Make /proc/self/mounts(tats) use seq_list_xxx helpers

One more simple and stupid switching to the new API.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 11 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index b696e3a0d18f..c811a94e4c88 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -320,22 +320,16 @@ 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)
@@ -350,7 +344,7 @@ static inline void mangle(struct seq_file *m, const char *s)
 
 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;
@@ -405,7 +399,7 @@ 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 */