Now that we have is_tgid_pid_entry() we do not need 2 different helpers
for ONE("stat"), we can kill proc_tgid_stat() and proc_tid_stat() and
turn do_task_stat() into proc_pid_stat().
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
fs/proc/array.c | 17 +++--------------
fs/proc/base.c | 4 ++--
fs/proc/internal.h | 4 +---
3 files changed, 6 insertions(+), 19 deletions(-)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 64db2bc..d096bd6 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -377,9 +377,10 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
return 0;
}
-static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task, int whole)
+int proc_pid_stat(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
+ bool whole = is_tgid_pid_entry(PROC_I(m->private)->pid_entry);
unsigned long vsize, eip, esp, wchan = ~0UL;
int priority, nice;
int tty_pgrp = -1, tty_nr = 0;
@@ -550,18 +551,6 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
return 0;
}
-int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task)
-{
- return do_task_stat(m, ns, pid, task, 0);
-}
-
-int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns,
- struct pid *pid, struct task_struct *task)
-{
- return do_task_stat(m, ns, pid, task, 1);
-}
-
int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
diff --git a/fs/proc/base.c b/fs/proc/base.c
index ea11bf1..9d47fe0 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2581,7 +2581,7 @@ static const struct pid_entry tgid_base_stuff[] = {
INF("syscall", S_IRUSR, proc_pid_syscall),
#endif
INF("cmdline", S_IRUGO, proc_pid_cmdline),
- ONE("stat", S_IRUGO, proc_tgid_stat),
+ ONE("stat", S_IRUGO, proc_pid_stat),
ONE("statm", S_IRUGO, proc_pid_statm),
REG("maps", S_IRUGO, proc_pid_maps_operations),
#ifdef CONFIG_NUMA
@@ -2917,7 +2917,7 @@ static const struct pid_entry tid_base_stuff[] = {
INF("syscall", S_IRUSR, proc_pid_syscall),
#endif
INF("cmdline", S_IRUGO, proc_pid_cmdline),
- ONE("stat", S_IRUGO, proc_tid_stat),
+ ONE("stat", S_IRUGO, proc_pid_stat),
ONE("statm", S_IRUGO, proc_pid_statm),
REG("maps", S_IRUGO, proc_tid_maps_operations),
#ifdef CONFIG_CHECKPOINT_RESTORE
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 2e310b6..c7bb0e3 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -151,10 +151,8 @@ extern const struct file_operations proc_tid_children_operations;
extern bool is_tgid_pid_entry(const struct pid_entry *p);
-extern int proc_tid_stat(struct seq_file *, struct pid_namespace *,
+extern int proc_pid_stat(struct seq_file *, struct pid_namespace *,
struct pid *, struct task_struct *);
-extern int proc_tgid_stat(struct seq_file *, struct pid_namespace *,
- struct pid *, struct task_struct *);
extern int proc_pid_status(struct seq_file *, struct pid_namespace *,
struct pid *, struct task_struct *);
extern int proc_pid_statm(struct seq_file *, struct pid_namespace *,
--
1.5.5.1
--
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