log_stats, int, 0644);
static inline bool persistent_gnt_timeout(struct persistent_gnt
*persistent_gnt)
{
- return pgrant_timeout && (jiffies - persistent_gnt->last_used >=
- HZ * pgrant_timeout);
+ return pgrant_timeout &&
+ time_after_eq(jiffies, persistent_gnt->last_used + HZ *
pgrant_timeout);
}
#define vaddr(page) ((unsigned long)pfn_to_kaddr(page_to_pfn(page)))
--
2.7.4
|
