linux-kernel - [PATCH] sched/debug: use DEFINE_SEQ

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Date:   Sat, 24 Sep 2022 18:40:31 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>,
        "Mel Gorman" <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH] sched/debug: use DEFINE_SEQ_ATTRIBUTE to simplify code

Use DEFINE_SEQ_ATTRIBUTE to simplify code.
No functional change.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 kernel/sched/debug.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 6331aa4a4a14..83bf19a81bf0 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -246,17 +246,7 @@ __read_mostly bool sched_debug_verbose;
 
 static const struct seq_operations sched_debug_sops;
 
-static int sched_debug_open(struct inode *inode, struct file *filp)
-{
-	return seq_open(filp, &sched_debug_sops);
-}
-
-static const struct file_operations sched_debug_fops = {
-	.open		= sched_debug_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(sched_debug);
 
 static struct dentry *debugfs_sched;
 
-- 
2.25.1