linux-kernel - [PATCH 06/10] proc: convert /proc/$PID/schedstat to seq

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Message-ID: <20140716213434.GE21290@p183.telecom.by>
Date:	Thu, 17 Jul 2014 00:34:34 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 06/10] proc: convert /proc/$PID/schedstat to seq_file
 interface

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/proc/base.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -311,9 +311,10 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
 /*
  * Provides /proc/PID/schedstat
  */
-static int proc_pid_schedstat(struct task_struct *task, char *buffer)
+static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns,
+			      struct pid *pid, struct task_struct *task)
 {
-	return sprintf(buffer, "%llu %llu %lu\n",
+	return seq_printf(m, "%llu %llu %lu\n",
 			(unsigned long long)task->se.sum_exec_runtime,
 			(unsigned long long)task->sched_info.run_delay,
 			task->sched_info.pcount);
@@ -2605,7 +2606,7 @@ static const struct pid_entry tgid_base_stuff[] = {
 	ONE("stack",      S_IRUSR, proc_pid_stack),
 #endif
 #ifdef CONFIG_SCHEDSTATS
-	INF("schedstat",  S_IRUGO, proc_pid_schedstat),
+	ONE("schedstat",  S_IRUGO, proc_pid_schedstat),
 #endif
 #ifdef CONFIG_LATENCYTOP
 	REG("latency",  S_IRUGO, proc_lstats_operations),
@@ -2943,7 +2944,7 @@ static const struct pid_entry tid_base_stuff[] = {
 	ONE("stack",      S_IRUSR, proc_pid_stack),
 #endif
 #ifdef CONFIG_SCHEDSTATS
-	INF("schedstat", S_IRUGO, proc_pid_schedstat),
+	ONE("schedstat", S_IRUGO, proc_pid_schedstat),
 #endif
 #ifdef CONFIG_LATENCYTOP
 	REG("latency",  S_IRUGO, proc_lstats_operations),
--
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