commit f6e826ca37a56e103cf45e0658ef293bb6b54c7c
author Alexey Dobriyan <adobriyan@gmail.com> Fri Aug 08 14:21:46 2014 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Fri Aug 08 15:57:23 2014 -0700
tree 0f9d3a6c67048ad8d6d47742e6381a453a0946de
parent edfcd6064fa7d368ea9b67f1fa0b1ea4c14a31c1

proc: convert /proc/$PID/schedstat to seq_file interface

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/proc/base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 353f287..4bb8d34 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -310,9 +310,10 @@
 /*
  * 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);
@@ -2604,7 +2605,7 @@
 	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),
@@ -2942,7 +2943,7 @@
 	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),