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[PATCH V3 1/13] block: xen: use time_is_before_eq_jiffies() instead of open coding it
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Michael Turquette <mturquette@xxxxxxxxxxxx>, Stephen Boyd <sboyd@xxxxxxxxxx>, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, David Airlie <airlied@xxxxxxxx>, Daniel Vetter <daniel@xxxxxxxx>, Alex Deucher <alexander.deucher@xxxxxxx>, Christian König <christian.koenig@xxxxxxx>, "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>, Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>, Jiri Kosina <jikos@xxxxxxxxxx>, Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>, Alasdair Kergon <agk@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, dm-devel@xxxxxxxxxx, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>, Hans Verkuil <hverkuil@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-clk@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-input@xxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx
- From: Qing Wang <wangqing@xxxxxxxx>
- Date: Mon, 14 Feb 2022 17:55:38 -0800
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- Cc: Wang Qing <wangqing@xxxxxxxx>
- Delivery-date: Tue, 15 Feb 2022 01:56:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: Wang Qing <wangqing@xxxxxxxx>
Use the helper function time_is_{before,after}_jiffies() to improve
code readability.
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_is_before_eq_jiffies(
+ persistent_gnt->last_used + HZ * pgrant_timeout);
}
#define vaddr(page) ((unsigned long)pfn_to_kaddr(page_to_pfn(page)))
--
2.7.4
|