[PATCH 1/2] fat: add fat_msg_ratelimit.

[Namjae Jeon]

I tried to add fat_msg_ratelimit to limit many message at once.

Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx>
Signed-off-by: Amit Sahrawat <amit.sahrawat83@xxxxxxxxx>
Acked-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
---
 fs/fat/fat.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 951d12b..1708d9a 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -335,6 +335,11 @@ void __fat_fs_error(struct super_block *sb, int report, const char *fmt, ...);
 	__fat_fs_error(sb, __ratelimit(&MSDOS_SB(sb)->ratelimit), fmt , ## args)
 __printf(3, 4) __cold
 void fat_msg(struct super_block *sb, const char *level, const char *fmt, ...);
+#define fat_msg_ratelimit(sb, level, fmt, args...)	\
+	do {	\
+			if (__ratelimit(&MSDOS_SB(sb)->ratelimit))	\
+				fat_msg(sb, level, fmt, ## args);	\
+	 } while (0)
 extern int fat_clusters_flush(struct super_block *sb);
 extern int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster);
 extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
-- 
1.7.5.4

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