Unionfs ODF: show the odf= option in show_mounts

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c
index 6b0fe56ea9d45dde99c476e0ca859c70234c4285..bbf7060996cb15b8038c0e0a1f06aeb352fe530b 100644 (file)
--- a/fs/unionfs/super.c
+++ b/fs/unionfs/super.c
@@ -974,6 +974,17 @@ static int unionfs_show_options(struct seq_file *m, struct vfsmount *mnt)
                goto out;
        }
 
+       /* show the odf= option */
+       path = d_path(UNIONFS_SB(sb)->odf.path.dentry,
+                     UNIONFS_SB(sb)->odf.path.mnt,
+                     tmp_page, PAGE_SIZE);
+       if (IS_ERR(path)) {
+               ret = PTR_ERR(path);
+               goto out;
+       }
+       seq_printf(m, ",odf=%s", path);
+
+       /* show dirs= option */
        bstart = sbstart(sb);
        bend = sbend(sb);