[36/39] proc: don't detour through seq->private to get the inode

Commit Message

Christoph Hellwig April 19, 2018, 12:41 p.m. UTC

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 fs/proc/array.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

Patch

diff --git a/fs/proc/array.c b/fs/proc/array.c
index ae2c807fd719..b34796b562ef 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -677,7 +677,7 @@  get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos)
 
 static int children_seq_show(struct seq_file *seq, void *v)
 {
-	struct inode *inode = seq->private;
+	struct inode *inode = file_inode(seq->file);
 	pid_t pid;
 
 	pid = pid_nr_ns(v, inode->i_sb->s_fs_info);
@@ -688,14 +688,14 @@  static int children_seq_show(struct seq_file *seq, void *v)
 
 static void *children_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	return get_children_pid(seq->private, NULL, *pos);
+	return get_children_pid(file_inode(seq->file), NULL, *pos);
 }
 
 static void *children_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct pid *pid;
 
-	pid = get_children_pid(seq->private, v, *pos + 1);
+	pid = get_children_pid(file_inode(seq->file), v, *pos + 1);
 	put_pid(v);
 
 	++*pos;
@@ -716,17 +716,7 @@  static const struct seq_operations children_seq_ops = {
 
 static int children_seq_open(struct inode *inode, struct file *file)
 {
-	struct seq_file *m;
-	int ret;
-
-	ret = seq_open(file, &children_seq_ops);
-	if (ret)
-		return ret;
-
-	m = file->private_data;
-	m->private = inode;
-
-	return ret;
+	return seq_open(file, &children_seq_ops);
 }
 
 const struct file_operations proc_tid_children_operations = {