These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / fs / ocfs2 / cluster / masklog.h
index 7fdc25a..308ea0e 100644 (file)
@@ -162,38 +162,20 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
 
 #endif
 
-/*
- * smp_processor_id() "helpfully" screams when called outside preemptible
- * regions in current kernels.  sles doesn't have the variants that don't
- * scream.  just do this instead of trying to guess which we're building
- * against.. *sigh*.
- */
-#define __mlog_cpu_guess ({            \
-       unsigned long _cpu = get_cpu(); \
-       put_cpu();                      \
-       _cpu;                           \
-})
+__printf(4, 5)
+void __mlog_printk(const u64 *m, const char *func, int line,
+                  const char *fmt, ...);
 
-/* In the following two macros, the whitespace after the ',' just
- * before ##args is intentional. Otherwise, gcc 2.95 will eat the
- * previous token if args expands to nothing.
+/*
+ * Testing before the __mlog_printk call lets the compiler eliminate the
+ * call completely when (m & ML_ALLOWED_BITS) is 0.
  */
-#define __mlog_printk(level, fmt, args...)                             \
-       printk(level "(%s,%u,%lu):%s:%d " fmt, current->comm,           \
-              task_pid_nr(current), __mlog_cpu_guess,                  \
-              __PRETTY_FUNCTION__, __LINE__ , ##args)
-
-#define mlog(mask, fmt, args...) do {                                  \
-       u64 __m = MLOG_MASK_PREFIX | (mask);                            \
-       if ((__m & ML_ALLOWED_BITS) &&                                  \
-           __mlog_test_u64(__m, mlog_and_bits) &&                      \
-           !__mlog_test_u64(__m, mlog_not_bits)) {                     \
-               if (__m & ML_ERROR)                                     \
-                       __mlog_printk(KERN_ERR, "ERROR: "fmt , ##args); \
-               else if (__m & ML_NOTICE)                               \
-                       __mlog_printk(KERN_NOTICE, fmt , ##args);       \
-               else __mlog_printk(KERN_INFO, fmt , ##args);            \
-       }                                                               \
+#define mlog(mask, fmt, ...)                                           \
+do {                                                                   \
+       u64 _m = MLOG_MASK_PREFIX | (mask);                             \
+       if (_m & ML_ALLOWED_BITS)                                       \
+               __mlog_printk(&_m, __func__, __LINE__, fmt,             \
+                             ##__VA_ARGS__);                           \
 } while (0)
 
 #define mlog_errno(st) ({                                              \