[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH V2 1/13] block: xen: use time_is_before_eq_jiffies() instead of jiffies judgment
- 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: Thu, 10 Feb 2022 18:30:24 -0800
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IYuRSWgY6HaeljgNbxaZaf003O9SNKziTfmoexXwmbA=; b=Ff/TaPCh2f00LsjtWP+09mBSTE0lytvDFZ3xbkS4jw+/a5T3odWlRplg3MUYR5thE/TuBAOi29OWXNPdvEFfhhAxm5GjVBYCw+E00LFfpNrHK+QpZ56c2liJJ349UpZNQZ1saGtI7uB8GpZ/koSlMrOh4FXOglVIRfkxMXXaxiWIzF0bBtXGkv4CY6e/J+4T7GbpJGQHMblgAnW9aItBuwk5QMqEvmc/EDATSyaCNXO2E9e0rjDqba+fZJpeuWv0IcxHKnzWBywITvYK0Cfcn0GvZwZgml9a2e9M9ahEC9PAvNMPdp+Zncb+AI9kWnA0wLdmPUOpl6zNQVipOEM6ww==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=npH1iPy/cK2EfovjDDJ0g29/nvaBE85BtC0SCeJi8J5FXnq1JoPf3PNTYZLFlsfZyI4fw9w9+8IaUCg0QaGXRvDKRzfylathGXdfBJv8apiCyrU7Cru9sXOqq11hXbhNJXaUSBchllWj2ZX4WAXkVXC1DPtdGjIxKIuqTGL1ApaoG/4orO4TAgzlxYmMMsHgjKxOGlDKeFAhg30ESkSkM6xZYv7NwZUZqn7sFhVvhltmGwjOY99V+yIJaASXFJ8zzdpNgq8XBFHmWCl8at/EpTFdJAlA/6XuGhyCUL2Xe7+1f3VghJ0uxxoD9qw1hzwrl1K095OLWU3tUshRY6m9mw==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com;
- Cc: Wang Qing <wangqing@xxxxxxxx>
- Delivery-date: Fri, 11 Feb 2022 02:31:29 +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_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
|
