ovl: show redirect_dir mount option

Show the value of redirect_dir in /proc/mounts.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 2750aef24d16..4bd1e9c7246f 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -204,6 +204,9 @@ static int ovl_show_options(struct seq_file *m, struct dentry *dentry)
         }
         if (ufs->config.default_permissions)
                 seq_puts(m, ",default_permissions");
+        if (ufs->config.redirect_dir != ovl_redirect_dir_def)
+                seq_printf(m, ",redirect_dir=%s",
+                           ufs->config.redirect_dir ? "on" : "off");
         return 0;
 }