[Devel] [PATCH 15/15] Make /proc/self/mounts(tats) use seq_list_xxx helpers

[Pavel Emelianov]

One more simple and stupid switching to the new API.

Signed-off-by: Pavel Emelianov <xemul at openvz.org>

---

diff --git a/fs/namespace.c b/fs/namespace.c
index 11f2fbf..82d4fd2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -393,22 +393,16 @@ EXPORT_SYMBOL(mnt_unpin);
 static void *m_start(struct seq_file *m, loff_t *pos)
 {
 	struct mnt_namespace *n = m->private;
-	struct list_head *p;
-	loff_t l = *pos;
 
 	down_read(&namespace_sem);
-	list_for_each(p, &n->list)
-		if (!l--)
-			return list_entry(p, struct vfsmount, mnt_list);
-	return NULL;
+	return seq_list_start(&n->list, *pos);
 }
 
 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
 {
 	struct mnt_namespace *n = m->private;
-	struct list_head *p = ((struct vfsmount *)v)->mnt_list.next;
-	(*pos)++;
-	return p == &n->list ? NULL : list_entry(p, struct vfsmount, mnt_list);
+
+	return seq_list_next(v, &n->list, pos);
 }
 
 static void m_stop(struct seq_file *m, void *v)
@@ -423,7 +417,7 @@ static inline void mangle(struct seq_fil
 
 static int show_vfsmnt(struct seq_file *m, void *v)
 {
-	struct vfsmount *mnt = v;
+	struct vfsmount *mnt = list_entry(v, struct vfsmount, mnt_list);
 	int err = 0;
 	static struct proc_fs_info {
 		int flag;
@@ -481,7 +475,7 @@ struct seq_operations mounts_op = {
 
 static int show_vfsstat(struct seq_file *m, void *v)
 {
-	struct vfsmount *mnt = v;
+	struct vfsmount *mnt = list_entry(v, struct vfsmount, mnt_list);
 	int err = 0;
 
 	/* device */