From 183c3237c928109d2008c0456dff508baf692b20 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Fri, 29 Apr 2022 14:38:02 -0700
Subject: [PATCH] fat: add ratelimit to fat*_ent_bread()
Git-commit: 183c3237c928109d2008c0456dff508baf692b20
Patch-mainline: v5.19-rc1
References: git-fixes
fat*_ent_bread() can be the cause of too many report on I/O error path.
So use fat_msg_ratelimit() instead.
Link: https://lkml.kernel.org/r/87bkxogfeq.fsf@mail.parknet.co.jp
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: qianfan <qianfanguijin@163.com>
Tested-by: qianfan <qianfanguijin@163.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Anthony Iliopoulos <ailiop@suse.com>
---
fs/fat/fatent.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 978ac6751aeb..1db348f8f887 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -94,7 +94,8 @@ static int fat12_ent_bread(struct super_block *sb, struct fat_entry *fatent,
err_brelse:
brelse(bhs[0]);
err:
- fat_msg(sb, KERN_ERR, "FAT read failed (blocknr %llu)", (llu)blocknr);
+ fat_msg_ratelimit(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
+ (llu)blocknr);
return -EIO;
}
@@ -107,8 +108,8 @@ static int fat_ent_bread(struct super_block *sb, struct fat_entry *fatent,
fatent->fat_inode = MSDOS_SB(sb)->fat_inode;
fatent->bhs[0] = sb_bread(sb, blocknr);
if (!fatent->bhs[0]) {
- fat_msg(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
- (llu)blocknr);
+ fat_msg_ratelimit(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
+ (llu)blocknr);
return -EIO;
}
fatent->nr_bhs = 1;
--
2.43.0