linux-kernel - [PATCH] f2fs: ratelimit recovery messages

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Date:   Mon, 27 May 2019 16:07:55 +0530
From:   Sahitya Tummala <stummala@...eaurora.org>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <yuchao0@...wei.com>,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Sahitya Tummala <stummala@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] f2fs: ratelimit recovery messages

Ratelimit the recovery logs, which are expected in case
of sudden power down and which could result into too
many prints.

Signed-off-by: Sahitya Tummala <stummala@...eaurora.org>
---
 fs/f2fs/recovery.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index e04f82b..38b3b24a 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -188,8 +188,7 @@ static int recover_dentry(struct inode *inode, struct page *ipage,
 		name = "<encrypted>";
 	else
 		name = raw_inode->i_name;
-	f2fs_msg(inode->i_sb, KERN_NOTICE,
-			"%s: ino = %x, name = %s, dir = %lx, err = %d",
+	printk_ratelimited(KERN_NOTICE "%s: ino = %x, name = %s, dir = %lx, err = %d",
 			__func__, ino_of_node(ipage), name,
 			IS_ERR(dir) ? 0 : dir->i_ino, err);
 	return err;
@@ -292,8 +291,7 @@ static int recover_inode(struct inode *inode, struct page *page)
 	else
 		name = F2FS_INODE(page)->i_name;
 
-	f2fs_msg(inode->i_sb, KERN_NOTICE,
-		"recover_inode: ino = %x, name = %s, inline = %x",
+	printk_ratelimited(KERN_NOTICE "recover_inode: ino = %x, name = %s, inline = %x",
 			ino_of_node(page), name, raw->i_inline);
 	return 0;
 }
@@ -642,10 +640,8 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 err:
 	f2fs_put_dnode(&dn);
 out:
-	f2fs_msg(sbi->sb, KERN_NOTICE,
-		"recover_data: ino = %lx (i_size: %s) recovered = %d, err = %d",
-		inode->i_ino,
-		file_keep_isize(inode) ? "keep" : "recover",
+	printk_ratelimited(KERN_NOTICE "recover_data: ino = %lx (i_size: %s) recovered = %d, err = %d",
+		inode->i_ino, file_keep_isize(inode) ? "keep" : "recover",
 		recovered, err);
 	return err;
 }
-- 
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Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.