vfs: new helper - vfs_ustat()

... and bury user_get_super()/statfs_by_dentry() - they are
purely internal now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 8 deletions

diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c
index 6ab9580b0b00..d9dc6cd3b7d2 100644
--- a/arch/parisc/hpux/sys_hpux.c
+++ b/arch/parisc/hpux/sys_hpux.c
@@ -136,16 +136,9 @@ struct hpux_ustat {
  */
 static int hpux_ustat(dev_t dev, struct hpux_ustat __user *ubuf)
 {
-        struct super_block *s;
         struct hpux_ustat tmp;  /* Changed to hpux_ustat */
         struct kstatfs sbuf;
-        int err = -EINVAL;
-
-        s = user_get_super(dev);
-        if (s == NULL)
-                goto out;
-        err = statfs_by_dentry(s->s_root, &sbuf);
-        drop_super(s);
+        int err = vfs_ustat(dev, &sbuf);
         if (err)
                 goto out;