1 files changed, 25 insertions, 0 deletions

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 4fce6e61b34e..eb1ba493489f 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -119,6 +119,31 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
                     "Display Internal CIFS Data Structures for Debugging\n"
                     "---------------------------------------------------\n");
         seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
+        seq_printf(m, "Features: ");
+#ifdef CONFIG_CIFS_DFS_UPCALL
+        seq_printf(m, "dfs");
+        seq_putc(m, ' ');
+#endif
+#ifdef CONFIG_CIFS_FSCACHE
+        seq_printf(m, "fscache");
+        seq_putc(m, ' ');
+#endif
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+        seq_printf(m, "lanman");
+        seq_putc(m, ' ');
+#endif
+#ifdef CONFIG_CIFS_POSIX
+        seq_printf(m, "posix");
+        seq_putc(m, ' ');
+#endif
+#ifdef CONFIG_CIFS_UPCALL
+        seq_printf(m, "spnego");
+        seq_putc(m, ' ');
+#endif
+#ifdef CONFIG_CIFS_XATTR
+        seq_printf(m, "xattr");
+#endif
+        seq_putc(m, '\n');
         seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
         seq_printf(m, "Servers:");