[PATCH -v3 1/4] printk, Add pr_pfx for library functions

[Huang Ying]

For library functions doing printk, the log level and line prefix
usually need to be specified by the caller. So this patch adds
"pr_pfx" to make the life of these library functions easier.

Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
---
 include/linux/printk.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -202,6 +202,13 @@ extern void print_hex_dump_bytes(const c
 #endif
 
 /*
+ * Used by library functions, where log level and line prefix need to
+ * be specifieded by the caller.
+ */
+#define pr_pfx(pfx, fmt, ...) \
+	printk("%s" fmt, pfx, ##__VA_ARGS__)
+
+/*
  * ratelimited messages with local ratelimit_state,
  * no local ratelimit_state used in the !PRINTK case
  */
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/