({ int x = __builtin_choose_expr(assertion, 0, (void)0); (void) x; })
+#define yaffs_printf(msk, fmt, ...) \
+ printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__)
+
#define yaffs_trace(msk, fmt, ...) do { \
if (yaffs_trace_mask & (msk)) \
printk(KERN_DEBUG "yaffs: " fmt "\n", ##__VA_ARGS__); \