[v5 10/12] Add durable_name_printk_ratelimited
From: Tony Asleson <hidden>
Date: 2020-09-25 16:19:56
Also in:
linux-ide, linux-scsi
Subsystem:
the rest · Maintainer:
Linus Torvalds
Create a rate limited macro for durable_name_printk so that we can use this for printk_ratelimited usage in the block layers and add the durable name key/value to the log message. Signed-off-by: Tony Asleson <redacted> --- include/linux/dev_printk.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h
index 4d57b940b692..9fd675b9ac7c 100644
--- a/include/linux/dev_printk.h
+++ b/include/linux/dev_printk.h@@ -37,6 +37,15 @@ __printf(3, 4) __cold void durable_name_printk(const char *level, const struct device *dev, const char *fmt, ...); +#define durable_name_printk_ratelimited(level, dev, fmt, ...) \ +do { \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + if (__ratelimit(&_rs)) \ + durable_name_printk(level, dev, fmt, ##__VA_ARGS__); \ +} while (0) + __printf(2, 3) __cold void _dev_emerg(const struct device *dev, const char *fmt, ...); __printf(2, 3) __cold
--
2.26.2