Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Qing Wang <wangqing@vivo.com>
To:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= <roger.pau@citrix.com>,
        Jens Axboe <axboe@kernel.dk>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>,
        Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        Jiri Kosina <jikos@kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Alasdair Kergon <agk@redhat.com>,
        Mike Snitzer <snitzer@redhat.com>, dm-devel@redhat.com,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
        intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        amd-gfx@lists.freedesktop.org, linux-input@vger.kernel.org,
        linux-media@vger.kernel.org
Cc:     Wang Qing <wangqing@vivo.com>
Subject: [PATCH V3 1/13] block: xen: use time_is_before_eq_jiffies() instead of open coding it
Date:   Mon, 14 Feb 2022 17:55:38 -0800
Message-Id: <1644890154-64915-2-git-send-email-wangqing@vivo.com>
In-Reply-To: <1644890154-64915-1-git-send-email-wangqing@vivo.com>
References: <1644890154-64915-1-git-send-email-wangqing@vivo.com>
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Q3S7zj+RBCohZ7GKUMLGIIoYe0d8605t5V57WjF7+5w8/WSiyKZSLbPBIHus?=
 =?us-ascii?Q?aRVX1K74LqbDqCEJrGGcVmakino4+ECanyPXwF5eQrINE4uehvMyV+FJbG6I?=
 =?us-ascii?Q?yUdIkz9QOd1PrU2bUKf8KGiJF9pVB5s+IZxriRzyfkeDufC4StTtp8IQres6?=
 =?us-ascii?Q?savaBhbOKzdhK64Lbv6TP7g+r/SSThIDN11w3cOgx+O9v/RaPHOCUuQsrvjy?=
 =?us-ascii?Q?aiJgxJvi51Ex0BwIuVRfkVjPMfpg+HbsH30T0qzcgIjmZziBETOhr59mciqL?=
 =?us-ascii?Q?dtjugoPVj2luJSrbSN4uThUdLJtxVTpovm+6NHaU7PeDG2bbtnjUtqcl0Nna?=
 =?us-ascii?Q?PytWGUz4kZQ2gv3tddmoKACWnRqEXyYqznENhIyeDPASw6pRUXt/fyayZ//l?=
 =?us-ascii?Q?yRLC1b/5Py74FMgy8uZErYunte7FqsJmF+Lh7FAVbm8GnU4JtJ1hgyvkOnMr?=
 =?us-ascii?Q?hyU32Fk+hxocwrQ3aH/arLboiITlGeeYtWDKCvHeqFgXFyDKFCkRhd4jb6j2?=
 =?us-ascii?Q?4Oy+ZljnPAcEHMoTvRaw9HTOff77umac9Rq4XjnuzBta9lbMuCRbP+42WPR6?=
 =?us-ascii?Q?1ivCrJsDk/QYfVOOjDyEVFeJYpZJkdD9Lcrusc87UDcutoSxolL9HuaClr6I?=
 =?us-ascii?Q?1sMQIPhzHsyz2p5KjAbWUj+FDNLvmzXU9W8aamD0rKzGwG/T/tcxCSM2lXiK?=
 =?us-ascii?Q?bs/F+0AoTlkrqw7U2phqGfzet5eU4qiNWsglBOhFFCOjos5gGT1O8yW4ru3w?=
 =?us-ascii?Q?dpxhLx0bbp0dfDnKM+373j7xdU2tGbrJi9FMwp+B8EAFPmG6jW3KY23OR9+J?=
 =?us-ascii?Q?7t0YPkVhmPeeBbsFZGyOLPSJfF4Gk4WrGk4xdHWlmfEC/EIklvkNT4vXAto3?=
 =?us-ascii?Q?YFJw8LZgMEz4m7gNTmuyMp0lUySKog99xDUJ73dYKbSmJjKebtQpwQBatG3e?=
 =?us-ascii?Q?vIpMs63Y2qcVLmwBIVFTZP6BGlyl24YskItviO7/0eFd5G28cQRrK3SDHy27?=
 =?us-ascii?Q?TmNxBbiDr+pNQYimRo6mWH3HqnCqXWeYJCeRICNnCJ3WVEXFd/cxlNpjEqvb?=
 =?us-ascii?Q?K2IWhdjNb+hEYw/rvV7uXQAbBGUuR0aUnz9Rz621K4dWtqHRWENKKaL9U8fB?=
 =?us-ascii?Q?esX9T+oJVWZXA26j1ZhMt8JHt8XMhuriGIfWpX2WLM/vYAaqX8n3BXWQ+Z6m?=
 =?us-ascii?Q?hCnpG0JWpSWvo9byfGlut8MSJMORQ3aICn8OxC7+5Db8JmgLfz1T2WqQsUHh?=
 =?us-ascii?Q?KwstSFOeKrm+pWD4GSTHz8JOcy+l1dIbSEb0PcAylN+Uwsv7spBOhhFTMM+3?=
 =?us-ascii?Q?JNSKlIIRhMpt9npGDIFB2VZh5tELPLIsVW8mC5Aigy4R9LOm/sjlKbzccvEz?=
 =?us-ascii?Q?yVfK8Vcg6a/wF8pv2Dy93pz5yQvBM91dcCmmqbRzYshkR4pMtPRZ0z5ZFi1f?=
 =?us-ascii?Q?KGkSO1H6HIRLjTUv+CTF5E2BG25NI8JYMmt9CniFVJfpfHRZDz2ldFjaVYU/?=
 =?us-ascii?Q?cYAeYnA6UwsRVF/R9ZxLrFRsOEzWRKh2o/qd2SZrQbCYsZ3brOeWJmDW8F/2?=
 =?us-ascii?Q?eq6o2YgMFyXc6+4HJIP7xe7nUNXbWuQdJncP0C+TOyIXp8XUf9n+ME84NM8v?=
 =?us-ascii?Q?dHH30FU76winpYAxatJhhH8=3D?=
X-OriginatorOrg: vivo.com
X-MS-Exchange-CrossTenant-Network-Message-Id: bb48ae59-c9b7-4af7-8709-08d9f0265c03
X-MS-Exchange-CrossTenant-AuthSource: SL2PR06MB3082.apcprd06.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Feb 2022 01:56:19.5294
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: IM6S87sQg7cP78QKhQf2JR+tZXuodYcczaGXperdxW2+QNWMAMXRGKpMD+CVex5j8J/w7BJXOtbIkzGfqsHx8w==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PS1PR06MB2742
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,
        T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: Wang Qing <wangqing@vivo.com>

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

Signed-off-by: Wang Qing <wangqing@vivo.com>
---
 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