void __disk_ret(struct bregs *regs, u32 linecode, const char *fname);
#define disk_ret(regs, code) \
__disk_ret((regs), (code) | (__LINE__ << 8), __func__)
+void __disk_ret_unimplemented(struct bregs *regs, u32 linecode
+ , const char *fname);
+#define disk_ret_unimplemented(regs, code) \
+ __disk_ret_unimplemented((regs), (code) | (__LINE__ << 8), __func__)
/****************************************************************