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>

1 files changed, 5 insertions, 4 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 353f28718414..4bb8d3481970 100644
--- 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),