1 files changed, 4 insertions, 0 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index be5e56bfb73e..c5b88100d914 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -377,6 +377,10 @@ static int show_vfsmnt(struct seq_file *m, void *v)
         seq_path(m, mnt, mnt->mnt_root, " \t\n\\");
         seq_putc(m, ' ');
         mangle(m, mnt->mnt_sb->s_type->name);
+        if (mnt->mnt_sb->s_subtype && mnt->mnt_sb->s_subtype[0]) {
+                seq_putc(m, '.');
+                mangle(m, mnt->mnt_sb->s_subtype);
+        }
         seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? " ro" : " rw");
         for (fs_infop = fs_info; fs_infop->flag; fs_infop++) {
                 if (mnt->mnt_sb->s_flags & fs_infop->flag)