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>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 353f287184141b9e4e21d2f23cf7515b7320c023..4bb8d34819707946536fd74ce5e235c3f56e7d93 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -310,9 +310,10 @@ 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);
@@ -2604,7 +2605,7 @@ 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),
@@ -2942,7 +2943,7 @@ 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),