--- linux-source-2.6.21.orig/include/linux/smb_mount.h	2007-04-26 10:08:32.000000000 +0700
+++ linux-source-2.6.21/include/linux/smb_mount.h	2007-11-03 23:36:24.000000000 +0600
@@ -42,6 +42,7 @@
 #define SMB_MOUNT_GID		0x0040  /* Use user specified gid */
 #define SMB_MOUNT_FMODE		0x0080  /* Use user specified file mode */
 #define SMB_MOUNT_DMODE		0x0100  /* Use user specified dir mode */
+#define SMB_MOUNT_NOAUTO	0x0200	/* Don't mount automatically */
 
 struct smb_mount_data_kernel {
 	int version;
--- linux-source-2.6.21.orig/fs/smbfs/inode.c	2007-04-26 10:08:32.000000000 +0700
+++ linux-source-2.6.21/fs/smbfs/inode.c	2007-11-03 23:37:01.000000000 +0600
@@ -349,6 +349,7 @@
 	{ "iocharset",	0, 'i' },
 	{ "codepage",	0, 'c' },
 	{ "ttl",	0, 't' },
+	{ "noauto",	SMB_MOUNT_NOAUTO, 1 },
 	{ NULL,		0, 0}
 };